Motorola MVME172 - Manual (Page 187)

GCSR Programming Model
http://www.mcg.mot.com/literature 2-109
2
General Purpose Register 2
This register is a general purpose register that allows a local bus master to
communicate with a VMEbus master. The function of this register is not
defined by the hardware specification.
General Purpose Register 3
This register is a general purpose register that allows a local bus master to
communicate with a VMEbus master. The function of this register is not
defined by the hardware specification.
ADR/SIZ Local Bus: $FFF40110/VMEbus: $XXY8 (16 bits)
BIT 15 . . . 0
NAME General Purpose Register 2
OPER R/W
RESET 0 PS
ADR/SIZ Local Bus: $FFF40114/VMEbus: $XXYA (16 bits)
BIT 15 . . . 0
NAME General Purpose Register 3
OPER R/W
RESET 0 PS