spd6722qcce Intel Corporation, spd6722qcce Datasheet - Page 51

• Manufacturer Part Number: spd6722qcce
• Description: Isa-to-pc-card Pcmcia Controllers
• Manufacturer: Intel Corporation

7.4
Datasheet
Register Name: Interrupt and General Control
Index: 03h
Ring Indicate
Enable
RW:0
Bit 7
Card Reset*
Interrupt and General Control
Bits 3:0 — Card IRQ Select
These bits determine which IRQ will occur when the card causes an interrupt through the RDY/
-IREQ pin on the PC Card connector.
Bit 4 — Enable Manage Int
This bit determines how management interrupts will occur.
RW:0
Bit 6
0000
0001
0010
0011
0100
0101
0110
1000
1001
1010
1011
1100
1101
0111
1110
1111
0
1
IRQ disabled
Reserved
Reserved
IRQ 3
IRQ 4
IRQ 5
Reserved
IRQ 7
Reserved
IRQ 9 (On the PD6722, this output may alternately be used as an ISA bus DACK* signal)
IRQ 10 (On the PD6722, this output may alternately be used as an ISA bus DRQ signal)
IRQ 11
IRQ 12 (This output may alternately be used for LED)
Reserved
IRQ 14
IRQ 15 (This output may alternately be used for ring indicate)
Card status management interrupts occur as programmed by Management IRQ Select bits (bits
7:4 of Management Interrupt Configuration register, see
Select” on page
Card status management interrupts are redirected to the -INTR line instead of the programmed
IRQ pin.
Card Is I/O
RW:0
Bit 5
55).
Manage Int
Enable
RW:0
Bit 4
ISA-to-PC-Card (PCMCIA) Controllers — PD6710/’22
Bit 3
Bit 2
Card IRQ Select
“Bits 7:4 — Management IRQ
RW:0000
Register Compatibility Type: 365
Bit 1
Register Per: socket
Bit 0
51