VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


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Page 12/128:

Pin Diagram

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Pin Diagram

Key
1
2
3
4
5
SMEM
IOCH
USB
USB
KB
A
R#
RDY
P0+
P2+
DT
SMEM
USB
USB
USB
AEN
B
W#
P0-
P2-
P3+
ROM
IO
USB
USB
MS
C
CS#
W#
CLK
P1+
DT
IO
DACK
DRQ
USB
MS
D
R#
3#
3
P1-
CK
DACK
DRQ
KB
E
RFSH# OSC
1#
1
CK
MCS
S
IOCS
IO
IRQ
F
16#
BHE#
16#
CHK#
7
IRQ6
IRQ
IRQ
IRQ
DACK
G
SLPB
5
4
3
2#
DRQ2
IRQ
B
TC
BALE
H
SIRQ
9
CLK
RST
LA
LA
LA
LA
J
DRV
23
22
21
20
SA
SA
IRQ
IRQ
IRQ
K
19
18
10
11
15
IRQ
DACK
DRQ
DACK
SD
L
14
0#
0
5#
8
DRQ
SD
DACK
SD
DRQ
M
5
9
6#
10
6
SD
DACK
SD
DRQ
SD
N
11
7#
12
7
13
SD
SD
SA
SA
SA15
P
SDD15
14
15
17
16
SA14
SA13
SA12
SA11
SA10
R
SDD14
SDD13
SDD12
SDD11
SDD10
SA9
SA8
SA7
SA6
XDIR INIT
T
SDD9
SDD8
SDD7
SDD6
SA5
SA4
SA3
MEM
SOE# SMI#
U
SDD5
SDD4
SDD3
R#
SA2
SA1
SD
MEM
SPKR
V
SDD2
SDD1
5
W#
SA0
SD
SD
SD
RTC
W
SDD0
2
4
7
X2
SD
SD
SD
SD
RTC
Y
0
1
3
6
X1
Note: Some of the pins above have alternate functions and alternate names. The table above contains only one name (usually the most often used function), but
the pin lists and pin descriptions contain all names.
Revision 1.71 June 9, 2000
P
INOUTS
Figure 2. VT82C686B Ball Diagram (Top View)
6
7
8
9
10
11
W
WRT
DS
CTS
DCD
TXD
DATA#
PRT#
1#
2#
2#
1
R
W
DS
DTR
RXD
RTS
DATA#
GATE#
0#
2#
2
1#
DSK
HD
MTR
RI
DSR
CTS
CHG#
SEL#
1#
2#
2#
1#
DRV
IN
DRV
TXD
DTR
DEX# DIR#
DEN1
DEN0
2
1#
USB
TRK
MTR
RTS
RI
00# STEP#
P3-
0#
2#
1#
GND
VCC
GND VCC
VCC GND
U
U
GND
G7
8
9
10
11
VCC
H
VCC
J
GND GND GND GND
VCC
K
GND GND GND GND
GND
L
GND GND GND GND
VCC
M
GND GND GND GND
VCC
N
GND
P7
8
9
10
11
VCC
VCC
GND VCC
VCC
VCC
S
S
GPO
SMB
SUS
THRM
SLP#
0
DATA
CLK
PME#
GPIO
SMB
BAT
NMI
LID
D
CLK
LOW#
RSM
CPU
SUS
SUS
RST# FERR#
ST1# RING#
RST#
A#
PWR
STP
SUS
SMB
IRQ8# PCK
CLK# INTR
GD
B#
ALRT#
A20
IGN
SUS
EXT
PWR
VBAT
M#
NE#
C#
SMI#
BTN#
-6-
12
13
14
15
16
17
DCD
PD
PD
ERR# PIRQ
AD
1#
7
2
A#
31
RXD
PD
PD
PCI
PIRQ
ACK#
1
3
0
RST#
D#
DSR
PD
P
AUTO
PIRQ
BUSY
1#
4
INIT#
FD#
C#
IR
PD
PD
STR
PIRQ
PE
RX
5
1
OBE#
B#
IR
PD
SLCT
P
AD
SLCT
TX
6
IN#
CLK
20
AD
C/BE
VCC VCC VCC
GND
16
2#
DEV
12
13
G14
GND
SEL# STOP# SERR# PAR CBE1#
AD
AD
H
VCC
15
14
AD
AD
J
VCC
10
9
AD
AD
K
VCC
6
5
AD
AD
L
GND
1
0
PD
PD
M
VCC
CS3#
A0
PD
PD
N
VCC
RDY
IOR#
PDD
PDD
12
13
P14
GND
0
14
PDD
PDD
VCC
GND
VCC GND
H
H
12
3
FAN
GPIO
SDD10
PDD
PDD
VREF
1
A
JAB2
5
9
FAN
V
JBX
SD
ACRS JBB2
2
SENS1
GPI23
CS1#
PCI
V
GPIO
JAX
SYNC
SDI
STP#
SENS2
C
GPO23
T
V
JBY
JAB1 JBB1 BTCK
RUN#
SENS1
SENS3
GPI22
CPU
T
V
JAY
SDO
SDI2
STP#
SENS2
SENS4
GPO22
VT82C686B
18
19
20
AD
AD
AD
28
26
25
AD
AD
AD
29
27
24
AD
C/BE
ID
30
3#
SEL
AD
AD
AD
23
22
21
AD
AD
AD
19
18
17
I
T
FRM#
RDY#
RDY#
AD
AD
AD
13
12
11
AD
C/BE
AD
8
0#
7
AD
AD
AD
4
3
2
PD
PREQ# PGNT#
CS1#
PD
PD
PD
DACK#
A2
A1
PD
PD
PDD
IOW#
DRQ
15
PDD
PDD
PDD
1
13
2
PDD
PDD
PDD
11
4
10
PDD
PDD
PDD
6
8
7
SD
SD
SD
CS3#
A0
A2
SD
SD
SD
A1
RDY
DACK#
SD
SD
IOR#
IOW#
SD
MSO
MSI
DRQ
Pinouts