PL8332 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Ultralow power consumption

PL8332
MICROPROCESSOR FEATURES
• 8052-based core
• Single-cycle 8MIPS (Peak)
• 32.768 kHz external crystal with built in PLL
• Accurate RTC for time-of-use functions
• H/W watchdog timer (WDT)
• External interrupt sources
• SPI / I²C interface for
EEPROM
• IrDa/UART/IR I/F for AMR
• Flash security
• 16-Bit timer
• Wake-up from I/O, temperature change, or UART
• 64kB flash memory, 2k bytes RAM
• Supply voltage supervisor/monitor with built in SAR ADC
• Serial on board programming/debugging
ENERGY MEASUREMENT FEATURES
• Exceeds IEC62053 / ANSI C12.20 standards
• Digital signal processing (DSP) provide high accuracy
active (Watt), reactive (VAR), and apparent energy (VA)
measurement
• < 0.1% Error on active energy over a Dynamic Range of
2000 to 1 @25℃
• Line voltage and frequency measurements
• Phase compensation
• High frequency outputs proportional to active, reactive,
apparent power and Irms
GENERAL FEATURES
• Wide supply voltage range: 2.4V to 5V
• Ultralow power consumption
• Normal mode:
• Total: 2.2mA @ 3V
• Sleep Mode: 3uA
• RTC only: 1.1uA
• Multi mode power saving function
• Internal switch between regulated and battery inputs
• Compatible with CTs, resistive shunts and Rogowski
Coil sensors
• Digital temperature compensation
• Wake-up from standby mode in less than 5us
• Reference: 1.2V (20ppm/℃ )
• Operation temperature range: -40℃ to +85℃
• 80-LQFP package
ADC FEATURES
• Three second-order, 24-bit, delta-sigma Analog-to-
Digital Converters
• Three differential input PGA front ADC
(Gain=1,2,4,8,16,24,32)
• 10 bit SAR ADC with temperature sensor
LCD FEATURES
• Up to 4 X 32 segment