PL8333 datasheet(2/2 Pages) ETC2

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PL8333

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 / I

2C interface for EEPROM

•

IrDa/UART/IR interface 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 (AP) or to 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 sen-

sors

• Digital temperature compensation

• Wake-up from standby mode in less than 5us

• Reference: 1.2V (20ppm/℃)

• Operation temperature range: -40℃ to +85℃

• 100-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)

LCD FEATURES

• Up to 4x32

segment

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