
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
121
PRELIMINARY DATA SHEET v3.1
a
The value for CL-PD6710 is ‘0’, and the value for CL-PD6722 is ‘1’.
b
This read-only value depends on the revision level of the CL-PD67XX chip.
c
The value for CL-PD6722 is ‘1’.
Register Name:
Misc Control 2
Index:
1Eh
Bit
7
Register Per: chip
Register Compatibility Type: ext.
Bit
1
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
IRQ15 Is RI
Out
DMA System
(CL-PD6722)
Three-State
Bit 7
Drive LED
Enable
5V Core
Suspend
Low-Power
Dynamic
Mode
RW:1
Bypass
Frequency
Synthesizer
RW:0
RW:0
RW:0
RW:0
RW:0
RW:0
RW:0
Register Name:
Chip Information
Index:
1Fh
Bit
7
Register Per: chip
Register Compatibility Type: ext.
Bit
1
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Cirrus Logic Host-Adapter
Identification
Dual/Single
Socket*
CL-PD67XX Revision Level
Reserved
R:11
R:n
a
R:nnnn
b
R:n
c
Register Name:
ATA Control
Index:
26h
Bit
7
Register Per: socket
Register Compatibility Type: ext.
Bit
1
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
A25/CSEL
A24/M/S*
A23/VU
A22
A21
Scratchpad Bit
Speaker Is
LED Input
ATA Mode
RW:0
RW:0
RW:0
RW:0
RW:0
RW:0
RW:0
RW:0
Register Name:
Extended Index (CL-PD6722 only)
Index:
2Eh
Bit
7
Bit
6
Register Per: socket
Register Compatibility Type: ext.
Bit
1
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Extended Index
RW:00000000
Register Name:
Extended Data (CL-PD6722 only)
Index:
2Fh
Bit
7
Bit
6
Register Per: socket
Register Compatibility Type: ext.
Bit
1
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Extended Data