MCF51EM256 User Reference Manual Guide

●Overview

●MCF51EM256 is NXP®.s smart-meter-on-a-chip 32-bit ColdFire® V1 core microcontroller (MCU) with embedded LCD controller, 16-bit analog-to-digital converter (ADC), and metrology-specific peripherals optimized for smart meter applications. MCF51EM256 comes with a full suite of hardware and software tools that make development quick and easy.

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●## Features

● 32-bit V1 ColdFire® CPU offering 47 MIPS at 50 MHz 3.3-volt single supply

● Up to 256 KB flash (dual bank)

● Up to 16 KB SRAM

● Low-power operation mode

● 4 x 16-bit segmentation and reassembly (SAR) ADC

● 288 segment LCD driver

● Up to 50 general purpose input/output (GPIO)

● Integrated real-time clock (RTC)

● Automatic meter reading (AMR) serial peripheral interface (SPI)

● Background debug mode (BDM) for in-circuit debugging

● The MCF51EM256 is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch

●## Features