Programming Considerations; Table 2-6. Vmechip2 Memory Map (Sheet 3 Of 3) - Motorola MVME1603 Installation And Use Manual

Programming Considerations

2
VMEchip2 GCSR Base Address = $BASE + 0100
Offsets
VME- Local
bus Bus
0 0
2 4
4 8
6 C
8 10
A 14
C 18
E 1C
Programming Considerations
2-16

Table 2-6. VMEchip2 Memory Map (Sheet 3 of 3)

15 14 13 12 11
CHIP REVISION
LM3 LM2 LM1 LM0 SIG3
GENERAL PURPOSE CONTROL AND STATUS REGISTER 0
GENERAL PURPOSE CONTROL AND STATUS REGISTER 1
GENERAL PURPOSE CONTROL AND STATUS REGISTER 2
GENERAL PURPOSE CONTROL AND STATUS REGISTER 3
GENERAL PURPOSE CONTROL AND STATUS REGISTER 4
GENERAL PURPOSE CONTROL AND STATUS REGISTER 5
Good programming practice dictates that only one MPU at a time have
control of the MVME1603/1604 control registers. Of particular note are:
Registers that modify the address map
Registers that require two cycles to access
VMEbus interrupt request registers
10 9 8 7 6
SIG2 SIG1 SIG0 RST ISF
5 4 3 2 1
CHIP ID
BF SCON SYSFL X X
0
X