Motorola MVME1X7P - Manual (Page 212)

3-14 Computer Group Literature Center Web Site
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