
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
123
PRELIMINARY DATA SHEET v3.1
B.6 Timing Registers
a
Timing set 0 (index 3Bh) resets to 06h for socket timing equal to standard AT-bus-based cycle times. Timing set 1 (3Eh) resets
to 0Fh for socket timings equal to standard AT-bus timing using one additional wait state.
Register Name:
External Data
(CL-PD6722 only)
Index:
6Fh
Bit
7
Extended Index:
0Ah
Register Per: socket
Register Compatibility Type: ext.
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
External Data
7
External Data
6
External Data
5
External Data
4
External Data
3 or
B_VS2 Input
R:0
External Data
2 or
B_VS1 Input
R:0
External Data
1 or
A_VS2 Input
R:0
External Data
0 or
A_VS1 Input
R:0
RW:0
RW:0
RW:0
RW:0
Register Name:
Extension Control 2
(CL-PD6722 only)
Index:
2Fh and 6Fh
Bit
7
Extended Index:
0Bh
Register Per: socket
Register Compatibility Type: ext.
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0
Reserved
Active-high
GPSTB
GPSTB on
IOW*
GPSTB on
IOR*
Totem-pole
GPSTB
Reserved
RW:00
RW:0
RW:0
RW:0
RW:0
RW:00
Register Name:
Setup Timing 0–1
Index:
3Ah, 3Dh
Bit
7
Register Per: socket
Register Compatibility Type: 365
Bit
1
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Setup Prescalar Select
Setup Multiplier Value
RW:00
RW:000001
Register Name:
Command Timing 0–1
Index:
3Bh, 3Eh
Bit
7
Bit
6
Register Per: socket
Register Compatibility Type: 365
Bit
1
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Command Prescalar Select
Command Multiplier Value
RW:00
RW:000110/001111
a
Register Name:
Recovery Timing 0–1
Index:
3Ch, 3Fh
Bit
7
Bit
6
Register Per: socket
Register Compatibility Type: 365
Bit
1
Bit
5
Bit
4
Bit
3
Bit
2
Bit
0
Recovery Prescalar Select
Recovery Multiplier Value
RW:00
RW:000011