MCF51AC256_09 Datasheet, PDF (1/46 Pages) Freescale Semiconductor, Inc – ColdFire Microcontroller

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.4, 9/2009
MCF51AC256
80 LQFP
14 mm × 14 mm
64 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 development. Freescale reserves the
right to change or discontinue this product without notice.
© Freescale Semiconductor, Inc., 2008-2009. All rights reserved.