MCF51EM256 32-Bit MCU for Smart Meter Applications
Design Files
Receive the full breakdown. See the product footprint and more in the eCad file.
MCF51EM256 32-Bit MCU for Smart Meter Applications
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.
Product Details
Block Diagram
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
Part numbers include: MCF51EM128CLK, MCF51EM128CLL, MCF51EM256CLK, MCF51EM256CLL.
Related products
Flexis 32-Bit ColdFire. V1 Microcontrollers
Buy/Parametrics
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Documentation
Quick reference to our documentation types.
1-5 of 22 documents
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Fact Sheet
MCF51EM Smart metering made easy with V1 ColdFire® ® MCU - Fact SheetFeatured
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Reference Manual
MCF51EM256 Series ColdFire® ® Integrated Microcontroller - Reference ManualFeatured
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Data Sheet
MCF51EM256 Series ColdFire® Microcontroller - Data SheetFeatured
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Reference Manual
MCF51EM256 Reference Manual Addendum
Design Resources
Hardware
Quick reference to our
board types.
5 hardware offerings
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Emulators, Probes, and ProgrammersUniversal Multilink Development InterfaceFeatured
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Emulators, Probes, and ProgrammersPEmicro Cyclone programmer
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Emulators, Probes, and ProgrammersPEmicro Cyclone FX programmer
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Additional hardware available. View our featured partner solutions.
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Emulators, Probes, and ProgrammersUniversal Multilink FX High-Speed Development Interface
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Evaluation and Development BoardsMPC5646C Devlce and Target Adapters
Software
Quick reference to our software types.
1-5 of 9 software files
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BSPs and Device Drivers
Graphical LCD Driver for MCUs/MPUsFeatured
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Configuration Tools
Processor Expert® Software – Component Development Environment v1.0.4
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Configuration Tools
Embedded Component: NXPAnalogComp
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Additional software available. View our featured partner solutions.
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OS and RTOS
Real-Time Edge Software
Note: For better experience, software downloads are recommended on desktop.
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
1 engineering service
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Independent Design House (IDH)
Hardware/Software development and testing
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To find additional partner offerings that support this product, visit our Partner Marketplace.