Acer Lab (8051 Family) M6759 8051 based Microcontroller with Dual DPTR, UART 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels 64 KB Flash ROM,256 Bytes IDATA RAM + 256 Bytes on-chip XRAM
Analog Devices (8051 Family) ADuC812 8051 based contoller with 8channel true 12 ADC, Dual 12-bit Volatage DAC's, On-chip DMA controller, RAM banking up to 16M Bytes external address space 32 I/O lines, 3 Timers/Counters, 9 Interrupts sources/2 priority levels 8 K Flash EEPROM Program Memory,640 Bytes Data Flash EEPROM, 256 Bytes On-chip RAM
ADuC824 8051 based contoller with 24-bit and 16-bit ADC, 12-bit DAC, RAM banking up to 16M Bytes external address space 32 I/O lines, 3 Timers/Counters, 10 Interrupts sources/2 priority levels, On-chip Temperature Sensor, Dual exitation current sources, 8 K Flash EEPROM Program Memory, 640 Bytes Data Flash EEPROM, 256 Bytes On-chip RAM
Atmel (8051 Family) 87F51 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources 4 K QuickFlash Memory, 128 Bytes On-chip RAM
87F51RC 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 8 Interrupts sources,Watchdog Timer, 2 DPTRs Power-Off Flag32 K QuickFlash Memory, 512 Bytes On-chip RAM
87F52 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 8 Interrupts sources 8 K QuickFlash Memory, 256 Bytes On-chip RAM
89C1051 8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 1 Timers/Counters, 3 Interrupts sources 1 K Flash Memory, 64 Bytes On-chip RAM
89C1051U 8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 2 Timers/Counters, 6 Interrupts sources UART, Direct LED Drive Outputs, On-Chip Analog Comparator 1 K Flash Memory, 64 Bytes On-chip RAM
89C2051 8051 based Full Static CMOS contoller with Two-Level Program Memory Lock 15 I/O lines, 2 Timers/Counters, 6 Interrupts sources UART, Direct LED Drive Outputs, On-Chip Analog Comparator 2 K Flash Memory, 128 Bytes On-chip RAM
89C4051 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 15 I/O lines, 2 Timers/Counters, 6 Interrupts sources,UART Direct LED Drive Outputs, On-Chip Analog Converter, Brown-Out Detection 4 K Flash Memory, 128 Bytes On-chip RAM
89C51 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 128 Bytes On-chip RAM
89C52 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 8 Interrupts sources 8 K Flash Memory, 256 Bytes On-chip RAM
89C55 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 8 Interrupts sources 20 K Flash Memory, 256 Bytes On-chip RAM
89F51 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources 4 K QuickFlash Memory, 128 Bytes On-chip RAM
89F52 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 8 Interrupts sources 8 K QuickFlash Memory, 256 Bytes On-chip RAM
89LS53 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters, 9 Interrupts sources,SPI Serial Interface Programmable Watchdog Timer, 2 DPTR 12 K Flash Memory, 256 Bytes On-chip RAM
89LS8252 8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, 3-Level Program Memory Lock, 32 I/O lines, 2 Timers/Counters, 9 Interrupts sources, SPI Serial Interface Programmable Watchdog Timer, Power Off Flag 8 K Flash Memory, 2 K EEPROM, 256 Bytes On-chip RAM
89LV51 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 128 Bytes On-chip RAM
89LV52 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources 4 K Flash Memory, 256 Bytes On-chip RAM
89LV55 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 32 I/O lines, 2 Timers/Counters, 6 Interrupts sources
4 K Flash Memory, 256 Bytes On-chip RAM
89S4D12 8051 based Full Static CMOS contoller with Three-Level Program Memory Lock 5 I/O lines, 3 Timers/Counters, 8 Interrupts sources,SPI Interface, 2 DPTRs Serial Program Downloading 132 K Flash Memory, 256 Bytes On-chip RAM
89S53 8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, Three-Level Program Memory Lock 32 I/O lines, 3 Timers/Counters,9 Interrupts sources 12 K Flash Memory, 256 Bytes On-chip RAM
89S8252 8051 based Full Static CMOS contoller with SPI, WDT, 2 DPTRs, 3-Level Program Memory Lock, 32 I/O lines, 2 Timers/Counters,9 Interrupts sources 8 K Flash Memory, 2 K EEPROM, 256 Bytes On-chip RAM
Cygnal Integrated Products (8051 Family) C8051F000 20 MIPS mixed-signal, 32K in-system programmable FLASH 8051 with SPI, SMBus, I2C, and SIO; 12-bit, 8-channel A/D; 12-bit,2-channel D/A; 4 timers and PCA
C8051F010 20 MIPS mixed-signal, 32K in-system programmable FLASH 8051 with SPI, SMBus, I2C, and SIO; 10-bit, 8-channel A/D; 12-bit,2-channel D/A; 4 timers and PCA
Cypress Semiconductor (8051 Family) EZ-USB (AN21XX) 8051 bases USB Controller, two UART's, Dual DPTR, 3.3V operation, 24 I/O lines, 3 Timers/Counters, 13 Interrupts / 4 priority levels, ROM-less, 256 Bytes on-chip RAM, 4/8KB RAM
EZ-USB FX (CY7C646XX) 8051 bases high-speed USB Controller, two UART's, Dual DPTR,3.3V operation, 46 I/O lines, 3 Timers/Counters, 13 Interrupts / 4 priority levels, ROM- less, 256 Bytes on-chip RAM, 4/8KB RAM, General Programmable Interface, master or slave operation
EZ-USB FX2 (CY7C68XXX) 8051 bases USB 2.0 controller, two UART's, Dual DPTR, 40 I/O lines, 3 Timers/Counters, 41 Interrupts / 6 priority levels, 256 Bytes on-chip RAM, 8KB on-chip program RAM, 4KB on-chip USB Endpoint RAM, with master/slave, or programmable (GPIF) control
Dallas Semiconductor (8051 Family) DS5000(FP) 8051 Soft Microcontroller Module 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes On-chip RAM, WDT, UART 8/32k Byte XRAM, battery backup for XRAM Serial Loader
DS5000(T) 8051 Soft Microcontroller Module 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes On-chip RAM, RTC 8/32k Byte XRAM Serial Loader
DS5001(FP) 8051 Soft Microcontroller Module 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes On-chip RAM, WDT, UART, CRC-16 128k Byte XRAM, battery backup for XRAM Bootstrap Loader
DS5002(FP) 8051 Soft Microcontroller Module 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes On-chip RAM, WDT, UART, CRC-16 128k Byte XRAM, battery backup for XRAM Bootstrap Loader SDI (Self Destruct Input), Encryption using on-chip 64-bit key
DS80C310 8051 based High-Speed Micro with 2 DPTRs, 32 I/O lines, 3 Timers/Counters, 10 Interrupts/3 priority levels ROM-less, 256 Bytes On-chip RAM
DS80C320 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports 32 I/O lines, 3 Timers/Counters, 13 Interrupts/3 priority levels ROM-less, 256 Bytes On-chip RAM
DS80C323 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports 32 I/O lines, 3 Timers/Counters, 13 Interrupts/3 priority levels ROM-less, 256 Bytes On-chip RAM
DS80C390 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports, dual CAN 32 I/O lines + address/data bus, 3 Timers/Counters, 16 Interrupts/3 priority levels ROM-less, 256 Bytes On-chip RAM + 4KB on-chip SRAM 16/ 32-bit math coprocessor Addresses up to 4MB external memory, optional 10-Bit Stack Pointer
DS87C520/DS83C520 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports 32 I/O lines, 3 Timers/Counters, 13 Interrupts/3 priority levels 16 K ROM, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
DS87C530 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports, RTC, Battery Backup 32 I/O lines, 3 Timers/Counters, 14 Interrupts/3 priority levels 16 K ROM, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
DS87C550 8051 based High-Speed Micro with 2 DPTRs, WDT, two Serial Ports, RTC, Battery Backup 55 I/O lines, 3 Timers/Counters, 14 Interrupts/3 priority levels 8K EPROM (OTP), 256 Bytes On-chip RAM + 1024 Bytes addition XRAM A/D: 8 channels, 10-bit resolution PWM: 4 channel,8-bit (channels cascadable to 16-bit PWM) 4 Capture + 3 Compare Registers
Hyundai (8051 Family) GMS90C32 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM
GMS90C51 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 2 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 128 Bytes on-chip RAM, 
4kByte OTP
GMS90C52 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 
8kByte OTP
GMS90C54 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 16kByte OTP
GMS90C56 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 24kByte OTP
GMS90C58 8051 based CMOS contoller with 40 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 32kByte OTP
GMS90L32 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM
GMS90L51 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 2 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 128 Bytes on-chip RAM, 
4kByte OTP
GMS90L52 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 
8kByte OTP
GMS90L54 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 16kByte OTP
GMS90L56 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 24kByte OTP
GMS90L58 8051 based CMOS contoller with 16 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin 256 Bytes on-chip RAM, 32kByte OTP
GMS97C1051 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 1 Timers/ Counters, On-Chip Analog Comperator, 2 Level Program Memory Lock, Direct LED Driver Output 64 Bytes on-chip RAM, 1kByte EPROM
GMS97C2051 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 1 Timers/ Counters, On-Chip Analog Comperator, 2 Level Program Memory Lock, Direct LED Driver Output 128 Bytes on-chip RAM, 2kByte EPROM
GMS97C51 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 2 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level ProgramMemory Lock, Quick Pulse Programming Algorithm 128 Bytes on-chip RAM, 4kByte EPROM
GMS97C51H 8051 based CMOS contoller with 33 MHz High-Speed Architecture, 2 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 128 Bytes on-chip RAM, 4kByte EPROM
GMS97C52 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 8kByte EPROM
GMS97C52H 8051 based CMOS contoller with 33 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 8kByte EPROM
GMS97C54 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 16kByte EPROM
GMS97C54H 8051 based CMOS contoller with 33 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 16kByte EPROM
GMS97C56 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 24kByte EPROM
GMS97C56H 8051 based CMOS contoller with 33 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 24kByte EPROM
GMS97C58 8051 based CMOS contoller with 24 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 32kByte EPROM
GMS97C58H 8051 based CMOS contoller with 33 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 32kByte EPROM
GMS97L1051 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 1 Timers/ Counters, On-Chip Analog Comperator, 2 Level Program Memory Lock, Direct LED Driver Output 64 Bytes on-chip RAM, 1kByte EPROM
GMS97L2051 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 1 Timers/ Counters, On-Chip Analog Comperator, 2 Level Program Memory Lock, Direct LED Driver Output 128 Bytes on-chip RAM, 2kByte EPROM
GMS97L51 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 2 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 128 Bytes on-chip RAM, 4kByte EPROM
GMS97L52 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 8kByte EPROM
GMS97L54 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 16kByte EPROM
GMS97L56 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 24kByte EPROM
GMS97L58 8051 based CMOS contoller with 12 MHz High-Speed Architecture, 3 Timers/ Counters, 6 Interrupts, Programmable ALE Pin, 2 Level Program Memory Lock, Quick Pulse Programming Algorithm 256 Bytes on-chip RAM, 32kByte EPROM
Infineon (8051 Family) C501 C500 series - 8051 based CMOS contoller with 32 I/O lines, 3 Timers/ Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
C501G-1R / -E C500 series - 8051 based CMOS contoller with 32 I/O lines, 3 Timers/ Counters, 6 Interrupts/2 priority levels 8 K ROM (C501G-E: OTP) , 256 Bytes on-chip RAM
C501G-L C500 series - 8051 based CMOS contoller with 32 I/O lines, 3 Timers/ Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
C504-2R /-2E C500 Series based CMOS contoller with 8 ADC/10 bit resolution, 6ch PWM, WDT, 32 I/O lines, 4 Timers/Counters, 12 Interrupts/2 priority levels 16 K ROM, 512 Bytes on-chip RAM
C504-L C500 Series based CMOS contoller with 8 ADC/10 bit resolution, 6ch PWM, WDT, 32 I/O lines, 4 Timers/Counters, 12 Interrupts/2 priority levels ROM-less, 512 Bytes on-chip RAM
C505-2R C500 series - 8051 based CMOS contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 32 K ROM, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C505-L C500 series - 8051 based CMOS contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C505A-4E C500 series - 8051 based CMOS contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC/10bit resolution 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 32 K ROM OTP, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
C505C-2R C500 series - 8051 based CMOS CAN contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4  priority levels 32 K ROM, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C505C-L C500 series - 8051 based CMOS CAN contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C505CA-4E C500 series - 8051 based CMOS CAN contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC/10bit resolution 34 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 32 K ROM OTP, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
C505L-4E C500 series - 8051 based CMOS contoller with 4ch PWM, 8 DPTRs, WDT, 8ch ADC/10bit resolution 46 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 32 K ROM OTP, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C508 C500 series - 8051 CMOS contoller with PWM, 8 DPTRs, WDT, 8ch ADC/10bit... 40 I/O lines, 3 Timers/Counters, 19 Interrupts/4 priority levels 32K ROM, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
C509-L C500 series - 8051 CMOS contoller with 29ch PWM, 8 DPTRs, WDT, 15ch ADC/10bit... 64 I/O lines, 5 Timers/Counters, 19 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 3072 Bytes addition XRAM
C511-R C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
2 Timers/Counters, 4 Interrupts/2 priority levels 2,5 K ROM, 128 Bytes on-chip RAM
C511A-R C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
2 Timers/Counters, 4 Interrupts/2 priority levels 4 K ROM, 256 Bytes on-chip RAM
C513-R C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
3 Timers/Counters, 7 Interrupts/2 priority levels 8 K ROM, 256 Bytes on-chip RAM
C513A--2R C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
3 Timers/Counters, 7 Interrupts/2 priority levels 16 K ROM, 256 Bytes on-chip RAM + 256 Bytes addition XRAM
C513A--L C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
3 Timers/Counters, 7 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM + 256 Bytes addition XRAM
C513A--R C500 series - 8051 based CMOS contoller with SSC Interface 32 I/O lines, 
3 Timers/Counters, 7 Interrupts/2 priority levels 12 K ROM, 256 Bytes on-chip RAM + 256 Bytes addition XRAM
C515-1R C500 series - 8051 CMOS contoller with 4ch PWM, WDT, 8ch ADC, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 8 K ROM,
256 Bytes On-chip RAM
C515-L C500 series - 8051 CMOS contoller with 4ch PWM, WDT, 8ch ADC, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less,
256 Bytes On-chip RAM
C515A-4R C500 series - 8051 CMOS contoller with 4ch PWM, WDT, 8ch ADC/10bit, HW PWD, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 32 K ROM, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
C515A-L C500 series - 8051 CMOS contoller with 4ch PWM, WDT, 8ch ADC/10, HW PWD, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 1024 Bytes addition XRAM
C515B-2R C500 series - 8051 CMOS contoller with 4ch PWM, WDT, 8ch ADC/10, HW PWD, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 16 K ROM, 256 Bytes On-chip RAM + 256 Bytes addition XRAM
C515C-8R / -8E C500 series - 8051 CMOS CAN contoller with 4ch PWM, WDT, 8 DPTRs, 8ch ADC/10, HW PWD, 57 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels 64 K ROM (C515C-8E: OTP), 256 Bytes On-chip RAM + 2048 Bytes addition XRAM
C515C-L C500 series - 8051 CMOS CAN contoller with 4ch PWM, WDT, 8 DPTRs, 8ch ADC/10, HW PWD, 57 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 2048 Bytes addition XRAM
C517A-4R C500 series - CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/10, HW PW, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 17 Interrupts/4 priority levels 32 K ROM, 256 Bytes On-chip RAM + 2048 Bytes addition XRAM
C517A-L C500 series - CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/10, HW PW, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 17 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 2048 Bytes addition XRAM
C540U-E C500 series - 8051 based CMOS contoller with USB 1.0 Interface, 32 I/O lines, 2 Timers/Counters, 7 Interrupts/2 priority levels 4 K ROM OTP, 256 Bytes on-chip RAM
C541U-2E C500 series - 8051 based CMOS contoller with USB 1.0 Interface, SSC, WDT 32 I/O lines, 2 Timers/Counters, 7 Interrupts/2 priority levels 8 K ROM OTP, 256 Bytes on-chip RAM
SAB 80C515 8051 based CMOS contoller with 4ch PWM, WDT, 8ch ADC/8, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels 8 K ROM, 256 Bytes On-chip RAM
SAB 80C515A 8051 based CMOS contoller with 4ch PWM, WDT, 8ch ADC/10, HW PDW, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 1024 Bytes additional XRAM
SAB 80C517 8051 based CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/8, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 14 Interrupts/4 priority levels 8 K ROM, 256 Bytes On-chip RAM
SAB 80C517A 8051 based CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/10, HW PWD, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 17 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM + 2048 Bytes additional XRAM
SAB 80C535 8051 based CMOS contoller with 4ch PWM, WDT, 8ch ADC/8, 56 I/O lines, 3 Timers/Counters, 12 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM
SAB 80C537 8051 based CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/8, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 14 Interrupts/4 priority levels ROM-less, 256 Bytes On-chip RAM
SAB 83C515A-5 8051 based CMOS contoller with 4ch PWM, WDT, 8ch ADC/10, HW PDW, 56 I/O lines, 3 Timers/ Counters, 12 Interrupts/4 priority levels,32 K ROM, 256 Bytes On-chip RAM + 1024 Bytes additional XRAM
SAB 83C517A-5 8051 based CMOS contoller with 21ch PWM, 8 DPTRs, WDT, 12ch ADC/10, HW PWD, Mul./Div Unit, 68 I/O lines, 4 Timers/Counters, 17 Interrupts/4 priority levels 32 K ROM, 256 Bytes On-chip RAM + 2048 Bytes additional XRAM
SDA 30C16x/26x 8051 based CMOS contoller for TV Sets, 8 DPTR, 256 Byte IRAM 2 Timers/Counters, up to 2KB on Chip XRAM supports up to 1MB RAM using a on-chip banking hardware
SDA 555X TVText Pro 8051 based CMOS contoller for TV Sets, 8 DPTR, 256 Byte IRAM 2 Timers/Counters, up to 16KB on Chip XRAM supports up to 1MB RAM using a on-chip banking hardware
Infineon (C16x/ST10 Family) C161CS 16-Bit Microcontroller with 93 I/O Lines, Power Down, Watchdog, Clock 20MHz dual CAN Controller, SSC, 2xUSART, AD Converter on-chip RAM: (2KB + 2KB XRAM + 6KB XRAM) on-chip Flash ROM: 256KB
C161JC 16-Bit Microcontroller with 93 I/O Lines, Power Down, Watchdog, Clock 20MHz CAN Controller, SDLM(J1850), SSC, 2xUSART, AD Converter on-chip RAM: (2KB + 2KB XRAM + 6KB XRAM) on-chip Flash ROM: 256KB
C161JI 16-Bit Microcontroller with 93 I/O Lines, Power Down, Watchdog, Clock 20MHz SDLM (J1850), SSC, 2xUSART, AD Converter on-chip RAM: (2KB + 2KB XRAM + 6KB XRAM) on-chip Flash ROM: 256KB
C161K 16-Bit Microcontroller with 63 I/O Lines, Power Down, Watchdog, Clock up to 16MHz SSP, USART on-chip RAM: 1KB
C161O/OR 16-Bit Microcontroller with 63 I/O Lines, Power Down, Watchdog, Clock up to 16MHz SSP, USART on-chip RAM: 2KB
C161PI 16-Bit Microcontroller with 76 General Purpose I/O Lines, Power Down, Prog. WDT, Clock up to 25MHz SSP, 4ch ADC/10bit, on-chip RAM: 1KB + 2K XRAM
C161RI 16-Bit Microcontroller with 63 I/O Lines, Power Down, Watchdog, Clock up to 16MHz SSP, USART on-chip RAM: 1KB + 2K XRAM
C161U 16-Bit Microcontroller with 12 Mbit/s Full Speed USB Interface, Clock up to 38MHz 4 independent HDLC controllers, IOM-2 interface ROM-less, 3KB Dual-Port on-chip RAM
C161V 16-Bit Microcontroller with 63 I/O Lines, Power Down, Watchdog, Clock up to 16MHz SSP, USART on-chip RAM: 1KB multiplexed BUS
C163 (all Variants) 16-Bit Microcontroller with 77 I/O Lines, Power Down, Watchdog, Clock up to 25MHz SSP, USART on-chip RAM: 1KB
C164 16-Bit Microcontroller with 59 I/O Lines, Power Down, Watchdog, Clock up to 20MHz SSP, USART, AD Converter, CAN on-chip RAM: 2KB on-chip ROM: 64KB
C164CI 16-Bit Microcontroller with 59 I/O Lines, Power Down, Watchdog, Clock up to 20MHz SSP, USART, AD Converter, CAN on-chip RAM: 2KB on-chip ROM: 64KB
C165 16-Bit Microcontroller with 77 I/O Lines, Power Down, Watchdog, Clock up to 25MHz SSP, USART on-chip RAM: 2KB on-chip ROM: 4KB or
ROMless
C165 UTAH 16-Bit Microcontroller with 12 Mbit/s Full Speed USB Interface, Clock up to 38MHz 4 independent HDLC controllers, IOM-2 interface ROM-less, 3KB Dual-Port on-chip RAM
C166 (all Variants) 16-Bit Microcontroller with 76 I/O Lines, Power Down, Watchdog, Clock 25 MHz Capture Compare Unit (16 channels), SSC, USART, AD Converter on-chip RAM: 1KB on-chip ROM: 32KB or ROMless
C167-LM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) SSC, USART, AD Converter on-chip RAM: 2KB
C167CR-16FM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output (4 channels) CAN Controller, SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM) on-chip Flash ROM: 128KB
C167CR-16RM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) CAN Controller, SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM) on-chip ROM: 128KB
C167CR-4RM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) CAN Controller, SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM) on-chip ROM: 32KB
C167CR-L25M 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 25MHz Capture Compare Unit (32 channels), PWM Output(4 channels) CAN Controller, SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM)
C167CR-LM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) CAN Controller, SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM)
C167CS-32FM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 25MHz Capture Compare Unit (32 channels), PWM Output(4 channels) dual CAN Controller, SSC, USART, AD Converter on-chip RAM: (3KB + 2KB XRAM + 6KB XRAM) on-chip Flash ROM: 256KB
C167S-4RM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) SSC, USART, AD Converter on-chip RAM: 2KB on-chip ROM: 32KB
C167SR-LM 16-Bit Microcontroller with 111 I/O Lines, Power Down, Watchdog, Clock 20MHz Capture Compare Unit (32 channels), PWM Output(4 channels) SSC, USART, AD Converter on-chip RAM: (2KB + 2KB XRAM)
Intel (8051 Family) 80/87C51BH MCS-51 CMOS single-chip 8-bit microcontoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4 KB ROM (87C51BH: OTP), 128 Bytes on-chip RAM
8031AH MCS-51 NMOS single-chip 8-bt microcontoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less,128 Bytes on-chip RAM
8032AH MCS-51 NMOS single-chip 8-bt microcontoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels ROM-less,256 Bytes on-chip RAM
8051AH MCS-51 NMOS single-chip 8-bt microcontoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4 KB ROM,128 Bytes on-chip RAM
8052AH MCS-51 NMOS single-chip 8-bt microcontoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 8 KB ROM,256 Bytes on-chip RAM
80C152JA MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC & CSM/CD 40 I/O lines, 2 Timers/Counters, 11 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C152JB MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC & CSM/CD 56 I/O lines, 2 Timers/Counters, 11 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C152JC MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC 40 I/O lines, 2 Timers/Counters, 11 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C152JD MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC 56 I/O lines, 2 Timers/Counters, 11 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C31BH MCS-51 CMOS single-chip 8-bit microcontoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less,128 Bytes on-chip RAM
80C51BH MCS-51 CMOS single-chip 8-bit microcontoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4 KB ROM,128 Bytes on-chip RAM
80C51FA MCS-51 NMOS single-chip 8-bit microcontoller with 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels ROM-less,256 Bytes on-chip RAM
80C51GB MCS-51 NMOS single-chip 8-bit microcontoller with PWM, WDT Capabilities, 8ch ADC/8bit 48 I/O lines, 3 Timers/Counters,15 Interrupts/4 priority levels, 2 Programmable Counter Arrays with 2*5 High Speed I/O, Programming Serial Channel with:
-Framing Detection -Automatic Address Recognition ROM-less, 256 Bytes on-chip RAM
80C51SL MCS-51 CHMOS single-chip 8-bit microcontoller with 4ch ADC/8bit, Complete 8041 Keyboard Control Local 16x8 Keyboard Switch Matrix, 5 LED Drivers 10 Interrupt Sources with 6 User-Definable External Interrupts Three Multifunction I/O Ports ROM 256 Bytes on-chip RAM
80L51FA MCS-51 CHMOS single-chip 8-bit Low Voltage microcontoller with PCA, 32 I/O lines, 3 Timers/Counters, 7 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition ROM-less, 256 Bytes on-chip RAM
80L52 MCS-51 CHMOS single-chip 8-bt microcontoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels ROM-less,256 Bytes on-chip RAM
81/83/87C51SL MCS-51 CHMOS single-chip 8-bit microcontoller with 4ch ADC/8bit Complete 8041 Keyboard Control Local 16x8 Keyboard Switch Matrix 5 LED Drivers 10 Interrupt Sources with 6 User-Definable External Interrupts Three Multifunction I/O Ports 16K ROM 256 Bytes on-chip RAM
83/87C51FA MCS-51 NMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 7 Interrupts/4 priority levels 8K On-Chip ROM, 256 Bytes on-chip RAM Programming Serial Channel with: -Framing Detection -Automatic Address Recognition
83/87C51FB MCS-51 NMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 7 Interrupts/4 priority levels 16K On-Chip ROM, 256 Bytes on-chip RAM Programming Serial Channel with: -Framing Detection -Automatic Address Recognition
83/87C51FC MCS-51 NMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 7 Interrupts/4 priority levels 32K On-Chip ROM, 256 Bytes on-chip RAM Programming Serial Channel with: -Framing Detection -Automatic Address Recognition
83/87C51GB MCS-51 NMOS single-chip 8-bit microcontoller with PWM, WDT Capabilities, 8ch ADC/8bit 48 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels, 2 Programmable Counter Arrays with 2*5 High Speed I/O, Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 8K On-Chip ROM, 256 Bytes on-chip RAM
83/87C51RA MCS-51 CHMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 6 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 8K On-Chip ROM, 256 Bytes on-chip RAM
83/87C51RB MCS-51 CHMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 6 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 16K On-Chip ROM, 256 Bytes on-chip RAM
83/87C51RC MCS-51 CHMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 6 Interrupts, Watchdog TimerProgramming Serial Channel with: -Framing Detection -Automatic Address Recognition 32K On-Chip ROM, 256 Bytes on-chip RAM
83/87L51FA MCS-51 CHMOS single-chip 8-bit Low Voltage microcontoller with PCA, 32 I/O lines, 3 Timers/Counters,7 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 8K On-Chip ROM, 256 Bytes on-chip RAM
83/87L51FB MCS-51 CHMOS single-chip 8-bit Low Voltage microcontoller with PCA, 32 I/O lines, 3 Timers/Counters,7 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 16K On-Chip ROM, 256 Bytes on-chip RAM
83/87L51FC MCS-51 CHMOS single-chip 8-bit Low Voltage microcontoller with PCA, 32 I/O lines, 3 Timers/Counters,7 Interrupts, Watchdog Timer Programming Serial Channel with: -Framing Detection -Automatic Address Recognition 32K On-Chip ROM, 256 Bytes on-chip RAM
83C152JA MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC & CSM/CD 40 I/O lines, 2 Timers/Counters, 11 Interrupts/4 priority levels 8K ROM, 256 Bytes on-chip RAM
83C152JC MCS-51 CHMOS single-chip 8-bt microcontoller with HDLC/SDLC 40 I/O lines, 2 Timers/ Counters, 11 Interrupts/4 priority levels 8K ROM, 256 Bytes on-chip RAM
87C51FA MCS-51 NMOS single-chip 8-bit microcontoller with PCA, 32 I/O lines, 3 Timers/ Counters, 7 Interrupts/4 priority levels 8 On-Chip EPROM 256 Bytes on-chip RAM Programming Serial Channel with: -Framing Detection -Automatic Address Recognition
87C54 MCS-51 NMOS single-chip 8-bit microcontoller with 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16K On-Chip ROM/EPROM 256 Bytes on-chip RAM Programmable Serial Channel with frame Error Detection
87L52 MCS-51 CHMOS single-chip 8-bt microcontoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 8 KByte ROM (OTP),256 Bytes on-chip RAM
ISSI (8051 Family) IS80C31 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes on-chip RAM
IS80C32 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
IS80C51 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4K ROM, 128 Bytes on-chip RAM
IS80C52 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 8K ROM, 256 Bytes on-chip RAM
IS80LV31 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes on-chip RAM
IS80LV32 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
IS80LV51 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4K ROM, 128 Bytes on-chip RAM
IS80LV52 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 8K FLASH, 256 Bytes on-chip RAM
IS89C51 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4K FLASH, 128 Bytes on-chip RAM
IS89C52 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 8K FLASH, 256 Bytes on-chip RAM
OKI (8051 Family) 80C154 8051 based CMOS contoller with UART 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels 16k ROM, 256 Bytes on-chip RAM
80C31F 8051 based CMOS contoller 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 128 Bytes on-chip RAM
Philips (8051 Family) 80C32 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C528 8051 based CMOS contoller with IIC, WDT, PCM 48 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels ROM-less, on-chip RAM: 256 Bytes + 256 Byte AUX RAM
80C552 8051 based CMOS contoller with 10-bit A/D, capture/compare, PWM, 48 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM
80C554 80C51 8-bit contoller with 8ch 10bit A/D, capture/compare, PWM, high I/O, Dual DPTR 40 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM + 256 Bytes additional AUX RAM
80C562 8051 based CMOS contoller with 2 8-bit PWM, 8-bit A/D, 48 I/O lines, 3 Timers/Counters, 14 Interrupts/ 4 priority levels ROM-less, 256 Bytes on-chip RAM
80C575 8051 based CMOS contoller with PCA, watchdog, enhanced serial port, 32 I/O lines, 4 Timers/Counters, 7 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
80C591 8051 based CMOS contoller with on-chip CAN (SJA1000 CAN) 32 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels I2C-Bus, 10-bit ADC, WDT, Security features second DPTR ROM-less, on-chip RAM: 256 Bytes + 256 Bytes additional AUX RAM
80C592 8051 based CMOS contoller with on-chip CAN 48 I/O lines, 3 Timers/Counters, 15 Interrupts/2 priority levels ROM-less, on-chip RAM: 256 Bytes + 256 Bytes additional AUX RAM
80CE558 80C51 8-bit contoller with 8ch 10bit A/D, capture/compare, PWM, high I/O, Dual DPTR 40 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels, I2C-Bus, PLL (32kHz) 256 Bytes on-chip RAM + 1024 Bytes additional AUX RAM
83/87C451 8051 based CMOS contoller with 48 I/O lines, 2 Timers/Counters, 5 Interrupts, 2 priority levels 4 KB ROM (83C451), 4 KB EPROM (87C451) 128 Bytes on-chip RAM
83/87C528 8051 based CMOS contoller with 32K x 8 ROM, IIC, WDT, PCM 48 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels 32 KB ROM, on-chip RAM 256 Bytes + 256 Bytes AUX RAM
83/87C552 8051 based CMOS contoller with 10-bit A/D, capture/compare timer, PWM, 48 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels 8 KB ROM, 256 Bytes on-chip RAM
83/87C554 80C51 8-bit contoller with 8ch 10bit A/D, capture/compare, PWM, high I/O, Dual DPTR 40 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM + 256 Bytes additional AUX RAM
83/87C562 8051 based CMOS contoller with 2 8-bit PWM, 8-bit A/D 48 I/O lines, 3 Timers/Counters, 14 Interrupts/4 priority levels 8 KB ROM, 256 Bytes on-chip RAM
83/87C575 8051 based CMOS contoller with PCA, watchdog, enhanced serial port, 32 I/O lines, 4 Timers/Counters, 7 Interrupts/2 priority levels 8 KB ROM, 256 Bytes on-chip RAM
83/87C750 8051 based CMOS contoller with 19 I/O lines, 1 Timer/Counter, 5 Interrupts/fixed priority 1K ROM, on-chip RAM: 64 Bytes
83/87C751 8051 based CMOS contoller with IIC, 19 I/O lines, 1 Timer/Counter, 5 Interrupts/fixed priority 2K ROM, on-chip RAM: 64 Bytes
83/87C752 8051 based CMOS contoller with IIC, 5-channel 8-bit A/D converter, 8-bit PWM output, 21 I/O lines, 2 Timers/Counters, 5 Interrupts/fixed priority 2K ROM, on-chip RAM: 64 Bytes
83/89CE558 80C51 8-bit contoller with 8ch 10bit A/D, capture/compare, PWM, high I/O, Dual DPTR 40 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels, I2C-Bus, PLL (32kHz) 32K (FEE)ROM, 256 Bytes on-chip RAM + 1024 Bytes additional AUX RAM
83C591 8051 based CMOS contoller with on-chip CAN (SJA1000 CAN) 32 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels I2C-Bus, 10-bit ADC, WDT, Security features second DPTR 16 kByte ROM, on-chip RAM: 256 Bytes + 256 Bytes additional AUX RAM
83C592 8051 based CMOS contoller with on-chip CAN 48 I/O lines, 3 Timers/Counters, 15 Interrupts/2 priority levels 16 KB ROM, on-chip RAM: 256 Bytes + 256 Bytes additional AUX RAM
87C552 8051 based CMOS contoller with 10-bit A/D, capture/compare timer, PWM 48 I/O lines, 3 Timers/ Counters, 15 Interrupts/4 priority levels 8 KB EPROM, 256 Bytes on-chip RAM
87C591 8051 based CMOS contoller with on-chip CAN (SJA1000 CAN) 32 I/O lines, 3 Timers/Counters, 15 Interrupts/4 priority levels I2C-Bus, 10-bit ADC, WDT, Security features second DPTR 16 kByte EEPROM, on-chip RAM: 256 Bytes + 256 Bytes additional AUX RAM
87C652 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 6 Interrupts/2 priority levels 8K ROM, 256 Bytes on-chip RAM
87LPC762 8051 based CMOS contoller with 15(18) I/O lines, 2 Timers/Counters, 4 Interrupt Priority Levels, 2 Analog comp ROM-less, 128 Bytes on-chip RAM 2kByte EEPROM, I2C-Bus
87LPC764 8051 based CMOS contoller with 15(18) I/O lines, 2 Timers/Counters, 4 Interrupt Priority Levels, 2 Analog comp ROM-less, 128 Bytes on-chip RAM 4kByte EEPROM, I2C-Bus
87LPC767 8051 based CMOS contoller with 15(18) I/O lines, 2 Timers/Counters, 2 Analog comp, 4 channel 8-Bit A/D ROM-less, 128 Bytes on-chip RAM 4kByte EEPROM, I2C-Bus
87LPC768 8051 based CMOS contoller with 15(18) I/O lines, 2 Timers/Counters, 2 Analog comp, 4 channel 8-Bit A/D, PWM ROM-less, 128 Bytes on-chip RAM 4kByte EEPROM, I2C-Bus
87LPC769 8051 based CMOS contoller with 15(18) I/O lines, 2 Timers/Counters, 2 Analog comp, 4 channel 8-Bit A/D, PWM ROM-less, 128 Bytes on-chip RAM, 2 channel 8-bitl D/A converter 4kByte EEPROM, I2C-Bus
8xC51/8xCL51 CMOS Version of Original 8051, 80CL31 has low power/low voltage features. 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 4 KB ROM, 128 Bytes on-chip RAM
8xC51FA/8xL51FA 8051 based CMOS contoller with PCA, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 8 KB ROM, 256 Bytes on-chip RAM
8xC51FB/8xL51FB 8051 based CMOS contoller with PCA, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16 KB ROM, 256 Bytes on-chip RAM
8xC51FC/8xL51FC 8051 based CMOS contoller with PCA, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 32 KB ROM, 256 Bytes on-chip RAM
8xC51MA 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 64 K ISP FLASH EPROM, 3 KBytes on-chip RAM 80C51 compatible MX Architecture
8xC51MB 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 96 K ISP FLASH EPROM, 3 KBytes on-chip RAM 80C51 compatible MX Architecture
8xC51RA+ 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 8 K ISP FLASH EPROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
8xC51RB+ 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16 K ISP FLASH EPROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
8xC51RC+ 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 32 K ISP FLASH EPROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
8xC51RD+ 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 64 K ISP FLASH EPROM, 256 Bytes on-chip RAM, additional 768 Bytes XRAM
8xC52 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 8 KB ROM, 256 Bytes on-chip RAM, dual DPTR
8xC54 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 16 KB ROM, 256 Bytes on-chip RAM, dual DPTR
8xC58 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 32 KB ROM, 256 Bytes on-chip RAM, dual DPTR
SST (8051 Family) SST89C54 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM 20kByte SuperFlashEEPROM, WDT
SST89C58 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM 32kByte SuperFlashEEPROM, WDT
SST89C59 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM 64kByte SuperFlashEEPROM, WDT
SST89F54 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM 20kByte SuperFlashEEPROM, WDT
SST89F58 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM 32kByte SuperFlashEEPROM, WDT
ST Microelectronics (C16x/ST10 Family) ST10CT167 16-Bit Microcontroller with 111 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 20 MHz, CAPCOM Unit (32 ch), PWM Output (4 channels), SSC, USART, 16ch ADC (10bit resolution), On-chip CAN 2.0B Interface, On-chip RAM: 2KB + 2KB XRAM On-chip ROM: 
32 KB
ST10F163 16-Bit Microcontroller with 77 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 25 MHz , SSP, USART On-chip RAM: 1 KB On-chip Flash ROM: 128 KB
ST10F166 16-Bit Microcontroller with 76 I/O Lines, Idle & Power Down, Watchdog Timer, two USARTs, Clock 20MHz, Capture Compare Unit (16 channels), 10ch AD Converter (10 bit resolution) on-chip RAM: 1KB on-chip Flash ROM: 256KB
ST10F167 16-Bit Microcontroller with 111 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 20 MHz, CAPCOM Unit (32 ch), PWM Output (4 channels), SSC, USART, 16ch ADC (10bit resolution), On-chip CAN 2.0B Interface, on-chip RAM: (2KB + 2KB XRAM) on-chip Flash ROM: 128KB
ST10F168 16-Bit Microcontroller with 111 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 25 MHz, CAPCOM Unit (32 ch), PWM Output (4 channels), SSC, USART, 16ch ADC (10bit resolution), On-chip CAN 2.0B Interface, on-chip RAM: (2KB + 6KB XRAM) on-chip Flash ROM: 256KB
ST10F169 16-Bit Microcontroller with 111 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 32 MHz, CAPCOM Unit (32 ch), PWM Output (4 channels), SSC, USART, 16ch ADC (10bit resolution), dual On-chip CAN 2.0B Interface, on-chip RAM: (2KB + 2KB XRAM + 8KB XRAM) on-chip Flash ROM: 256KB
ST10R163 16-Bit Microcontroller with 77 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 25 MHz , SSP, USART ROM-less, On-chip RAM: 1 KB
ST10R165 16-Bit Microcontroller with 77 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 20 MHz, SSC ROM-less, On-chip RAM: 2KB
ST10R167 16-Bit Microcontroller with 111 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 20 MHz, CAPCOM Unit (32 channels), PWM Output (4 channels) , SSC, USART, 16ch ADC (10bit resolution), On-chip CAN 2.0B Interface, ROM-less, on-chip RAM: (2KB + 2KB XRAM)
ST10R262/272 16-Bit Microcontroller with Multiply-Accumulate unit (MAC) 77 I/O Lines, Idle & Power Down, Watchdog Timer, Clock 50 MHz, PWM Output (1 channel), SSP, USART ROM-less, 1 KB On-chip RAM 3.3V Technology (ST10R272 only!)
TDK (8051 Family) 73M2910L 8051 based CMOS contoller with UART 24 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM, HDLC support (Packetizer, 16/32-bit CRC, zero ID)
Temic (8051 Family) 80C31 8051 based CMOS contoller with, 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels ROM-less, 128 Bytes on-chip RAM
80C31X2 8051 based CMOS contoller with Dual DPTR, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 2 Timers/Counters, 5 Interrupts/4 priority levels ROM-less, 128 Bytes on-chip RAM
80C32 8051 based CMOS contoller with 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels ROM-less, 256 Bytes on-chip RAM
80C51 8051 based CMOS contoller with 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4K ROM, 128 Bytes on-chip RAM
80C51I2 8051 based CMOS contoller with 12ch PWM, Enhanced I/O ports, Multimaster II2 contr. 32 I/O lines, 2 Timers/Counters, 6 Interrupts/2 priority levels 8K ROM, 256 Bytes on-chip RAM
80C51RA2 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
80C51RD2 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 60 MHz High-Speed Architecture, X2 function, 32/48 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels ROM-less, 256 Bytes on-chip RAM, additional 768 Bytes XRAM
80C51U2 8051 based CMOS contoller with Dual DPTR, Double UART, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM
80C52X2 8051 based CMOS contoller with Dual DPTR, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 8K ROM, 256 Bytes on-chip RAM
80C54X2 8051 based CMOS contoller with Dual DPTR, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM
80C58X2 8051 based CMOS contoller with Dual DPTR, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 32K ROM, 256 Bytes on-chip RAM
83/87C51RB2 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
83/87C51RC2 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 32K ROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
83/87C51RD2 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 60 MHz High-Speed Architecture, X2 function, 32/48 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 64K ROM, 256 Bytes on-chip RAM, additional 768 Bytes XRAM
83/87C51U2 8051 based CMOS contoller with Dual DPTR, Double UART, 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM
83/87C52X2 8051 based CMOS contoller with 60 MHz High-Speed Architecture, X2 function, 32 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM
87C51 8051 based CMOS contoller with, 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels 4K OTP ROM, 128 Bytes on-chip RAM
T83C5101 8051 based CMOS contoller with PCA, Dual DPTR, enhanced UART, 66 MHz High-Speed Architecture, X2 function, 16+2/6 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 16K ROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
T83C5102 8051 based CMOS contoller with PCA, Dual DPTR, enhanced UART, 66 MHz High-Speed Architecture, X2 function, 16+2/6 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 8K ROM, 256 Bytes on-chip RAM, additional 256 Bytes XRAM
T87C5101 8051 based CMOS contoller with PCA, Dual DPTR, enhanced UART, 66 MHz High-Speed Architecture, X2 function, 16+2/6 I/O lines, 3 Timers/Counters, 6 Interrupts/4 priority levels 16K EPROM (OTP), 256 Bytes on-chip RAM, additional 256 Bytes XRAM
T89C51CC01 8051 based CMOS contoller with PCA, Dual DPTR, WDT, 10 Bit ADC, Full CAN, 40 MHz High-Speed Architecture, X2 function, 32+2 I/O lines, 3 Timers/Counters, 14 Interrupts/4 priority levels 32K FLASH, 2K EEPROM, 256 Bytes on-chip RAM, additional 1K XRAM
T89C51RD2 8051 based CMOS contoller with PCA, Dual DPTR, WDT 40 MHz High-Speed Architecture, X2 function, 32/48 I/O lines, 3 Timers/Counters, 7 Interrupts/4 priority levels 64K FLASH, 2K EEPROM (Boot Flash) , 256 Bytes on-chip RAM, additional 1K XRAM
TI (8051 Family) TUSB3200 8052 based CMOS contoller with 3 Timers/Counters, DMA, 2 GPIO-Ports, USB, ACG, PWM I2C-Interface, CODEC-Interface ROM-less, 256 Bytes on-chip RAM, 4kByte ROM, 8kByte XRAM
Triscend (8051 Family) TE505 8051 based CSL Cells contoller Dual-Pointer 124 I/O lines, 3 Timers/Counters, 12 Interrupts sources / 3 priority levels, WDT 16K ON-chip XRAM, 256 Bytes On-chip RAM CSI-system bus, Two-Channel advanced DMA controller Multi-master bus with round-robin arbitration
TE512 8051 based CSL Cells contoller Dual-Pointer 188 I/O lines, 3 Timers/Counters, 12 Interrupts sources / 3 priority levels, WDT 16K ON-chip XRAM, 256 Bytes On-chip RAM CSI-system bus, Two-Channel advanced DMA controller Multi-master bus with round-robin arbitration
TE520 8051 based CSL Cells contoller Dual-Pointer 252 I/O lines, 3 Timers/Counters, 12 Interrupts sources / 3 priority levels, WDT 40K ON-chip XRAM, 256 Bytes On-chip RAM CSI-system bus, Two-Channel advanced DMA controller Multi-master bus with round-robin arbitration
TE532 8051 based CSL Cells contoller Dual-Pointer 316 I/O lines, 3 Timers/Counters, 12 Interrupts sources / 3 priority levels, WDT 64K ON-chip XRAM, 256 Bytes On-chip RAM CSI-system bus, Two-Channel advanced DMA controller Multi-master bus with round-robin arbitration
Winbond (8051 Family) W77C32 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 12 Interrupts/2 priority levels, Dual Data Pointer, WDT, ROM-less, 256 Bytes on-chip RAM, 1K additional on-chip SRAM
W77E468 8051 based CMOS contoller with high speed architecture 52 I/O lines, 3 Timers/Counters, 12 Interrupts/2 priority levels, Dual Data Pointer, WDT, 32k ROM, 256 Bytes on-chip RAM, 1K additional on-chip SRAM
W77E58 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 12 Interrupts/2 priority levels, Dual Data Pointer, WDT, 32k ROM, 256 Bytes on-chip RAM, 1K additional on-chip SRAM
W77LE58 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 12 Interrupts/2 priority levels, Dual Data Pointer, WDT, 32k ROM, 256 Bytes on-chip RAM, 1K additional on-chip SRAM
W78C32B 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, ROM-less, 256 Bytes on-chip RAM
W78C33B 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, Extra-IO ROM-less, 256 Bytes on-chip RAM
W78C354 8051 based CMOS contoller with high speed architecture 29 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, 16 KB !! Mask-ROM !! -512 Byte RAM PWM: 14 channels static DACs 3 channels dynamic DACs -4 channels 6-bit ADC -I2C port, Watchdog Timer -One SPI/RS232 port -2 LED driving pins
W78C374 8051 based CMOS contoller with high speed architecture 24 I/O lines, 2 Timers/Counters, 1 Interrupt -16 KB !! Mask- ROM !!, 384 Byte RAM -PWM: 8 channels static DACs 3 channels dynamic DACs 4 channels 4-bit ADC, DDC port, Watchdog Timer ,2 LED driving pins
W78C438C 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 8 Interrupts/2 priority levels, Additional Int2, Int3, Memory address space 1MByte ROM-less, 256 Bytes on-chip RAM
W78C516 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/ 2 priority levels, Extra I/O Port, / INT2, /INT 64k ROM, 256 Bytes on-chip RAM, 256 Bytes on-chip XRAM
W78C51D 8051 based CMOS contoller with high speed architecture 32 I/O lines, 2 Timers/Counters, 5 Interrupts/2 priority levels, 4k ROM
W78C52D 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, 8k ROM, 256 Bytes on-chip RAM
W78C54 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/ 2 priority levels, Extra I/O Port, / INT2, /INT3 16k ROM, 256 Bytes on-chip RAM
W78C58 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/ 2 priority levels, Extra I/O Port, / INT2, /INT3 32k ROM, 256 Bytes on-chip RAM
W78C801 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/ 2 priority levels, Extra I/O Port, Wake-up from Port1 Interrupt, WDT 4k ROM, 256 Bytes on-chip RAM
W78E354 8051 based CMOS contoller with high speed architecture 29 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, 16 KB Flash ROM -512 Byte RAM PWM: 14 channels static DACs 3 channels dynamic DACs -4 channels 6-bit ADC -I2C port, Watchdog Timer -One SPI/RS232 port -2 LED driving pins
W78E374 8051 based CMOS contoller with high speed architecture 24 I/O lines, 2 Timers/Counters, 1 Interrupt -16 KB Flash ROM -384 Byte RAM -PWM: 8 channels static DACs 3 channels dynamic DACs -4 channels 4-bit ADC -DDC port ? Watchdog Timer -2 LED driving pins
W78E51B 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 5/7 Interrupts/2 priority levels, Multiple-Time Programmable, Extra I/O Port, / INT2, /INT3, WDT 4k ROM, 128 Bytes on-chip RAM
W78E52B 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 6/8 Interrupts/2 priority levels, Multiple-Time Programmable, Extra I/O Port, / INT2, /INT3, WDT 8k ROM, 256 Bytes on-chip RAM
W78E54B 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/2 priority levels, Multiple-Time Programmable, Extra I/O Port, / INT2, /INT3, WDT 16k ROM, 256 Bytes on-chip RAM
W78E58 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 6/8 Interrupts/2 priority levels, Multiple-Time Programmable, Extra I/O Port, / INT2, /INT3 32k ROM, 256 Bytes on-chip RAM
W78L32 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, ROM-less, 256 Bytes on-chip RAM
W78L33 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, Extra-IO ROM-less, 256 Bytes on-chip RAM
W78L51 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 5/7 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3, WDT 4k ROM, 128 Bytes on-chip RAM
W78L52 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 8 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3, WDT 8k ROM, 256 Bytes on-chip RAM
W78L54 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 8 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3 , WDT 16k ROM, 256 Bytes on-chip RAM
W78L801 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 2 Timers/Counters, 12 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3 , WDT, wake up from Port 1 4k Mask-ROM, 256 Bytes on-chip RAM
W78LE51 8051 based CMOS contoller with high speed architecture 32 I/O lines, 3 Timers/Counters, 5/7 Interrupts/2 priority levels, Multiple-Time Programmable, Extra I/O Port, / INT2, /INT3, WDT 4k ROM, 128 Bytes on-chip RAM
W78LE52 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3, WDT 8k ROM, 256 Bytes on-chip RAM
W78LE54 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 6/8 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3 , WDT 16k ROM, 256 Bytes on-chip RAM
W78LE812 8051 based CMOS contoller with high speed architecture 32/36 I/O lines, 3 Timers/Counters, 14 Interrupts/2 priority levels, Extra I/O Port, / INT2, /INT3 , WDT, wake up from Port 1, UART 8k Mask-ROM, 256 Bytes on-chip RAM

 
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