Motorola PrPMC800/800ET Processor PMC Module User Manual

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 4 Connector Pin Assignments
PrPMC800/800ET Processor PMC Module Installation and Use (PrPMC800A/IH5)
37
   
Harrier Power-Up Configuration Header
A 2mm, 16-pin low profile header located on side one of the PrPMC800/800ET provides the 
means to change some of the Harrier power-up configuration settings. The pin assignments for 
this header, along with the power-up setting with the shunt on or off, are as follows.
Table 4-7. J2 Harrier Power-Up Configuration Header Pin Assignments
J2
Shunt On
Shunt Off
1
XAD[20] 
termination
GND
2
PUST0 = 0
Harrier PUST Bit 0
in GCSR Register.
PUST0 = 1
3
XAD[21]
termination
GND
4
PUST1 = 0
Harrier PUST Bit 1
in GCSR Register.
PUST1 = 1
5
XAD[22] 
termination
GND
6
PUST2 = 0
Harrier PUST Bit 2
in GCSR Register.
PUST2 = 1
7
XAD[23]
termination
GND
8
PUST3 = 0
Harrier PUST Bit 3
in GCSR Register.
PUST3 = 1
9
XAD[28]
termination
3.3V
10
Hold off Configuration 
Space access
Configuration Space 
access enabled
1
1
XAD[26]
termination
3.3V
12
Processor held in reset 
at power-up
Processor enabled at 
power-up
1
3
XAD[19]
termination
3.3V
14
Class Code set for”I2O 
Controller”
Class Code set for 
“Bridge Device”
1
5
XAD[30] 
termination
GND
16
Xport 1uses normal 
data byte ordering
Xport 1 uses Hawk 
data byte ordering