NXP Semiconductors 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.
Features
- 32-bit V1 ColdFire CPU offering 47MIPS at 50MHz 3.3V single supply
- Up to 256 KB flash (dual bank)
- Up to 16 KB SRAM
- 4 Low power operation mode
- 4 x 16 bit SAR ADC
- 288 segment LCD driver
- Up to 50 general purpose input/output (GPIO)
- iRTC
- AMR SPI
- Background debug mode (BDM) for in-circuit debugging
Applications
- Smart netering
- Sensor collect
- Phase neasurement units
- Industrial energy measurement
- 1- phase and 3- phase electricity meters
Block Diagram
Pubblicato: 2010-07-14
| Aggiornato: 2022-03-11