ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22
Register Name: Chip Information
Index: 1Fh
Register Per: chip
Register Compatibility Type: ext.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
R:n3
PC Card Controller
Identification
Dual/Single
Socket*
PD67XX Revision Level
R:nnnn2
R:11
R:n1
1. The value for PD6710 is ’0’, and the value for PD6722 is ’1’.
2. This read-only value depends on the revision level of the PD67XX chip.
3. The value for PD6722 is ‘1’.
Register Name: ATA Control
Index: 26h
Register Per: socket
Register Compatibility Type: ext.
Bit 7
A25/CSEL
RW:0
Bit 6
A24/M/S*
RW:0
Bit 5
A23/VU
RW:0
Bit 4
A22
Bit 3
A21
Bit 2
Bit 1
Bit 0
ATA Mode
RW:0
Scratchpad
Bit
Speaker Is
LED Input
RW:0
RW:0
RW:0
RW:0
Register Name: Extended Index (PD6722 only)
Index: 2Eh
Register Per: socket
Register Compatibility Type: ext.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Extended Index
RW:00000000
Register Name: Extended Data (PD6722 only)
Index: 2Fh
Register Per: socket
Register Compatibility Type: ext.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Extended Data
Register Name: Data Mask 0 (PD6722 only)
Index: 2Fh
Register Per: socket
Extended Index: 01h
Register Compatibility Type: ext.
Bit 1 Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Data Mask Select 0
RW:00000000
Datasheet
131
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