User guide

Arch Meter Corporation PS1000 Ver1.2
PS1000Rev. 1.2 May 2006
3/ 67
www.archmeter.com
1. System Architecture
The PS1000 is an ASIC for the 1P3W (One-Phase, Three-Wire) Power Meter
(Energy Meter) application. The PS1000 integrated all the function needs for
energy meter application. The system architecture is shown in figure 1.
Figure 1. PS1000 System Architecture
DSP
Controller
DSP
ADC
ADC
ADC
AGC
AGC
LCD Controller
UART
UARTx2
SSP
RTC
Timerx2
RAM
16KB
Shadow
Flash
Watch Dog
Temp. Sensor
MCU
8032T 32-bit H/W DSP
IB
IA
VA
LCD Display
Modem
GPRS
DSP/uP
I2C
NVM
GPIO Key Pad
Vref
Zcc
Detection
Power
Detection
SPI
DSP
ROM