Flexis™ 32-bit ColdFire®. V1 Microcontrollers

MCF51JE

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The MCF51JE256/128 (JE256/128) provides ultra low-power operation, USB connectivity and high measurement accuracy, all in a single 32-bit microcontroller (MCU), allowing designers to develop a more fully featured system at a lower cost. The JE256/128 integrates high-resolution analog-to-digital converter (ADC) and digital-to-analog converter (DAC) modules, rich peripheral set including a USB 2.0 host/device/on-the-go controller, multiple serial interfaces and an external bus interface.

The JE256/128 is part of Our Flexis® MCU series, which includes both 8-bit S08 and 32-bit V1 ColdFire® MCUs that have a common set of peripherals and development tools to deliver the ultimate in migration flexibility. NXP® provides a comprehensive suite of development tools and software to help developers design quickly and easily.

Product Details

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Block Diagram

ColdFire MCF51JE Microcontroller Block Diagram

ColdFire MCF51JE Microcontroller Block Diagram
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Features

  • On-chip memory
    • Up to 256 KB flash
    • Up to 32 KB SRAM
    • Mini FlexBus (external bus interface)
  • Measurement engine unit
    • 12-bit SAR ADC-high resolution ADC
    • Programmable delay block
    • PRACMP - analog comparator with 5-bit DAC
    • Internal voltage reference
  • Communication peripherals
    • USB device/host/on-the-go controller
    • 2 x serial peripheral interface (SPI)
    • 2 x serial communication interface (SCI)
    • I²C
  • Timers
    • 2 x 4-channel timer
    • Pulse width modulator
    • Time of day module
    • Carrier modulator timer
  • System integration
    • 2 x keyboard interrupts (KBI)
    • Low-voltage indicator
    • Low-power stop 2 current:500 nA (32 KB of active SRAM)
  • This product is included in NXP’s product longevity program, with assured supply for a minimum of 15 years after launch

Key Parametrics

  • Status
    Active
  • Flash (kB)
    128, 256
  • RAM (kB)
    32
  • GPIO
    47, 48, 65, 69

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