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MCF51JM128

ColdFire Microcontroller

Freescale Semiconductor 

MCF51JM128 Family Configurations

• Controller area network (MSCAN)

— Implementation of the CAN protocol — Version 2.0A/B

— Five receive buffers with FIFO storage scheme

— Three transmit buffers with internal prioritization using a “local priority” concept

— Flexible maskable identifier filter programmable as 2x32-bit, 4x16-bit, or 8x8-bit

— Programmable wakeup functionality with integrated low-pass filter

— Programmable loopback mode supports self-test operation

— Programmable bus-off recovery functionality

— Internal timer for time-stamping of received and transmitted messages

• Cryptographic acceleration unit (CAU)

— Co-processor support of DES, 3DES, AES, MD5, and SHA-1

• Random number generator accelerator (RNGA)

— 32-bit random number generator that complies with FIPS-140

• Analog-to-digital converter (ADC)

— 12-channel, 12-bit resolution

— Output formatted in 12-, 10-, or 8-bit right-justified format

— Single or continuous conversion, and selectable asynchronous hardware conversion trigger

— Operation in Stop3 mode

— Automatic compare function

— Internal temperature sensor

• Analog comparators (ACMP)

— Selectable interrupt on rising edge, falling edge, or either rising or falling edges of comparator output

— Option to compare to fixed internal bandgap reference voltage

— Option to route output to TPM module

— Operation in Stop3 mode

• Inter-integrated circuit (IIC)

— Up to 100 kbps with maximum bus loading

— Multi-master operation

— Programmable slave address

— Supports broadcast mode and 10-bit address extension

• Serial communications interfaces (SCI)

— Two SCIs with full-duplex, non-return-to-zero (NRZ) format

— LIN master extended break generation

— LIN slave extended break detection

— Programmable 8-bit or 9-bit character length

— Wake up on active edge

• Serial peripheral interfaces (SPI)

— Two serial peripheral interfaces with full-duplex or single-wire bidirectional

— Double-buffered transmit and receive

— Programmable transmit bit rate, phase, polarity, and Slave Select output

— MSB-first or LSB-first shifting

• Timer/pulse width modulator (TPM)

— 16-bit free-running or modulo up/down count operation

— Up to eight channels, where each channel can be an input capture, output compare, or edge-aligned PWM

— One interrupt per channel plus terminal count interrupt

MCF51JM128 ColdFire Microcontroller, Rev. 3

Freescale Semiconductor

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