CL-PD6833
PCI-to-CardBus Host Adapter
10.1
General Mapping Registers for I/O Mode
10.1.1
Gen Map 0–6 Start Address Low (I/O)
Register Name: Gen Map 0–6 Start Address Low (I/O)
I/O Index: 08h, 0Ch, 10h, 18h, 20h, 28h, 30h
Register Per: socket
Register Compatibility Type: 365
Memory Offset: 808h, 80Ch, 810h, 818h, 820h, 828h, 830h
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Start Address 7:0 (I/O)
R/W:00000000
There are seven separate Gen Map Start Address Low registers, each with identical fields. These
registers are located at the following indexes:
Index
Memory Offset
Gen Map Start Address Low
Default Operation
08h
0Ch
10h
18h
20h
28h
30h
808h
80Ch
810h
818h
820h
828h
830h
Gen Map 5 Start Address Low
Gen Map 6 Start Address Low
Gen Map 0 Start Address Low
Gen Map 1 Start Address Low
Gen Map 2 Start Address Low
Gen Map 3 Start Address Low
Gen Map 4 Start Address Low
I/O Window 0
I/O Window 1
Memory Window 0
Memory Window 1
Memory Window 2
Memory Window 3
Memory Window 4
Bits 7:0 — Start Address 7:0 (I/O)
This register contains the least-significant byte of the address that specifies where the I/O space
corresponding to the I/O map begins. I/O accesses that are equal or above this address and equal
or below the corresponding Gen Map End Address are mapped into the I/O or memory space of
the corresponding PC Card depending on the appropriate bit of the PC Card Space Control
register.
June 1998
119
ADVANCE DATA BOOK v0.3
GENERAL WINDOW MAPPING
REGISTERS