Arch Meter Corporation

Single Phase Meter IC

Features

• • Exceeds IEC62053-22/ANSI C12.20 standard
  • Single Phase Meter IC with high accuracy ADC with SNR > 80 dB
  • Single Phase Meter IC support CT and Shunt measurement
  • Built-in internal temperature and battery sensor with 10-bit ADC
  • Built-in PLL (32.768K to 16MHz)
  • DSP-MCU dual core with 8051 compatible programming
  • 16KB data memory space
  • 64KB program space
  • 5 Timers + Watch dog timer
  • 3 UARTs for IR、AMR and extended communication
  • Low power consumption RTC with frequency adjust capability
  • I 2C interface
  • SPI interface
  • Up to 57 general purpose I/O pins
  • LCD driver with charge pump(up to 160 pixels)
  • Clock rate programmable and shut down for each block
  • 128-lead LQFP package