User guide

Arch Meter Corporation PS1000 Ver1.2
PS1000Rev. 1.2 May 2006
7/ 67
www.archmeter.com
2. Mode Control
The PS1000 has several modes for different operation. The mode is controlled
by the MODE and EA setting. Here is the configuration list.
Mode EA MCU ROM RAM Notes
000 0 Internal External Flash XDATA+ I/O Memory Normal Operation 1
000 1 Internal Shadow RAM
(Power On)
XDATA+ I/O Memory Normal Operation 1
001 0 Internal External Flash Shadow RAM + I/O Memory ICP Mode
001 1 Internal Internal 2K ROM Shadow RAM + I/O Memory ICP Mode
010 x External Shadow RAM + I/O Memory External 51 Mode 1
011 0 Internal External Flash XDATA+ I/O Memory Normal Operation 2
011 1 Internal Shadow RAM XDATA+ I/O Memory Normal Operation 2
100 x External Shadow + XData + I/O Memory Memory Test Mode
101 x External I/O Memory External 51 Mode 2
110 0 Non Analog Test Mode 1
110 1 Non Analog Test Mode 2
111 x Non Memory BIST
For the detail description for each mode, please reference the section 7 MCU.