W83626F Datasheet, PDF (32/34 Pages) Winbond – LPC-to-ISA Bridge

LPC TO ISA BRIDGE SET
W83626F/W83626D
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ9
IRQ10
IOCHRDY
MEMW#
IOR#
MEMR#
IOW#
RP1
2
3
4
5
6
7
8
9
10
8.2K
RP2
2
3
4
5
6
7
8
9
10
8.2K
RP3
2
3
4
5
6
7
8
9
10
8.2K
VCC5
1
VCC5
1
VCC5
1
VCC5
R4
1K
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
IRQ11
LAD0
LAD1
LAD2
LAD3
LDRQ#
SERIRQ
LFRAM#
LAD0
LAD1
LAD2
LAD3
LDRQ#
SERIRQ
LFRAM#
DRQ0
DRQ1
DRQ2
DRQ3
RP4
2
3
4
5
6
7
8
9
10
8.2K
RP11
2
3
4
5
6
7
8
8.2K
VCC5
1
VCC3
1
RP10
2
3
4
5
6
7
8
8.2K
RP5
1
3
5
7
8.2K
VCC3
1
2
4
6
8
R7
R6
R5
R10
8.2K
8.2K
8.2K
8.2K
PWRDN#
R9
4.7K
NOTE7 :
Reserved for wake_up function.
VCC3
ISA I/F PULL HIGH
OR PULL DOWN RESISTORS
SA[18..0]
For 8M BIOS
ROM decode
MEMW#
MEMR#
ROMCS#
VCC5
R8
4.7K
VCC5
1
30
2
3
A18
A17
A16
29
28
4
A15
A14
A13
25
23
26
27
5
A12
A11
A10
A9
A8
6
7
8
A7
A6
A5
9
10
11
12
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
U2
13
14
15
17
18
19
20
21
31
24
22
WE#
OE#
CE#
W29C040P-90
(PLCC)
NOTE4:
R7 for ROMCS# power-on setting used.
The circuit is for flashable ROM
For BIOS read-only used can connect
OE# and CE# together to ROMCS# and
without MEMR# and MEMW#.
SD[7..0]
Flash ROM Decoder
PRELIMINARY
IRQ12
IRQ14
IRQ15
MEMCS16#
IOCS16#
IOCHK#
OWS#
SMEMW#
SMEMR#
DRQ5
DRQ6
DRQ7
MASTER#
RP9
2
3
4
5
6
7
8
9
10
8.2K
5VCC
1
RP8
1
2
3
4
5
6
7
8
8.2K
NOTE6:
For disconnected signals used
No used signals
PD[0..7]
RP6
2
3
4
5
6
7
8
9
10
4.7K
VCC5
1
PRT PULL-HI RESISTORS
STB#
AFD#
INIT#
SLIN#
ERR#
ACK#
BUSY
PE
SLCT
RP7
2
3
4
5
6
7
8
9
10
4.7K
VCC5
1
VCC5
CB5
0.1uF
CB1
0.1uF
VCC3
CB2
0.1uF
CB3
0.1uF
VCC5
CB4
0.1uF
C7
10uF/16V
VCC3
C8
10uF/16V
C9
10uF/16V
C10
10uF/16V
- 19 -
inbond
WINBOND ELECTRONICS CORP.
Title
W83626F FOR LPC TO ISA BRIDGE
Size
Document Number
Custom626_2.SCH
Rev
0.3
Date:
Tuesday, August 24, 1999
Sheet
2
of
4
Publication Release Date: Feb 2000
Revision 0.50