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MCF51EM256CLL

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MCF51EM256CLL 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.

ECAD Model

Symbol

MCF51EM256CLL

Footprint

MCF51EM256CLL

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

Applications

MCF51EM

Specifications

  • Core Processor Coldfire V1

  • Speed 50MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 16K x 8

  • Number of I/O 63

  • Peripherals LCD, LVD, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type External

  • Supplier Device Package 100-LQFP (14x14)

  • Package / Case 100-LQFP

  • Core Size 32-Bit

  • Connectivity I2C, SCI, SPI

  • Program Memory Size 256KB (256K x 8)

  • Data Converters A/D 16x12b

  • Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

Circuit Diagram

MCF51EM

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