Specification	MCF51AC256ACPUER

A/D Channels	20 count
A/D Resolution (bits)	12 bit
Connectivity	CANbus, I2C, SPI, SCI
Core Configuration	Single-Core
Core Processor	Coldfire V1
Core Size (Bit Width)	32 Bit
Mounting Type	Surface Mount
Number of I/O	54
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	External
Package / Case	64-LQFP
Package Length	10 mm
Package Name	64-LQFP
Package Width	10 mm
Peripherals	PWM, LVD, WDT
Program Memory Depth	256 K
Program Memory Size	256 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	32 K
RAM Size Width	8 bit
Speed	50 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	2.7 V

MCF51 Series

...

Part	Core Size (Bit Width)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Connectivity	Number of I/O	Speed	Core Processor	Mounting Type	A/D Channels	A/D Resolution (bits)	Package / Case	RAM Size Width	RAM Size Depth	Program Memory Type	Operating Temperature (Max)	Operating Temperature (Min)	Program Memory Depth (128KB)	Program Memory Size	Program Memory Width (128KB)	Peripherals	Oscillator Type	Package Length	Package Name	Package Width	Core Configuration	Program Memory Depth	Program Memory Width	Program Memory Size	D/A Resolution (bits)	D/A Channels
NXP USA Inc. MCF51JM128VLHR	32 Bit	2.7 V	5.5 V	CANbus I2C SCI SPI USB OTG	51	50 MHz	Coldfire V1	Surface Mount	12 count	12 bit	64-LQFP	8 bit	16 K	FLASH	105 °C	-40 °C	128 K	128KB	8	LVD PWM WDT	External	10 mm	64-LQFP	10 mm	Single-Core
NXP USA Inc. MCF51AC128CVFUE	32 Bit	2.7 V	5.5 V	I2C SCI SPI	54	50 MHz	Coldfire V1	Surface Mount	20 count	12 bit	64-QFP	8 bit	16 K	FLASH	105 °C	-40 °C	128 K	128KB	8	LVD PWM WDT	External	14 mm	64-QFP	14 mm	Single-Core
NXP USA Inc. MCF51EM128CLL	32 Bit	1.8 V	3.6 V	I2C SCI SPI	63	50 MHz	Coldfire V1	Surface Mount	16 count	12 bit	100-LQFP	8 bit	8 K	FLASH	85 °C	-40 °C	128 K	128KB	8	LCD LVD PWM WDT	External	14 mm	100-LQFP	14 mm	Single-Core
NXP USA Inc. MCF51JM64VLH	32 Bit	2.7 V	5.5 V	CANbus I2C SCI SPI USB OTG	51	50 MHz	Coldfire V1	Surface Mount	12 count	12 bit	64-LQFP	8 bit	16 K	FLASH	105 °C	-40 °C				LVD PWM WDT	External	10 mm	64-LQFP	10 mm	Single-Core	64 K	8 bit	64 KB
NXP USA Inc. MCF51EM256CLLR	32 Bit	1.8 V	3.6 V	I2C SCI SPI	63	50 MHz	Coldfire V1	Surface Mount	16 count	12 bit	100-LQFP	8 bit	16 K	FLASH	85 °C	-40 °C				LCD LVD PWM WDT	External	14 mm	100-LQFP	14 mm	Single-Core	256 K	8 bit	256 KB
NXP USA Inc. MCF51MM256CMB	32 Bit	1.8 V	3.6 V	CANbus EBI EMI I2C SCI SPI USB OTG	48	50 MHz	Coldfire V1	Surface Mount	8 count	16 bit	81-LBGA	8 bit	32 K	FLASH	85 °C	-40 °C				LVD PWM WDT	External	10 mm	81-MAPBGA	10 mm		256 K	8 bit	256 KB	12 bit	1 count
NXP USA Inc. MCF51QE96CLK	32 Bit	1.8 V	3.6 V	I2C SCI SPI	70	50 MHz	Coldfire V1	Surface Mount	24 count	12 bit	80-LQFP	8 bit	8 K	FLASH	85 °C	-40 °C		96KB		LVD PWM WDT	Internal	14 mm	80-LQFP	14 mm	Single-Core	96 K	8 bit	96 KB
NXP USA Inc. MCF51QU32VHS	32 Bit	1.71 V	3.6 V	EBI EMI I2C SPI UART USART	31	50 MHz	Coldfire V1	Surface Mount	11 count	12 bit	44-VFLGA Exposed Pad	8 bit	8 K	FLASH	105 °C	-40 °C				DMA LVD POR PWM WDT	External	5 mm	44-MAPLGA	5 mm		32 K	8 bit	32 KB	12 bit	1 count
NXP USA Inc. MCF51JM128EVLK	32 Bit	2.7 V	5.5 V	CANbus I2C SCI SPI USB OTG	66	50 MHz	Coldfire V1	Surface Mount	12 count	12 bit	80-LQFP	8 bit	16 K	FLASH	105 °C	-40 °C	128 K	128KB	8	LVD PWM WDT	External	14 mm	80-LQFP	14 mm	Single-Core
NXP USA Inc. MCF51AC256ACPUER	32 Bit	2.7 V	5.5 V	CANbus I2C SCI SPI	54	50 MHz	Coldfire V1	Surface Mount	20 count	12 bit	64-LQFP	8 bit	32 K	FLASH	85 °C	-40 °C				LVD PWM WDT	External	10 mm	64-LQFP	10 mm	Single-Core	256 K	8 bit	256 KB