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68HC12 Family

Device	ROM (Bytes)	RAM (Bytes)	EEPROM (Bytes)	FLASH (Bytes)	Timer	I/O	Serial	A/D	PWM	Operating Voltage (V)	Max Bus Frequency (MHz)	Temp.	Package Options	Avail.	Comments	Documentation
XC68HC12A0	--	1K	--	--	8-CH 16-Bit IC or OCRTI, pulse accumulator	Up to 61	Dual SCI SPI	8-CH 8-Bit	--	5	8	C	112 LQFP (PV)	Now	Same as 68HC812A4 without EEPROM. Non-muxed bus, 7 programmable chip selects, KBI (24 pins), PLL, BDM, 5Mbyte external memory,3.0-3.6V 5MHz version (XC68C12A0)	MC68HC812A4TS/D (to be replaced by MC68HC812A4/D in late Q2)
XC68HC812A4	--	1K	4K	--	8-CH 16-Bit IC or OCRTI, pulse accumulator	Up to 91	Dual SCI SPI	8-CH8-Bit	--	5, 3	8, 5	C	112 LQFP (PV)	Now	Non-muxed bus, 7 programmable chip selects, KBI (24 pins), PLL, BDM, 5Mbyte external memory,3.0-3.6V 5MHz version (XC68C812A4).	MC68HC812A4TS/D (to be replaced by MC68HC812A4/D in late Q2)
XC68HC912B32	--	1K	768	32K	8-CH 16-Bit IC or OC RTI, pulse accumulator	Up to 63	SCI, SPI J1850	8-CH 8-Bit	4-CH 8-Bit or 2-CH 16-Bit	5	8	C	80 QFP (FU)	Now	J1850, muxed bus, BDM	MC68HC912B32/D
PC68HC912BC32	--	1K	768	32K	8-CH 16-Bit IC or OC RTI, pulse accumulator	Up to 63	SCI, SPI J1850	8-CH 8-Bit	4-CH 8-Bit or 2-CH 16-Bit	5	8	C	80 QFP (FU)	LTD	Limited availability until 4Q 99, J1850, muxed bus, BDM	MC68HC912BC32TS/D
XC68HC12BE32	32K	1K	768	--	8-CH 16-Bit IC or OCRTI, pulse accumulator	Up to 63	SCI, SPI J1850	8-CH 8-Bit	4-CH 8-Bit or 2-CH 16-Bit	5	8	C	80 QFP (FU)	Now	BDM, enhanced timer	68HC912B32/D
68HC12 Reference Manual
68HC12 Reference Manual			CPU12RM/AD

1. All 68HC12 MCUs incorporate a COP watchdog timer