User guide

Arch Meter Corporation PS1000 Ver1.2
PS1000Rev. 1.2 May 2006
4/ 67
www.archmeter.com
PS1000 contains the following major subsystems
The detail description for each block is described in each section.
PS1000 has several different package types. For the detail pin assignment, please
reference the Section 14. The detail PIN description is shown in below.
Name Type Description
VCC3A Power (3.3V) 3.3V Analog power supply
VCCIO Power (3.3V) 3.3V I/O Power supply
VCCK Power(2.5V) 2.5V Core power
VREG25 O Regulator 2.5V output
VSSA Ground Analog Ground
GND Ground I/O, Digital Ground
VCCRTC Power(2.5V) RTC power supply (2.5V)
RTCXI I RTC crystal input (32.768K)
RTCXO O RTC crystal output
RTCGND Ground RTC Crystal ground
OSCVCC Power(2.5V) Crystal power supply (2.5V)
XTLI I System Crystal input (24MHz)
 2 CH 16-bit ADC with AGC for current input(1x/2x/4x/8x)
 1 CH 16-bit ADC for voltage input
 Built-in internal temperature sensor with 10-bit ADC
 Built-in 32-bit hardware DSP core (256x32 program space)
 8032T high performance MCU
 256B internal data memory space
 16KB external data memory space
 64KB program space
 Timer x 3 (including a Watch Dog Timer)
 UART x 3 (UART2/UART3 mapped to same timer)
 I2C interface
 TI DSP SSP interface
 SPI EEPROM interface
 16 GPIO
 40x4 LCD Controller/Driver
 1/4 LCD Bias