Microcontroller
Freescale Semiconductor Data Sheet: Technical Data
MCF51AC256 Series ColdFire Microcontroller
Covers:MCF51AC256A MCF51AC...
Description
Freescale Semiconductor Data Sheet: Technical Data
MCF51AC256 Series ColdFire Microcontroller
Covers:MCF51AC256A MCF51AC256B MCF51AC128A MCF51AC128C
The MCF51AC256 series are members of the ColdFire® family of 32-bit variable-length reduced instruction set (RISC) microcontroller. This document provides an overview of the MCF51AC256 series, focusing on its highly integrated and diverse feature set.
The MCF51AC256 series are based on the V1 ColdFire core and operates at processor core speeds up to 50.33 MHz. As part of Freescale’s Controller Continuum®, it is an ideal upgrade for designs based on the MC9S08AC128 series of 8-bit microcontrollers. The MCF51AC256 features the following functional units:
V1 ColdFire core with background debug module
Up to 256 KB of flash memory Up to 32 KB of static RAM (SRAM) Up to two analog comparators (ACMP) Analog-to-digital converter (ADC) with up
to 24 channels Controller-area network (CAN) Cyclic redundancy check (CRC) Inter-integrated circuit (IIC) Keyboard interrupt (KBI) Multipurpose clock generator (MCG) Rapid general-purpose input/output
(RGPIO)
Document Number: MCF51AC256 Rev.7, 9/2011
MCF51AC256
80 LQFP 14 mm 14 mm
64 LQFP 10 mm 10 mm
44 LQFP 10 mm 10 mm
64 QFP 14 mm 14 mm
Two serial communications interfaces (SCI) Up to two serial peripheral interfaces (SPI) Two flexible timer modules (FTM) Timer pulse-width modulator (TPM)
This document contains information on a product under developmen...
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