W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 16

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

PIN CONFIGURATION
DACK0/GP16
IRQ15/GP15
IRQ14/GP14
DRQ0/GP17
IOCHRDY
DACK1
DACK2
DACK3
DRQ1
DRQ2
DRQ3
IOW
VCC
AEN
VSS
IOR
D0
TC
D1
D2
D3
D7
D4
D5
MR
D6
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Q
1
2
1
0
2
I
R
C
L
K
I
N
1 2 3 4 5 6 7 8 9
1
0
1
I
R
Q
1
1
D
R
V
D
E
N
0
1
0
0
Q
1
0
I
R
D
R
V
D
E
N
1 ,
1
G
P
0
Q
1
S
I
R
9
9
D
K
/
C
H
G
I
R
Q
3
9
8
/
H
E
A
D
I
R
Q
4
9
7
/
R
D
A
T
A
Q
5
W
I
R
/
P
9
6
Q
6
I
R
/
T
R
A
K
0
9
5
Q
7
W
I
R
9
4
/
E
I
R
Q
8
/
W
D
9
3
1
0
Q
9
I
R
9
2
1
1
/
S
T
E
P
A
1
5
9
1
1
2
/
D
I
R
V
S
S
9
0
1
3
/
M
O
B
A
1
4
1
4
/
D
S
A
8
9
A
1
3
1
5
8
8
/
D
S
B
A
1
2
1
6
/
M
O
A
8
7
1
A
1
8
6
1
7
/
I
N
D
E
X
V
C
C
8
5
1
8
S
L
C
T
A
1
0
P
E
8
4
1
9
A
9
V
C
C
2
0
8
3
A
8
8
2
2
1
B
U
S
Y
A
7
/
A
C
K
8
1
2
2
A
6
8
0
2
3
P
D
7
A
5
P
D
6
7
9
2
4
A
4
V
S
S 5
7
8
2
5
A
3
2
6
W83977F/ W83977AF
P
D
7
7
A
2
2
7
7
6
P
D
4
A
1
7
5
2
8
P
D
3
A
0
7
4
2
9
2
P
D
Publication Release Date: March 1998
/
P
A
N
S
W ,
G
P
2
3
7
3
3
0
P
D
1
/
P
S
C
T
L ,
G
P
2
2
7
2
3
1
P
D
0
3
2
N T
V
S
B
7
1
S
L
I
/
G
P
2
1
3
3
I
N
I
/
S
M
I ,
7
0
/
/
E
R
R
P
H
R
I ,
G
P
2
0
6
9
3
4
/
A
F
D
M
C
L
K
6
8
3
5
S
K
C
L
K
/
T
B
6
7
3
6
R
R
X
/
R
I
B
6
6
3
7
I
3
8
6
5
I
R
T
X
/
R
I
A
PRELIMINARY
-5 -
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
DCDA
XTAL1
VSS
XTAL2
MDATA
KDATA
KBLOCK/GP13
KBRST/GP12
GA20/GP11
VCC
DCDB
SOUTB
SINB
VBAT
DTRB/ENCPNP
DSRB
SOUTA/PENKRC
SINA
DTRA/PNPCSV
RTSA/HEFRAS
DSRA
CTSA
CIRRX/GP24
IRRXH/IRSL0
RTSB/PENPLL
CTSB
Revision 0.58