User guide

Arch Meter Corporation PS1000 Ver1.2
PS1000Rev. 1.2 May 2006
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www.archmeter.com
The mode setting quick reference table is shown as below.
Mode EA MCU ROM RAM Notes
000 0 Internal External Flash XDATA + I/O Memory Normal Operation 1
000 1 Internal Internal Flash XDATA + I/O Memory Normal Operation 1
001 0 Internal External Flash Flash + I/O Memory ICP Mode
001 1 Internal Internal ICP ROM Flash + I/O Memory ICP Mode
010 x External XDATA + I/O Memory External 51 Mode 1
011 0 Internal External Flash XDATA+ I/O Memory Factory Test Mode
011 1 Internal Internal Flash XDATA+ I/O Memory Factory Test Mode
100 x External Internal Memory + I/O Memory Memory Test Mode
101 x External I/O Memory External 51 Mode 2
110 0 Non Analog Test Mode1
110 1 Non Analog Test Mode 2
111 x Non Memory BIST
Notes:
1. The “Normal Operation Mode” 1/2 is similar; the difference is “Normal
Operation Mode 1” will trigger the power on sequence circuit.
2. The “External MCU Mode” 1/2 is similar; the difference is the XDATA
memory space mapping.
For some other special MCU interface function please reference next several
sections for the SPI, I2C and SSP I/O interface.