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Popular 8-bit micro-controllers

8-BIT MICRO-CONTROLLERS

Last updated 07/FEB/2000

Compiled by Paul Reynolds (pwr@itl.co.uk) at Integrated Technologies Ltd

Other Pages

4-Bit Micro-controllers 8-Bit Micro-controllers 16/32-Bit Micro-controllers
Home Page Semiconductor Manufacturers Data Electronic Component Vendors List

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]
[6812] [HC12]
[166]
[H8]

Glossary Of Abbreviations

The follow abbreviations are use:

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

80C51 Family

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

Or try the 80x51 WebRing...
[Previous Site | Next | Random | List Sites | Join Ring]

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

ATMEL

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

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

DALLAS

Dallas offer High-Speed micro-controllers with a 4T instruction cycle rather than 12T.

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	25x3	4x8	3	2	1	-	13	-	-	44	Battery backup
87C530	16K	256+1K	25x3	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

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	?	-	?	?	?	?	?	?	?	?

SIEMENS

Siemens' 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 (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 (14Cxxx Series)

PART

ROM

RAM

STACK

MHz

VCC

I/O

TIMERS

WDT

SERIAL

IRQ

PWM

ADC

DAC

PINS

FEATURES

14C000

4096

192

2.7-6V

I2C

8x16
6x16

2x8

ISP, H/W reset

MICROCHIP (16Cxxxx 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	?	-	-	?	-

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	?	-

6812 Family

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