w66910 Winbond Electronics Corp America, w66910 Datasheet - Page 10

• Manufacturer Part Number: w66910
• Description: Te Mode Isdn S/t-controller With Microprocessor Interface
• Manufacturer: Winbond Electronics Corp America

FIG.3.2 W66910 PIN CONFIGURATION - MOTOROLA BUS MODE
VDDD
VDDB
VSSD
VSSB
RST#
CLK
81
82
83
85
87
88
89
90
91
92
93
94
95
96
97
98
99
100
84
86
I
N
T
#
8
0
I
O
0
/
X
A
D
0
1 2 3 4 5 6 7 8 9
I
O
1
0
/
X
W
R
B
7
9
I
O
1
/
X
A
D
1
I
O
9
/
X
R
D
B
7
8
I
O
2
/
X
A
D
2
I
O
8
/
X
A
L
E
7
7
I
O
3
/
X
A
D
3
7
6
V
S
S
B
7
5
V
D
D
B
7
4
A
7
7
3
A
6
7
2
D
C
L
A
5
7
1
F
C
S
A
4
1
0
7
0
D
D
1
1
6
9
D
U
C
S
#
1
2
6
8
V
S
S
D
W66910
ISDN-TE
1
3
6
7
V
D
D
D
-
1
4
6
6
P
R
X
D
1
5
6
5
P
T
X
D
1
6
V
S
S
D
-
6
4
P
F
C
K
1
1
7
V
D
D
D
6
3
P
B
C
K
1
8
6
2
P
F
C
K
2
1
9
6
1
T
E
S
T
P
2
0
T
O
U
T
2
6
0
2
1
5
9
V
S
S
D
2
2
D
S
#
5
8
V
D
D
D
2
3
5
7
X
T
A
L
2
2
4
5
6
X
T
A
L
1
W66910 PCI ISDN S/T-
2
5
5
5
S
X
2
I
O
4
/
X
A
D
4
2
6
S
X
1
5
4
2
7
I
O
5
/
X
A
D
5
X
I
N
T
I
N
1
5
3
I
O
6
/
X
A
D
6
2
8
X
I
N
T
I
N
0
5
2
I
O
7
/
X
A
D
7
2
9
V
D
D
A
5
1
Publication Release Da
3
0
50
49
48
46
44
43
42
41
40
39
38
37
36
35
34
33
32
31
47
45
A1
A2
A3
SR2
SR1
VSSA
D0
D1
D2
D3
VDDB
VSSB
D4
D5
D6
D7
RW
A0
VDDB
VSSB
Data Sheet
Feb,2001