W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 12

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

PIN CONFIGURATION
SCI/DRQ0/GP17
DACK0/GP16
IRQ15/GP15
IRQ14/GP14
IOCHRDY
DACK1
DACK2
DACK3
DRQ1
DRQ2
DRQ3
IOW
VCC
AEN
VSS
IOR
D0
D1
D2
D3
D7
TC
D4
D5
D6
MR
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
I
R
1
0
2
C
L
K
I
N
1 2 3 4 5 6 7 8 9
Q
1
1
1
0
1
I
R
D
R
V
D
E
N
0
1
0
0
I
R
Q
1
0
D
R
V
D
E
N
1 ,
1
G
P
0
C
/
S
,
I
Q
1
S
I
R
9
9
D
K
/
C
H
G
Q
3
9
8
I
R
/
H
E
A
D
Q
4
I
R
9
7
/
R
D
A
T
A
Q
5
W
I
R
/
P
9
6
I
R
Q
6
/
T
R
A
K
0
9
5
I
R
Q
7
W
9
4
/
E
W
I
R
Q
8
/
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
/
D
S
B
8
8
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
-4-
A
1
0
1
9
P
E
8
4
A
9
V
C
C
8
3
2
0
A
8
8
2
2
1
B
U
S
Y
A
7
/
A
C
K
8
1
2
2
A
6
2
3
8
0
P
D
7
A
5
7
9
2
4
P
D
6
A
4
V
S
S 5
7
8
2
5
A
3
2
6
7
7
P
D
A
2
2
7
P
D
4
7
6
A
1
7
5
2
8
P
D
3
A
0
7
4
2
9
P
D
2
G
P
2
3
P
A
N
S
W
N
/
7
3
3
0
P
D
1
I
,
G
P
2
2
7
2
/
P
A
N
S
W
O
U
T ,
3
1
P
D
0
Publication Release Date: April 1998
V
S
B
3
2
S
L
I
N T
7
1
/
G
P
2
1
3
3
I
N
I
/
S
M
I ,
7
0
/
/
E
R
R
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
W83977TF
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
PRELIMINARY
SINB
DCDA
XTAL1
VSS
XTAL2
MDATA
KDATA
KBLOCK/GP13
KBRST/GP12
GA20/GP11
VCC
DCDB
SOUTB/PEN48
DSRB
SOUTA/PENKBC
SINA
DTRA/PNPCSV
RTSA/HEFRAS
DSRA
CTSA
GP24
GP25
VBAT
DTRB
RTSB
CTSB
Revision 0.62