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MCF51EM128 Datasheet ColdFire Microcontroller

Manufacturer: Freescale Semiconductor (now NXP Semiconductors)

Download the MCF51EM128 datasheet PDF. This datasheet also includes the MCF51EM256 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (MCF51EM256_FreescaleSemiconductor.pdf) that lists specifications for multiple related part numbers.

Overview

Freescale Semiconductor Data Sheet: Advance Information Document Number: MCF51EM256 Rev.2, 4/2010 www.DataSheet4U.com MCF51EM256 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.

Key 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 UA.