PD6710/
’
22
—
ISA-to-PC-Card (PCMCIA) Controllers
52
Datasheet
Bit 5
—
Card Is I/O
This bit determines how dual-function socket interface pins will be used.
Bit 6
—
Card Reset*
This bit determines whether the RESET signal (see
Table 2 on page 20
) to the card is active or
inactive. When the Card Enable bit (see
“
Bit 7
—
Card Enable
”
on page 50
) is
‘
0
’
, the RESET
signal to the card will be high-impedance. See Chapter 10 for further description of ATA mode
functions.
Bit 7
—
Ring Indicate Enable
This bit determines whether the -STSCHG input pin is used to activate the IRQ15 pin in
conjunction with
Misc Control 2
, IRQ15 Is RI Out (see
“
Bit 7
—
IRQ15 Is RI Out
”
on page 74
).
This bit has no significance when the card socket is configured for memory card operation.
7.5
Card Status Change
This register indicates the source of a management interrupt generated by the PD67XX.
Note:
The corresponding bit in the
Management Interrupt Configuration
register must be set to
‘
1
’
to
enable each specific status change detection.
0
Memory Card Interface mode: card socket configured to support memory cards. Dual-function
socket interface pins perform memory card-type interface functions.
1
I/O Card Interface mode: card socket configured to support I/O/memory card-type interface
functions. Dual-function socket interface pins perform I/O/memory card-type interface functions.
0
The RESET signal to the card socket is set active (high for normal, low for ATA mode).
1
The RESET signal to the card socket is set inactive (low for normal, high for ATA mode).
0
BVD1/-STSCHG pin is status change function.
1
BVD1/-STSCHG pin is ring indicate input pin from card.
Register Name: Card Status Change
Index: 04h
Register Per:
socket
Register Compatibility Type: 365
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Card Detect
Change
Ready
Change
Battery
Warning
Change
Battery Dead
Or Status
Change
R:0
R:0
R:0
R:0
R:0
R:0
R:0
R:0