MCF51EM256 32-Bit MCU for Smart Meter Applications

MCF51EM256 32-Bit MCU for Smart Meter Applications | NXP Semiconductors

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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.

Data Sheet

Reference Manual

Product Details

Block Diagram

ColdFire MCF51EM Microcontroller Block Diagram

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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

Buy/Parametrics

Part Show description	Status	Package Termination Count	Package Type	Flash (kB)	RAM (kB)	Operating Frequency [Max] (MHz)	Supply Voltage [max] (V)	Supply Voltage [min] (V)	GPIO	Ambient Operating Temperature (Min to Max) (℃)
MCF51EM128CLK Data Sheet	Active	80	LQFP80	128	8	50	3.6	1.8	40	-40 to 85
MCF51EM128CLL Data Sheet	Active	100	LQFP100	128	8	50	3.6	1.8	47	-40 to 85
MCF51EM256CLK Data Sheet	Active	80	LQFP80	256	16	50	3.6	1.8	40	-40 to 85
MCF51EM256CLL Data Sheet	Active	100	LQFP100	256	16	50	3.6	1.8	47	-40 to 85