8-BIT MICRO-CONTROLLERS

Last updated 24/APR/2006

Compiled by Paul Reynolds at Integrated Technologies Ltd


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Families


This page gives an overview some of the most common micro-controller families. It is by no means complete, nor is it guaranteed to be up-to-date or accurate.


[8031] [80C31] [8051] [80C51]
[80C151] [MSC151]
[PIC]
[COP8]
[6805] [HC05]
[6811] [HC11]


Glossary Of Abbreviations



The follow abbreviations are use:


ADC     Analogue-to-digital converters (channels x bits)
BOD     Brown-out detector
BSL     Bootstrap loader
BUS     Bus speed (MX for multiplexed only)
CAN     Control Area Network bus
CCU     Capture/Compare Unit (PWM)
CMP     Analogue comparator input
EE      Bytes of on-chip EEPROM
ENH     Enhanced UART
HPD     Hardware Power-Down
I2C     I-squared-C serial bus interface
IRQ     Interrupt sources (not all external)
KHz     Oscillator frequency range
mA*     current consumption per MHz (standby/active)
MDU     Multipler/Divider unit
MHz     Maximum oscillator frequency (x internal clock "doubling")
OSD     On-Screen Display (monitor controller with text overlaying)
OWD     Oscillator Watchdog
PCA     Programmable Counter Array
PWM     Pulse width modulators (effectively digital-to-analogue converte
REF     ADC reference
RTC     Real time clock (time/date)
SPI     Synchronous Serial Interface Peripheral
SSC     Synchronous Serial Interface (SPI) Controller
WDT     Watchdog timer



80C51 Family


Also see [80C151] [80C251] [XA]


Most 80C51 parts are available in a number of different ROM types: ROM-less, OTP, Mask, EPROM.

ANALOG DEVICES

Very powerful ADC/DAC MicroConvertors with 80C52 core and FLASH.

PART ROM RAM MHz I/O TIMERS UART WDT ADC DAC PINS FEATURES
ADuC812 8K 256 16 32 3x16 1 1+I2C+SPI 8x12 2x12 52 PQFP 640 EEPROM, Temp sensor
ADuC816 8K 256 16 32 3x16 1 1+I2C+SPI 5x16 1x12 52 PQFP 640 EEPROM
ADuC824 8K 256 16 32 3x16 1 1+I2C+SPI 5x24 1x12 52 PQFP 640 EEPROM

ATMEL

Atmel's devices are based on their FLASH technology, and all are in-circuit programmable.

Atmel, like so many other micro-controller manufacturers, have gone crazy with their number of 8051 variants. For a full list, visit the Atmel web site.

PART ROM RAM MHz VCC I/O BUS TIMERS UART WDT IRQ ADC PINS FEATURES
89C1051 1K 64 24 3-5V 15 no 1 - - 3 CMP 20 -
89C2051 2K 128 24 3-5V 15 no 2 1 - 6 CMP 20 -
89C4051 4K 128 24 3-5V 15 no 2 1 - 6 CMP 20 -
89C51 4K 128 33 5V 4x8 yes 2 1 - 6 - 40/44 -
89C52 8K 256 33 5V 4x8 yes 3 1 - 8 - 40/44 -
89C55 20K 256 33 5V 4x8 yes 3 1 - 8 - 40/44 -
89F51 4K 128 33 5V 4x8 yes 2 1 - 6 - 40/44 OTP!
89F52 8K 128 33 5V 4x8 yes 2 1 - 6 - 40/44 OTP!
89F52RC 32K 128 33 5V 4x8 yes 2 1 - 6 - 40/44 OTP!
89F55 20K 256 33 5V 4x8 yes 3 1 - 8 - 40/44 OTP!
89LV51 4K 128 24 3-5V 4x8 yes 2 1 - 6 - 40/44 -
89LV52 8K 256 24 3-5V 4x8 yes 3 1 - 8 - 40/44 -
89LV55 20K 256 12 5V 4x8 yes 3 1 - 8 - 40/44 -
89LS53 12K 256 12 3-5V 4x8 yes 3 1 1 9 - 40/44 ISP, 2 DTPR
89S8252 8K 256+2KEE 24 5V 4x8 yes 4 1+SPI 1 9 - 40/44 2 DPTR
89SC168 16K 256+8KEE ? 5V 4x8 ? 2 1 ? 6 - ? Secure FLASH
89SC168A 16K 512+8KEE ? 2.7-5.5V 4x8 ? 2 1 ? 6 - ? Secure FLASH
89SC1616A 16K 512+16KEE ? 2.7-5.5V 4x8 ? 2 1 ? 6 - ? Secure FLASH
89SC248A 24K 512+8KEE ? 2.7-5.5V 4x8 ? 2 1 ? 6 - ? Secure FLASH

CHIPCON DEVICES

Award winning 300 to 1000 MHz RF Transceiver integrated with a standard 8051 microcontroller core.

PART ROM RAM MHz VCC I/O TIMERS UART WDT ADC PWM RTC PINS FEATURES
CC1010 32K FLASH 128+2K 2.5x16 2.7-3.6V 26 2 2+SPI 1 3x10 2 1 64 TQFP RF Transceiver

DALLAS

Now part of Maxim, Dallas offer High-Speed micro-controllers with a 4T instruction cycle rather than 12T.

Microcontroller info
Development Tools
Literature
Device Samples

PART ROM RAM MHz I/O TIMERS UART WDT RTC IRQ PWM ADC PINS FEATURES
80C310 - 256 33x3 4x8 3 2 1 - 10 - - 40/44 2 DPTR
80C320 - 256 33x3 4x8 3 2 1 - 13 - - 40/44 PowerFail, 2 DPTR
80C323 - 256 18x3 4x8 3 2 1 - 13 - - 40/44 2.7-5.5V, PowerFail, 2 DPTR
87C390 - 256+4K 40x3 4x8 3 2+IrDA+2xCAN 1 - 16 - - 64/68 4Mbyte addressing, 16/32 MDU
87C520 16K 256+1K 33x3 4x8 3 2 1 - 13 - - 44 Battery backup
87C530 16K 256+1K 33x3 4x8 3 2 1 32KHz 14 - - 44 Battery backup
87C550 8K 256+1K 33x3 7x8 3 2 1 - 16 4x8 8x10 68/80 Power saving
MAX7651 16K FLASH 256 12x3 4x8 3 2 1 - 10 2x8 8x12 64 Power saving, 2 DPTR
MAX7652 16K FLASH 256 12x3 4x8 3 2 1 - 10 2x8 8x12 64 2.7-3.6V, Power saving, 2 DPTR
DS80CH11 - 256+256 25x3 11x8 3 1+I2C
+PCX-BUS 		1 - 16 4x8 8x10 128 Keyboard scanner, 2 DPTR

INTEL

Intel developed the original 8031 core, used by must derivatives. They have progressed to the enhanced families: 80C151 and 80C251.

PART ROM RAM MHz I/O TIMERS UART WDT RTC IRQ PWM ADC PINS FEATURES

PHILIPS

Philips offer greatest number of derivatives.

PART ROM RAM MHz mA* I/O TIMERS UART WDT PWM ADC PINS FEATURES
80C31 - 128 33 - 4x8 2 1 - - - 40 -
80CL31 - 128 16 - 4x8 2 1 - - - 40 1.8-6V
8xC32 - 256 24 - 4 3 1 - - - 40/44 -
80C51 4K 128 33 - 4x8 2 1 - - - 40 -
80CL51 4K 128 16 - 4x8 2 1 - - - 40 1.8-6V
8xC52 8K 256 24 - 4x8 3 1 - - - 40/44 -
89C52 8K FLASH 256 33 - 4x8 3 1 - - - 40/44 -
8xC51FA 8K 256 24 - 4x8 3+PCA ENH - - - 40/44 -
8xL51FA 8K 256 20 - 4x8 3+PCA ENH - - - 40/44 3V
8xC51FB 16K 256 24 - 4x8 3+PCA ENH - - - 40/44 -
8xL51FB 16K 256 20 - 4x8 3+PCA ENH - - - 40/44 3V
8xC51FC 32K 256 16 - 4x8 3+PCA ENH - - - 40/44 -
8xCL410 4K 128 12 - 4x8 2 1+I2C - - - 40 1.8-6V
8xC451 4K 128 16 - 7x8 2 1+ - - - 68 -
8xC542 4K 256 16 - 6 2 I2C - - - 44 8042 Compatible
8xC550 4K 128 16 - 4x8 2 1 1 - 8x8 44 -
8xC552 8K 256 30 0.5/2.3 6x8 3 1+I2C 1 2 8x10 68 -
87C552 8K 256 16 0.25/1 6x8 3 1+I2C 1 2 8x10 68 2.7V-5.5V
8xC554 16K 512 16 0.25/1 6x8 3 1+I2C 1 2 8x10 68 2.7V-5.5V
8xC562 8K 256 16 - 6x8 3 1 1 yes 8x8 68 -
OBSOLETE 8xC575 8K 256 16 - 4x8 3+PCA ENH 1 - - 40/44 -
OBSOLETE 8xC576 8K 256 16 - 4x8 3+PCA ENH 1 yes 6x10 40/44 -
OBSOLETE 8xCL580 6K 256 12 - 5x8 3 1+I2C 1 yes 4x8 64 2.5-6V OBSOLETE
8xC654 16K 256 24 - 4x8 2 1+I2C - - - 40/44 -
8xC652 8K 256 24 - 4x8 2 1+I2C - - - 40/44 -
8xC748 2K 64 16 - 2x8+3 2 - - - - 24 -
8xC749 2K 64 16 - 2x8+5 2 - - 1 5x8 28 -
8xC750 1K 64 40 - 2x8+3 1 - - - - 24 -
8xC751 2K 64 16 - 2x8+3 1 I2C - - - 24 -
8xC752 2K 64 16 - 2x8+5 1 I2C - - 5x8 28 -
8xC851 4K 128+256EE 16 - 4x8 2 1 - - - 44 256 EEPROM
83C852 6K 256+2KEE 12 - 2 2 - - - - T28 SmartCard
8xCO55 16K 256 20 - 3x8+4 2 - - 9 - 42 EMI reduced+OSD
8xC54 16K 256 16 - 4x8 3 ENH - - 8x10 40/44 -
89C54 16K FLASH 256 33 - 4x8 3 ENH - - 8x10 40/44 -
8xC504 16K 256 24 - 4x8 2 ENH - - - 40/44 Divider unit
83CE654 16K 256 16 - 4x8 2 1+I2C - - - 44 EMI reduced
OBSOLETE 83CL781 16K 256 16 - 4x8 3 1+I2C - - - 40/44 1.8-6V OBSOLETE
OBSOLETE 83CL782 16K 256 16 - 4x8 3 1+I2C - - - 40/44 1.8-6V, 3.1V @ 12MHz OBSOLETE
83C864 16K 256+4KEE 10 - 2 2 - - - - T28 SmartCard
8xC524 16K 512 16 - 4x8 3 1+I2C 1 - - 40/44 -
83C858 16K 512+8KEE 10 - 2 2 - - - - T28 SmartCard
8xC592 16K 512 16 - 6x8 3 1+CAN 1 yes 8x10 68 CAN 2.0A
83C855 20K 512+2KEE 8 - 2 2 - - - - T28 SmartCard
8xC58 32K 256 16 - 4x8 3 ENH - - - 40/44 -
8xC508 32K 256 24 - 4x8 2 ENH - - - 40/44 MDU
8xC528 32K 512 20 - 4x8 3 1+I2C 1 - - 40/44 -
83CE528 32K 512 16 - 4x8 3 1+I2C 1 - - 40/44 EMI reduced
83CE558 32K 1024 16 1.0/2.8 6x8 3 1+I2C 1 yes 8x10 80 EMI reduced
83CE559 48K 1536 16 - 6x8 3 1+I2C 1 yes 8x10 80 EMI reduced
83CE560 64K 2048 16 - 6x8 3 1+I2C 1 yes 8x10 80 EMI reduced
83CE598 32K 512 16 - 6x8 3 ENH+CAN 1 yes 8x10 80 EMI reduced
89C535 8K FLASH 512 ? - ? ? ? ? ? ? ? ?
89C536 16K FLASH 512 ? - ? ? ? ? ? ? ? ?
89C538 64K FLASH 512 ? - ? ? ? ? ? ? ? ?

INFINEON

Infineon's parts are good for high digital/analogue input/output and high speed mathematics.

PART ROM RAM MHz I/O TIMERS UART WDT MDU IRQ PWM ADC PINS FEATURES
C501 -
8K 		256 40 4x8 3 1 - - 6 - - 40/44 -
C502 -
16K 		256+256 20 4x8 3 1 1+OWD - 6 - - 40/44 8 DPTR
C504 -
16K 		256+256 40 4x8 4 1 1+OWD - 12 6 CCU 10x8 44 -
C511 2.5K 128 12 4x8 2 SSC - - 4 - - 44 Low EMC
C511A 4K 256 12 4x8 2 SSC - - 4 - - 44 Low EMC
C513 8K 256 12 4x8 3 1+SSC - - 7 - - 44 Low EMC
C513A 16K 256+256 12 4x8 3 1+SSC - - 7 - - 44 EEPROM
C515 -
8K 		256 20 7x8 3 1 1 - 12 4 8x8+REF 80 -
C515A -
32K 		256+1K 20 7x8 3 1 1 - 12 4 8x10 80 HPD
C515B 16K 256+256 20 7x8 3 1 1 - 12 4 8x10 80 HPD
C515C 64K 256+2K 10x2 7x8+1 3 1+SSC+CAN 1+OWD ? 15 4 CCU 8x10 80 Low EMC, HPD, 8 DPTR
C517A -
32K 		256+2K 20 8x8+4 4 2 1+OWD yes 17 21 12x10 100 HPD, 8 DPTR
C509 - 256+3K 16x2 10x8 5 2 1+OWD yes 19 29 15x10 100 HPD, 8 DPTR
80C515 8K 256 20 7x8 3 1 1 - 12 4 8x8+REF 80 -
80C535 - 256 20 7x8 3 1 1 - 12 4 8x8+REF 68 -
80C515A - 256+1K 18 7x8 3 1 1+OWD - 12 4 8x10 68/80 HPD
80C515A-5 32K 256+1K 18 7x8 3 1 1+OWD - 12 4 8x10 68/80 HPD
80C537 - 256 16 8x8+4 4 2 1+OWD yes 14 21 12x10+REF 84 HPD, 8 DPTR
80C517 8K 256 16 8x8+4 4 2 1+OWD yes 14 21 12x10+REF 84 8 DPTR
80C517A - 256+2K 18 8x8+4 4 2 1+OWD yes 17 21 12x10 84/100 HPD, 8 DPTR
80C517A-5 32K 256+2K 18 8x8+4 4 2 1+OWD yes 17 21 12x10 84/100 HPD, 8 DPTR
C540U 4K 256 ? ? ? 1+USB - ? ? ? ? ? USB
C541U 8K 256 ? ? ? ? 1 ? ? ? ? ? USB

TEMIC

Most of Temic's standard 5V 80C31 parts are available in 3V versions (80C31-L).

PART ROM RAM MHz I/O TIMERS UART WDT PINS FEATURES
80C31 - 128 44 4x8 2 1 - 40/44 -
80C51 4K 128 44 4x8 2 1 - 40/44 -
87C51 4K OTP 128 33 4x8 2 1 - 40/44 -
80C32 - 256 44 4x8 3 1 - 40/44 -
80C52 8K 256 44 4x8 3 1 - 40/44 -
87C52 8K OTP 256 44 4x8 3 1 - 40/44 -
80C154 - 256 36 4x8 3 1 1 40/44 -
83C154 16K 256 36 4x8 3 1 1 40/44 -
83C154D 32K 256 36 4x8 3 1 1 40/44 -
80CL31 - 128 44 4x8 2 1 - 40/44 1.8V
80CL51 4K 128 44 4x8 2 1 - 40/44 1.8V

WINBOND

Winbond are better known for their multi-I/O chips, but also make several interesting 8051 derivatives, especially the 80x354 monitor controller.

PART ROM RAM MHz I/O TIMERS UART PWM ADC IRQ PINS FEATURES
78C31B - 128 40 4x8 2 1 - - 6 40/44 -
78C32B - 256 40 4x8 3 1 - - 6 40/44 -
78C33 - 256 40 4x8+4 3 1 - - 8 44 -
78E51 4KEE 128 40 4x8 2 1 - - 5 40/44 -
78E52 8KEE 256 40 4x8 3 1 - -- 6 40 (DIP)
78E52 8KEE 256 40 4x8+4 3 1 - - 8 44 (PLCC/QFP)
78E58 32KEE 256 40 4x8 3 1 - - 6 40 (DIP)
78E58 32KEE 256 40 4x8+4 3 1 - - 8 44 (PLCC/QFP)
78C51C 4K 128 40 4x8 2 1 - - 5 40/44 Low standby
78C52C 8K 256 40 4x8 3 1 - - 6 40 Low standby
78C154 16K 256 40 4x8* 3 1 - -- 6 40/44 *P1.6/P1.7 open-drain
78C54 16K 256 40 4x8 3 1 - - 6 40 (DIP) Low EMI
78C54 16K 256 40 4x8+4 3 1 - - 8 44 (PLCC/QFP) Low EMI
78C58 32K 256 40 4x8 3 1 - - 6 40 (DIP) Low EMI
78C58 32K 256 40 4x8+4 3 1 - - 8 44 (PLCC/QFP) Low EMI
78C438 - 256 40 2x8+4+5x8 3 1 - - 8 84 Extras 1M BUS
78C458 32K 256 40 2x8+4+5x8 3 1 - - 8 84 Extras 1M BUS
78C354 16K 512 20 29 2+1+WDT 1+SPI+I2C 17 4x6 6 68 Monitor SYNC, PFD
78E354 16K 512 20 29 2+1+WDT 1+SPI+I2C 17 4x6 6 68 Monitor SYNC, PFD


80C151 Family


Pin and code compatible with the 80C51, the 80C151 offers internal "clock doubling" at six times the standard 80C31 rate for fas

However, it should be noted that this device has two different hard-coded addressing modes: non-paged (80C51-compatible) mode, and paged.

INTEL

PART ROM RAM MHz I/O TIMERS UART WDT IRQ PINS FEATURES
80C151SB - 256 16x6 4x8 3+PCA 1 1 7 40/44 -
83C151SA 8K EPROM 256 16x6 4x8 3+PCA 1 1 7 40/44 -
83C151SB 16K EPROM 256 16x6 4x8 3+PCA 1 1 7 40/44 -
87C151SA 8K 256 16x6 4x8 3+PCA 1 1 7 40/44 -
87C151SB 16K 256 16x6 4x8 3+PCA 1 1 7 40/44 -


PIC Family


MICROCHIP (12xxx Series)

All are ISP (in-system programmable).

PART ROM RAM STACK MHz VCC I/O TIMERS WDT IRQ ADC PINS FEATURES
12C508 512 25 2 4 2.5-5.5V 6 1 1 ? - 8 -
12C509 1024 41 2 4 2.5-5.5V 6 1 1 ? - 8 -
12CE518 512 25+16EE 8 ? 3-5.5V 6 1 1 ? - 8 -
12CE519 1024 41+16EE 8 ? 3-5.5V 6 1 1 ? - 8 -
12C671 1024 128 2 4 2.5-5.5V 6 1 1 ? 2x8 8 -
12C672 2048 128 2 4 2.5-5.5V 6 1 1 ? 2x8 8 -

MICROCHIP (14Cxxx Series)

PART ROM RAM STACK MHz VCC I/O TIMERS WDT SERIAL IRQ PWM ADC DAC PINS FEATURES
14C000 4096 192 8 20 2.7-6V 20 2 1 I2C 11 - 8x16 2x8 28 ISP, H/W reset

MICROCHIP (16C5x Series)

PART ROM RAM STACK MHz VCC I/O TIMERS WDT SERIAL IRQ PWM ADC PINS FEATURES
16C52 384 25 2 4 2.5-5.5V 12 1 - - ? - - 18 -
16C54 512 25 2 20 2.5-5.5V 12 1 1 - ? - - 18/20 -
16C54A 512 25 2 20 2.0-5.5V 12 1 1 - ? - - 18/20 -
16C55 512 24 2 20 2.5-5.5V 20 1 1 - ? - - 28 -
16C56 1024 25 2 20 2.5-5.5V 12 1 1 - ? - - 18/20 -
16C57 2048 72 2 20 2.5-5.5V 20 1 1 - ? - - 28 -
16C58A 2048 73 2 20 2.0-5.5V 12 1 1 - ? - - 28 -

MICROCHIP (16Cxxx Series)

All are ISP (in-system programmable), and have 14-bit ROM.

PART ROM RAM STACK MHz VCC I/O TIMERS WDT BOD SERIAL IRQ PWM ADC PINS FEATURES
16C554 512 192 8 20 2.5-5.5V 13 1 1 - - ? - - 18/20 -
16C556 1024 80 8 20 2.5-5.5V 13 1 1 - - ? - - 18/20 -
16C558 2048 128 8 20 2.0-5.5V 12 1 1 - - ? - - 18/20 -
16C61 1024 36 8 20 2.0-6V 13 1 1 - - ? - - 18 -
16C62 2048 128 8 20 2.0-6V 22 3 1 - I2C+SPI ? 1 - 28 -
16C62A 2048 128 8 20 2.0-6V 22 3 1 yes I2C+SPI ? 1 - 28 -
16C63 4096 192 8 20 2.0-6V 22 3 1 yes UART+I2C+SPI ? 2 - 28 -
16C64 2048 128 8 20 2.0-6V 33 3 1 - I2C+SPI ? 1 - 40/44 -
16C64A 2048 128 8 20 2.0-6V 33 3 1 yes I2C+SPI ? 1 - 40/44 -
16C65 4096 192 8 20 2.0-6V 33 3 1 - UART+I2C+SPI ? 2 - 40/44 -
16C65A 4096 192 8 20 2.0-6V 33 3 1 yes UART+I2C+SPI ? 2 - 40/44 -
16C66 8192 386 8 20 2.0-6V 22 3 1 yes UART+I2C+SPI ? 2 - 28 -
16C67 8192 386 8 20 2.0-6V 33 3 1 yes UART+I2C+SPI ? 2 - 28 -
16C620 512 80 8 20 2.0-6V 13 1 1 yes - ? - 2 CMP 18/20 Prog REF
16C621 1024 80 8 20 2.0-6V 13 1 1 yes - ? - 2 CMP 18/20 Prog REF
16C622 2048 128 8 20 2.0-6V 13 1 1 yes - ? - 2 CMP 18/20 Prog REF
16C641 2048 128 8 20 2.0-6V 22 1 1 yes - ? - 2 CMP 28 Prog REF
16C642 4096 176 8 20 2.0-6V 22 1 1 yes - ? - 2 CMP 28 Prog REF
16C661 2048 128 8 20 2.0-6V 33 1 1 yes - ? - 2 CMP 40 Prog REF
16C662 4096 176 8 20 2.0-6V 33 1 1 yes - ? - 2 CMP 40 Prog REF
16C710 512 36 8 20 2.0-6V 13 1 1 yes - ? - 4x8 18/20 -
16C71 1024 36 8 20 2.0-6V 13 1 1 - - ? - 4x8 18/20 -
16C711 1024 68 8 20 2.0-6V 13 1 1 yes - ? - 4x8 18/20 -
16C715 2048 128 8 20 2.0-6V 13 1 1 yes - ? - 4x8 18/20 -
16C72 2048 128 8 20 2.0-6V 22 3 1 yes I2C+SPI ? 1 5x8 28 -
16C73 4096 192 8 20 2.0-6V 22 3 1 - UART+I2S+SPI ? 2 5x8 28 -
16C73A 4096 192 8 20 2.0-6V 22 3 1 yes UART+I2S+SPI ? 2 5x8 28 -
16C74 4096 192 8 20 2.0-6V 33 3 1 - UART+I2S+SPI ? 2 8x8 40/44 -
16C74A 4096 192 8 20 2.0-6V 33 3 1 yes UART+I2S+SPI ? 2 8x8 40/44 -
16C76 8192 368 8 20 2.0-6V 22 3 1 yes UART+I2S+SPI ? 2 5x8 28 -
16C77 8192 368 8 20 2.0-6V 33 3 1 yes UART+I2S+SPI ? 2 8x8 40/44 -
16F83 512 FLASH 36+64EE 8 10 2.0-6V 13 1 1 - - ? - - 18 -
16C84 1024 EEPROM 36+64EE 8 10 2.0-6V 13 1 1 - - ? - - 18 -
16F84 1024 FLASH 68+64EE 8 10 2.0-6V 13 1 1 - - ? - - 18 -
16C923 4096 176 8 8 2.0-6V 52 3 1 - I2C+SPI ? 1 - 64 LCD driver
16C924 4096 176 8 8 2.0-6V 52 3 1 - I2C+SPI ? 1 5x8 64 LCD driver

MICROCHIP (17Cxxxx Series)

These RISC-like controllers have a 16-bit ROM, and can address up to 64Kx16 of external memory.

PART ROM RAM STACK MHz VCC I/O TIMERS WDT BOD SERIAL IRQ PWM ADC PINS FEATURES
17C42 2K 232 16 33 2.5-6V 33 4 1 - UART 11 2 - 40/44 -
17C42A 2K 232 16 33 2.5-6V 33 4 1 - UART 11 2 - 40/44 -
17C43 4K 454 16 33 2.5-6V 33 4 1 - UART 11 2 - 40/44 H/W multiple
17C44 8K 454 16 33 2.5-6V 33 4 1 - UART 11 2 - 40/44 H/W multiple
17C752 8K 454 16 33 3-6V 50 4 1 yes 2xUART+I2C+SPI 18 3 12x10 64/68 ISP, H/W multiple
17C756 16K 902 16 33 3-6V 50 4 1 yes 2xUART+I2C+SPI 18 3 12x10 64/68 ISP, H/W multiple


COP8 Family


NATIONAL SEMICONDUCTORS

THE NATIONAL COP8 DEVICES HAVE THE MOST CONFUSING PART NUMBERING SCHEME, EVER. AS A RESULT, I HAVE GIVEN UP LISTING THESE DEVIVES...

PART ROM RAM MHz I/O TIMERS UART WDT IRQ PWM PINS FEATURES
COP8SAA7 1K 64 10 12 1+IDLE MW 1 8 1 16 -
COP8SAA720 1K 64 10 16 1+IDLE MW 1 8 1 20 -
COP8SAA728 1K 64 10 24 1+IDLE MW 1 8 1 28 -
COP8SAB720 2K 128 10 16 1+IDLE MW 1 8 1 20 -
COP8SAB728 2K 128 10 24 1+IDLE MW 1 8 1 28 -
COP8SAC720 4K 128 10 15 1+IDLE MW 1 8 1 20 -
COP8SAC728 4K 128 10 24 1+IDLE MW 1 8 1 28 -
COP8SAA740 4K 128 10 36 1+IDLE MW 1 8 1 40 -
COP8SAA744 4K 128 10 40 1+IDLE MW 1 8 1 44 -
COP8ACC720 4K 128 10 15 1+IDLE MW 1 8 1 20 -


6805 Family


HARRIS

MOTOROLA

The originators on the 6800 family.

PART ROM RAM MHz VCC I/O TIMERS UART IRQ ADC PWM WDT PINS FEATURES -
68HC705JJ 6180+64 224 2.1 2.7-5.5V 14 2 1 5 2 CMP 1 1 20 Internal 100
500Hz osc+Internal 		temp sensor
68HC705JP 6180+64 224 2.1 2.7-5.5V 22 2 1 5 2 CMP 1 1 28 Internal 100
500Hz osc+Internal 		temp sensor

TOSHIBA

Toshiba second source the standard Motorola parts.

PART ROM RAM MHz I/O TIMERS UART ADC WDT PINS FEATURES
68HC05 4160 176 ? 41 1x16-bit ? - - ? -


6811 Family


HARRIS

MOTOROLA

TOSHIBA

Toshiba second source a number of the Motorola parts.

PART ROM RAM MHz I/O TIMERS UART ADC WDT PINS FEATURES
68C711E9 12K 512 ? 38 ? 2 8x8 - ? -
68C711J6 16K 512 ? 54 ? 2 8x8 - ? -
68HC11A0 - 256 ? 22 ? 2 8x8 - ? -
68HC11A1 - 256 ? 22 ? 2 8x8 - ? -
68HC11A8 8K 256 ? 38 ? 2 8x8 - ? -
68HC11E0 - 512 ? 22 ? 2 8x8 - ? -
68HC11E1 - 512 ? 22 ? 2 8x8 - ? -
68HC11E9 12K 512 ? 38 ? 2 8x8 - ? -
68HP11A1 - 256 ? 22 ? 2 8x8 1 ? -
68HP11E1 - 512 ? 22 ? 2 8x8 1 ? -


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