w83626f Winbond Electronics Corp America, w83626f Datasheet - Page 8

• Manufacturer Part Number: w83626f
• Description: Lpc To Isa Bridge Set
• Manufacturer: Winbond Electronics Corp America

ISA Interface Signals, continued
HERFRA
SYMBOL
DACK0#
DACK1#
DACK2#
DACK3#
DACK5#
DACK6#
DACK7#
IRQ10
IRQ11
IRQ12
IRQ14
IRQ15
DRQ0
DRQ1
DRQ2
DRQ3
DRQ5
DRQ6
DRQ7
IRQ5
IRQ6
IRQ7
IRQ9
TC
127
124
128
126
100
PIN
96
94
93
78
10
90
79
88
89
99
87
9
8
6
7
3
1
4
2
I/O D24t
OUT 24
OUT 24
OUT 24
OUT 24
OUT 24
OUT 24
OUT 24
I/O
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
IN t
Parallel Interrupt Requested Input 5.
Parallel Interrupt Requested Input 6.
Parallel Interrupt Requested Input 7.
Parallel Interrupt Requested Input 9.
Parallel Interrupt Requested Input 10.
Parallel Interrupt Requested Input 11.
Parallel Interrupt Requested Input 12.
Parallel Interrupt Requested Input 14.
Parallel Interrupt Requested Input 15.
DMA Request 0. The DREQ signal indicates that either a
slave DMA device is requesting DMA services, or an ISA
bus master is requesting use of the ISA bus.
DMA Request 1.
DMA Request 2.
DMA Request 3.
DMA Request 5.
DMA Request 6.
DMA Request 7.
DMA Acknowledge 0. The DACK# signal indicates that
either a DMA channel or an ISA bus master has been
granted the ISA bus.
DMA Acknowledge 1.
DMA Acknowledge 2.
DMA Acknowledge 3.
DMA Acknowledge 5.
DMA Acknowledge 6.
During power-on reset, this is pulled-hi internally (Select
4Eh) and is defined as HEFRAS which provides the
power-on value for CR3 bit4. A 4.7k ohm is recommended
if intends to pull down. (Select 2Eh)
DMA Acknowledge 7.
Terminal Count. The W83628F asserts TC to DMA slaves
as a terminal count indicator.
W83626F/W83626D/W83626G
- 8 -
FUNCTION