MCF51EM ColdFire® Microcontrollers

NXP Semiconductor MCF51EM devices are smart-meter-on-a-chip 32-bit ColdFire® V1 Microcontrollers with an embedded LCD controller, a 16-bit analog to digital converter, and metrology-specific peripherals optimized for smart meter applications. These high-performance MCUs include RTC with tamper detection and dual 128K / 64K blocks of Flash for robust field firmware updates. MCF51EM256 and MCF51EM128 MCUs allow designers to develop a turnkey electrical metering solution with customized silicon designed specifically for the electrical metering market. NXP Semiconductor MCF51EM MCUs include AMR SPI, tamper detection, and a 100-pin LQFP package.

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Qty. RoHS ECAD Model Series
Mounting Style
Package/Case
Core
Program Memory Size
Data RAM Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
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NXP Semiconductors 32-bit Microcontrollers - MCU MCF51EM 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 100
Datasheet
479In Stock
Min.: 1
Mult.: 1

MCF51EM SMD/SMT LQFP-100 ColdFire V1 256 kB 16 kB 32 bit 16 bit 50.33 MHz 47 I/O 1.8 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51EM 32-bit MCU, ColdFire V1 core, 128KB Flash, 50MHz, QFP 80
Datasheet
Product Comments
Non-Stocked Lead-Time 16 Weeks
Min.: 450
Mult.: 450

MCF51EM SMD/SMT LQFP-80 ColdFire V1 128 kB 16 kB 32 bit 50 MHz 1.8 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51EM 32-bit MCU, ColdFire V1 core, 128KB Flash, 50MHz, QFP 100
Datasheet
Product Comments
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

MCF51EM SMD/SMT LQFP-100 ColdFire V1 128 kB 16 kB 32 bit 50 MHz 1.8 V 3.6 V - 40 C + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51EM 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 80
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

MCF51EM SMD/SMT LQFP-80 ColdFire V1 256 kB 16 kB 32 bit 16 bit 50.33 MHz 40 I/O 1.8 V 3.6 V - 40 C + 85 C Tray