CL-PD6833
PCI-to-CardBus Host Adapter
11.8.2 PC Card Space Control
Register Name: PC Card Space Control
I/O Index: 2Fh Extended Index: 23h
Memory Offset: 923h
Bit 7
Bit 6
Bit 5
Gen Map 6
PC Card
Type
Gen Map 5
PC Card
Type
Reserved
R/W:1
R/W:1
R/W:0
Bit 4
Gen Map 4
PC Card
Type
R/W:0
Bit 3
Gen Map 3
PC Card
Type
R/W:0
Register Per: socket
Register Compatibility Type: ext
Bit 2
Gen Map 2
PC Card
Type
R/W:0
Bit 1
Gen Map 1
PC Card
Type
R/W:0
Bit 0
Gen Map 0
PC Card
Type
R/W:0
Bits 7:6, 4:0 — Gen Map [6:0] PC Card Type
0
General Map configured for PC Card Memory offset and commands.
1
General Map configured for PC Card I/O offset and commands.
If the corresponding bit in the Window Type Select register is set, and the PC Card Space Control
bit is reset, then accesses through this window are memory commands to the PC Card. If the
corresponding bit in the Window Type Select register is set and the PC Card Space Control bit
is set, then accesses through this window are I/O commands to the PC Card.
If the corresponding bit in the Window Type Select register is reset, this bit is ignored.
Bit 5 — Reserved
11.8.3 Window Type Select
Register Name: Window Type Select
I/O Index: 2Fh Extended Index: 24h
Memory Offset: 924h
Bit 7
Bit 6
Bit 5
Gen Map 6
Type
R/W:0
Gen Map 5
Type
R/W:0
Reserved
R/W:0
Register Per: socket
Register Compatibility Type: ext
Bit 4
Gen Map 4
Type
R/W:0
Bit 3
Gen Map 3
Type
R/W:0
Bit 2
Gen Map 2
Type
R/W:0
Bit 1
Gen Map 1
Type
R/W:0
Bit 0
Gen Map 0
Type
R/W:0
Bits 7:6, 4:0 — Gen Map [6:0] Type
0
General Map registers configured for default operation.
1
General Map registers configured for programmable operation.
When these bits are set, the corresponding general windows are programmable with the PCI
Space Control and PC Card Space Control registers. The controls for the Window Data Size,
Timer Select, and Auto Data Size bits are programmed in the Gen Map Extra Control registers.
When these bits are reset, the corresponding General Map registers revert to their default
configuration. The controls for the Window Data Size, Timer Select, and Auto Data Size bits comes
from the I/O Window Control, Memory Map Start Address High, and Memory Map End
Address High registers.
Bit 5 — Reserved
150
EXTENSION REGISTERS
ADVANCE DATA BOOK v0.3
June 1998