W6691CD WINBOND [Winbond], W6691CD Datasheet - Page 10

• Manufacturer Part Number: W6691CD
• Description: ISDN S/T Interface Transceiver
• Manufacturer: WINBOND [Winbond]

3. PIN CONFIGURATIONS
PFCK2
PFCK1
PBCK
PTXD
PRXD
C16.384
INT#
MBS
VDD
VSS
FSC
DCL
VDD
VSS
DU
DD
Fig.3.1 W6691 Pin Configuration - Intel Bus Mode
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
48
C
P
C
1
C
P
47
C
N
C
T
E
S
P
T
2
46
S
X
2
3
R
S
T
#
S
X
1
45
4
M
B
I
T
44
V
D
D
A
5
V
D
D
43
ISDN S/T Interface
Access Controller
S
R
2
6
V
S
S
42
S
R
1
7
A
C
T
L
1
S
W6691
41
10
V
S
S
A
8
O
S
C
7
6
8
40
R
D
#
X
T
A
L
1
9
39
10
X
T
A
L
2
A
L
E
11
38
T
O
U
T
2
C
S
#
12
37
C
K
L
T
36
13
V
D
D
14
35
V
S
S
15
34
F
S
C
O
Preliminary W6691
33
16
D
C
L
O
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Publication Release Date: Sep 2001
M1
M0
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
VDD
VSS
WR#
Revision 1.1