Bitfields for AMD-645 PM Pin Configuration register:
Bit(s)	Description	)
 7	GPIO4 configuration (0 = Pin136 is GPO_WE, 1 = Pin136 is GPIO4)
 6	GPIO3 configuration (0 = Pin92 is GPI_RE#, 1 = Pin92 is GPIO3)
 5-0	reserved (0)
SeeAlso: #01049,#01051