mcf51ac256 Freescale Semiconductor, Inc, mcf51ac256 Datasheet - Page 8

• Manufacturer Part Number: mcf51ac256
• Description: Mcf51ac256 Coldfire Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MCF51AC256 Family Configurations
1.4
8
•
•
•
(MCF = Fully Qualified ColdFire)
(PCF = Product Engineering)
— Flexible maskable identifier filter supports two full-size (32-bit) extended identifier filters, four 16-bit filters, or
— Programmable wakeup functionality with integrated low-pass filter
— Programmable loopback mode supports self-test operation
— Programmable listen-only mode for monitoring of CAN bus
— Programmable bus-off recovery functionality
— Separate signalling and interrupt capabilities for all CAN receiver and transmitter error states (warning, error
— Internal timer for time-stamping of received and transmitted messages
Serial communications interfaces (SCI)
— Full-duplex, standard non-return-to-zero (NRZ) format
— Double-buffered transmitter and receiver with separate enables
— Programmable baud rates (13-bit modulo divider)
— Interrupt-driven or polled operation
— Hardware parity generation and checking
— Programmable 8-bit or 9-bit character length
— Receiver wakeup by idle-line or address-mark
— Optional 13-bit break character generation / 11-bit break character detection
— Selectable transmitter output polarity
Serial peripheral interfaces (SPI)
— Master or slave mode operation
— Full-duplex or single-wire bidirectional option
— Programmable transmit bit rate
— Double-buffered transmit and receive
— Serial clock phase and polarity options
— Slave select output
— Selectable MSB-first or LSB-first shifting
— 16-bit and FIFO operations in SPI2
Input/Output
— 69 GPIOs
— 8 keyboard interrupt pins with selectable polarity
— Hysteresis and configurable pull-up device on all input pins; Configurable slew rate and drive strength on all
— 16-bits Rapid GPIO pins connected to the processor’s local 32-bit platform bus with set, clear, and faster toggle
Part Numbers
eight 8-bit filters
passive, bus-off)
output pins
functionality
Status
Family
Core
MCF51AC256 ColdFire Microcontroller Data Sheet, Rev.1
MCF
Preliminary—Subject to Change Without Notice
51
AC 256
X
V
XX E
Temperature range
(V = –40°C to 105°C, C= –40°C to 85°C )
CAN Feature (A: With CAN, B/C: Without CAN)
Pb free indicator
Package designator
Memory size designator
Freescale Semiconductor