Chip id register, Chip revision register, Chip id register -14 chip revision register -14 – Motorola MVME1X7P User Manual
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PCCchip2
3
Chip ID Register
The Chip ID Register is located at $FFF42000. It is an 8-bit read-only
register that is hard-wired to a hexadecimal value of $20. Writes to this
register are ignored; however, the PCCchip2 always terminates the cycles
properly with TA*.
Chip Revision Register
The Chip Revision Register is located at $FFF42001. It is an 8-bit read-
only register that is hard-wired to reflect the revision level of the PCCchip2
ASIC. The current value of this register is $00. Writes to this register are
ignored; however, the PCCchip2 always terminates the cycles properly
with TA*.
ADR/SIZ
$FFF42000 (8 bits)
BIT
31
30
29
28
27
26
25
24
NAME
CID7
CID6
CID5
CID4
CID3
CID2
CID1
CID0
OPER
R
R
R
R
R
R
R
R
RESET
0
0
1
0
0
0
0
0
ADR/SIZ
$FFF42001 (8 bits)
BIT
23
22
21
20
19
18
17
16
NAME
REV7
REV6
REV5
REV4
REV3
REV2
REV1
REV0
OPER
R
R
R
R
R
R
R
R
RESET
0
0
0
0
0
0
0
0