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MCF51EM128 - ColdFire Microcontroller

Download the MCF51EM128 datasheet PDF. This datasheet also covers the MCF51EM256 variant, as both devices belong to the same coldfire microcontroller family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

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

📁 Similar Datasheet

Part Number Description Manufacturer
MCF51EM256 ColdFire Microcontroller NXP
MCF51AG128 ColdFire Microcontroller NXP
MCF51JE128 high-performance ColdFire V1 family of 32-bit microcontrollers(MCUs) Motorola Semiconductor
MCF51JE256 high-performance ColdFire V1 family of 32-bit microcontrollers(MCUs) Motorola Semiconductor
MCF5206 MCF5206 Integrated Microprocessor Motorola

Other Datasheets by Freescale Semiconductor (now NXP Semiconductors)

Part Number Description
MCF51EM256 ColdFire Microcontroller
MCF51AC128A Microcontroller
MCF51AC128C ColdFire Microcontroller
MCF51AC256 Microcontroller
MCF51AC256A Microcontroller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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. 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.