PD6710 Datasheet, PDF (126/138 Pages) Intel Corporation – ISA-to-PC-Card (PCMCIA) Controllers

PD6710/’22 — ISA-to-PC-Card (PCMCIA) Controllers
Register Name: Interface Status
Index: 01h
Bit 7
Bit 6
-VPP_VALID
Bit 5
RDY
Bit 4
WP
Bit 3
-CD2
Bit 2
-CD1
Register Per: socket
Register Compatibility Type: 365
Bit 1
Bit 0
BVD2
BVD1
V_PP Valid
Card Power
On
Ready/Busy* Write Protect
Card Detect
R¹
R:0
R²
R³
R⁴
1. Bit 7 is the inversion of the value of the -VPP_VALID pin (see Table 1 on page 16).
2. Bit 5 is the value of the RDY/-IREQ pin (see Table 2 on page 20).
3. Bit 4 is the value of the WP/-IOIS16 pin (see Table 2).
4. Bits 3:2 are the inversion of the values of the -CD1 and -CD2 pins (see Table 2).
5. Bits 1:0 are the values of the BVD1/-STSCHG and BVD2/-SPKR pins (see Table 2).
Battery Voltage Detect
R⁵
Register Name: Power Control
Index: 02h
Bit 7
Bit 6
Bit 5
Card Enable
Compatibility
Bit
Auto-Power
RW:0
RW:0
RW:0
Bit 4
V_CC Power
RW:0
Bit 3
Bit 2
Register Per: socket
Register Compatibility Type: 365
Bit 1
Bit 0
Compatibility Bits
RW:00
V_PP1 Power
RW:00
Register Name: Interrupt and General Control
Index: 03h
Bit 7
Bit 6
Bit 5
Bit 4
Ring Indicate
Enable
Card Reset*
Card Is I/O
Enable
Management
Interrupts
RW:0
RW:0
RW:0
RW:0
Bit 3
Bit 2
Register Per: socket
Register Compatibility Type: 365
Bit 1
Bit 0
Card IRQ Select
RW:0000
Register Name: Card Status Change
Index: 04h
Bit 7
Bit 6
Bit 5
R:0
R:0
R:0
Bit 4
R:0
Bit 3
Card Detect
Change
R:0
Bit 2
Register Per: socket
Register Compatibility Type: 365
Bit 1
Bit 0
Ready
Change
Battery
Warning
Change
Battery Dead
Or Status
Change
R:0
R:0
R:0
126
Datasheet