Freescale Semiconductor
Data Sheet: Advance Information
Document Number: MCF51AC256
Rev.1 , 06/2008
MCF51AC256
80 LQFP
14 mm
×
14 mm
64 LQFP
10 mm
×
10 mm
MCF51AC256 ColdFire
Microcontroller
The MCF51AC256 is a member 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 is 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 KBytes of flash memory
• Up to 32 Kbytes 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)
• Two serial communications interfaces (SCI)
• Up to two serial parallel interfaces (SPI)
• Two flexible timer modules (FTM)
• Timer pulse-width modulator (TPM)
64 QFP
14 mm
×
14 mm
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. All rights reserved.
Preliminary—Subject to Change Without Notice
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
