PD6710/’22 — ISA-to-PC-Card (PCMCIA) Controllers
Bit 4 — Write Protect
0
1
Card is not write protected.
Card is write protected.
This bit indicates the state of the WP/-IOIS16 pin ( Table 2) on the card and has meaning only in
Memory Card Interface mode.
Bit 5 — Ready/Busy*
0
1
Card is not ready.
Card is ready.
This bit indicates the state of the RDY/-IREQ pin ( Table 2) on the card. If the card has been
configured for I/O, then this bit will not be valid.
Bit 6 — Card Power On
0
1
Power to the card is not on.
Power to the card is on.
This status bit indicates whether power to the card is on. Refer to Table 11 on page 42 for details.
Bit 7 — V Valid
PP
0
1
This status bit indicates a logic high at the -VPP_VALID pin.
This status bit indicates a logic low at the -VPP_VALID pin.
This bit indicates the status of the -VPP_VALID pin ( Table 1).
7.3
Power Control
Register Name: Power Control
Index: 02h
Register Per: socket
Register Compatibility Type: 365
Bit 7
Card Enable
RW:0
Bit 6
Bit 5
Auto-Power
RW:0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Compatibility
Bit
V
Power
Compatibility Bits
V
1 Power
CC
PP
RW:0
RW:0
RW:00
RW:00
48
Datasheet