AT&T 3B2/300 Technical Reference Manual page 496

- - - - - - - - - - - - - - - - - - - - - - - - - - - FUNCTIONAL DESCRIPTION
SCSI HOST ADAPTER CARD OUTPUT ADDRESS MAP (Contd)
MEMORY
1/0
CHIP
WIDTH SIZE
ADDRESS ADDRESS SELECT
DESCRIPTION ACCESS
(BITS) (BYTES)
Ox C0300
Ox 0700 PS6 DUART MODE REGISTER A READ/WRITE 16 2
Ox C0302 Ox 0702 PS6 DU ART ST A TUS REGISTER A READ 16 2
Ox C0302 Ox 0702 PS6
DUART CLOCK REGISTER A WRITE 16 2
Ox C0304 Ox 0704 PS6 DUART (RESERVED READ 16 2
Ox C0304 Ox 0704 PS6 DUART COMMAND REGISTER A WRITE 16 2
Ox C0306 Ox 0706 PS6 DUART RECEIVE HOLD REGISTER A READ 16 2
Ox C0306 Ox 0706 PS6
DUART TRANSMIT HOLD REGISTER A WRITE 16 2
Ox C0308
Ox 0708 PS6 DUART !PC REGISTER READ 16 2
Ox C0308 Ox 0708 PS6 DUART AUXILIARY CONTROL REGISTER WRITE 16 2
Ox C030A
Ox 070A PS6
DUART INTERRUPT STATUS REGISTER READ 16
2
Ox C030A Ox 070A PS6 DUART INTERRUPT MASK REGISTER WRITE 16
2
Ox C030C Ox 070C PS6 DUART CONTROL, TIMER UPPER REGISTER READ/WRITE 16 2
Ox C030E Ox 070E PS6 DUART CONTROL, TIMER LOWER REGISTER READ/WRITE 16 2
Ox C0310 Ox 0710 PS6 DUART MODE REGISTER B READ/WRITE 16 2
Ox C0312 Ox 0712 PS6 DUART STATUS REGISTER B READ 16 2
Ox C0312 Ox 0712 PS6 DUART CLOCK REGISTER B WRITE 16 2
Ox C0314 Ox 0714 PS6 DUART (RESERVED READ 16 2
Ox C0314 Ox 0714 PS6 DUART COMMAND REGISTER B
WRITE 16 2
Ox C0316 Ox 0716 PS6 DUART RECEIVE HOLD REGISTER B READ 16 2
Ox C0316
Ox 0716
PS6 DUART TRANSMIT HOLD REGISTER B WRITE
16 2
Ox C0318
Ox 0718 PS6
(RESERVED)
READ/WRITE 16 2
Ox C031A Ox 071A PS6 DUART INPUT PORT READ 16 2
Ox C031A Ox 071A PS6
DUART OUTPUT PORT
WRITE 16 2
Ox C031C Ox 071C PS6 DUART START COUNT COMMAND -
- 1
Ox C031C Ox 071C PS6 DUART SET OP BITS - -
1
Ox C031E Ox 071E PS6 DUART STOP COUNT COMMAND
-
-
1
Ox C031E Ox 071E PS6 DUART RESET OP BITS -
- 1
Ox C0320 Ox 0720 PS6 DUART RESET WRITE
- 16
' ' ' '
I ' I
' ' ' ' '
Ox C032F Ox 072F PS6 DUART RESET WRITE - 16
Ox C0400 Ox FFOO 80186 80186 CONTROL BLOCK -
- 256
Ox C0420 Ox FF20 80186 INTERRUPT CONTROL
READ/WRITE 16 32
Ox C0450 Ox FFSO 80186 TIMER O CONTROL
READ/WRITE 16 8
Ox C0458 Ox FF58 80186 TIMER 1 CONTROL
READ/WRITE 16 8
Ox C0460 Ox FF60 80186 TIMER 2 CONTROL
READ/WRITE 16 8
Ox C04AO Ox FFAO 80186 CHIP SELECT CONTROL
READ/WRITE 16 10
Ox C04CO Ox FFCO 80186 DMA O CONTROL
READ/WRITE 16 12
Ox C04DO Ox FFDO 80186 OMA 1 CONTROL READ/WRITE
16 12
Ox C04FE Ox FFFE 80186 RELOCATION REGISTER READ/WRITE 16
2
Ox F8000 -
ucs
ROM
READ/WRITE 16 32K
Figure 3-74: CM195W SCSI Host Adapter Card Address Map (Sheet 2 of 2)
FUNCTIONAL DESCRIPTION 3-243