MCF51EM256 Datasheet, PDF (1/54 Pages) Freescale Semiconductor, Inc – ColdFire Microcontroller

Freescale Semiconductor
Data Sheet: Advance Information
Document Number: MCF51EM256
Rev.2, 4/2010
MCF51EM256 Series
ColdFire Microcontroller
Covers: MCF51EM256
MCF51EM128
The MCF51EM256/128 series microcontrollers are
a member of the ColdFire^® family of reduced
instruction set computing (RISC) microprocessors.
This document provides an overview of these
32-bit microcontrollers, focusing on their highly
integrated and diverse feature set.
These microcontrollers are systems-on-chips
(SoCs) that are based on the V1 ColdFire core and
the following features:
• Operating at processor core speeds up to
50.33 MHz (peripherals operate at half of
this speed) at 3.6 V to 2.5 V and 20 MHz at
2.5 V to 1.8 V
• Up to 256 KB of flash memory
• Up to 16 KB of RAM
• Less than 1.3 μA of typical power
consumption in battery mode, with MCU
supply off
• Ultra-low power independent RTC with
calendar features, separate time base, power
domain, and 32 bytes of RAM
• A collection of communications
peripherals, including UART, IIC and SPI
• Integrated 16-bit SAR analog-to-digital
converter
• Programmable delay block (PDB)
• Two analog comparators with selectable
interrupt (PRACMP)
• LCD driver
MCF51EM256
80 LQFP
14 mm × 14 mm
917A-03
100 LQFP
14 mm × 14 mm
983-02
• Three serial communications interface
modules (SCI)
• Three serial peripheral interfaces
• Inter-integrated circuit (IIC)
• Two 8-bit and one 16-bit modulo timers
(MTIM)
• Two-channel timer/PWM module (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., 2008-2010. All rights reserved.
Preliminary—Subject to Change Without Notice