參數(shù)資料
型號(hào): T8538B
元件分類: Codec
英文描述: T8538B Quad Programmable Codec
中文描述: T8538B四可編程編解碼器
文件頁數(shù): 5/44頁
文件大小: 847K
代理商: T8538B
Agere Systems Inc.
5
Preliminary Data Sheet
August 2001
T8538B Quad Programmable Codec
Pin Information
5-8885a (F)
Figure 2. 100-Pin TQFP Pin Diagram
Table 1. Pin Assignments, 100-Pin TQFP, Per-Channel Functions
Ckt
Name
Type
Name/Description
a
17
b
31
c
34
d
54
AGND
GND
Analog Ground.
A common AGND, DGND plane is highly
recommended.
Analog Power Supply.
Voice Frequency Transmit Input.
For complex terminations,
this node requires a 10 M
or 20 M
resistance to AGND.
Voice Frequency Receive Output, Positive Polarity.
This pin
can drive 2000
(or greater) loads.
Voice Frequency Receive Output, Negative Polarity.
This pin
can drive 2000
(or greater) loads.
SLIC Control 0.
SLIC Control 1.
SLIC Control 2.
SLIC Control 3.
SLIC Control 4.
SLIC Control 5.
16
14
30
29
36
41
55
56
V
DD
VF
X
I
PWR
I
13
28
42
57
VF
R
OP
O
11
27
43
58
VF
R
ON
O
6
5
26
24
23
21
19
18
46
47
48
49
52
53
65
66
78
80
81
79
SLIC0
SLIC1
SLIC2
SLIC3
SLIC4
SLIC5
I/O
I/O
I/O
I/O
I/O
I/O
100
99
98
97
V
DD
NC
NC
DX1
TSX0
DR0
DX0
DGND
NC
BCLK
FS
V
DD
SLIC1d
SLIC0d
NC
NC
NC
NC
NC
NC
VF
R
ONd
VF
R
OPd
VF
X
Id
V
DD
d
AGNDd
SLIC5c
SLIC4c
D
C
I
N
N
N
N
N
S
S
S
S
DGND
SLIC1a
SLIC0a
NC
NC
NC
NC
VF
R
ONa
NC
VF
R
OPa
VF
X
Ia
NC
V
DD
a
AGNDa
SLIC5b
SLIC4b
DGND
SLIC3b
NC
SLIC2b
SLIC1b
V
DD
S
V
R
O
V
X
I
V
A
N
N
A
N
V
D
c
N
N
N
N
V
X
I
V
R
O
V
R
O
N
V
D
S
S
S
S
DGND
D
D
N
D
V
D
R
S
S
S
S
T
D
N
8
8
9
9
9
9
9
9
9
9
9
1
8
8
8
8
8
8
8
8
7
7
7
7
9
3
3
3
3
3
3
3
3
2
2
2
2
3
4
4
4
4
4
4
4
4
4
4
5
3
13
14
15
16
17
18
19
20
21
22
23
24
25
12
11
10
9
8
6
7
5
4
3
2
1
63
62
61
60
59
58
57
56
55
54
53
52
51
64
65
66
67
68
70
69
71
72
73
74
75
N
V
R
O
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