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T8535B Datasheet(PDF) 11 Page - Agere Systems

Part No. T8535B
Description  T8535B/T8536B Quad Programmable Codec
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Maker  AGERE [Agere Systems]
Homepage  http://www.agere.com
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T8535B Datasheet(HTML) 11 Page - Agere Systems

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Agere Systems Inc.
11
Preliminary Data Sheet
September 2001
T8535B/T8536B Quad Programmable Codec
Pin Information (continued)
5-7187dF
Figure 5. 64-Pin TQFP Pin Diagram
Table 7. Pin Assignments, 64-Pin TQFP, Per-Channel Functions
Ckt
Name
Type
Name/Description
ab
c
d
9
212234
AGND
GND
Analog Ground. A common AGND, DGND, SGND plane is
highly recommended.
8
202335
VDD
PWR
Analog Power Supply.
7
192436
VFXII
Voice Frequency Transmit Input. This node requires a
10 M
Ω or 20 MΩ resistance to AGND. The value is dependent
upon the gain of the XAG amplifier (register 146). 20 M
Ω can
be used for any gain setting, 10 M
Ω can only be used for XAG
gain settings of 0 dB and +6.02 dB.
6
182537
VFROP
O
Voice Frequency Receive Output, Positive Polarity. This
pin can drive 2000
Ω (or greater) loads.
5
172638
VFRON
O
Voice Frequency Receive Output, Negative Polarity. This
pin can drive 2000
Ω (or greater) loads.
4
162839
SLIC0
I/O
SLIC Control 0.
3
142940
SLIC1
I/O
SLIC Control 1.
64
13
30
51
SLIC2
I/O
SLIC Control 2.
63
12
31
52
SLIC3
I/O
SLIC Control 3.
62
10
33
53
SLIC4
I/O
SLIC Control 4.
60 59 58 57 56 55 54 53 52
61
62
63
64
51 50 49
30
28
27
26
25
24
23
22
21
20
29
VDD
SLIC0b
31 32
19
18
17
SLIC1b
13
12
11
10
9
8
7
6
5
4
SLIC0a
VDDa
FILTV
SGND
DGND
SLIC2b
VFROPa
14
15
16
3
2
1
SLIC1a
VFXIa
AGNDa
SLIC4b
SLIC3b
VFRONa
36
38
39
40
41
42
43
44
45
46
37
SLIC1d
VFXId
DX0
DGND
FS
AGNDd
VFRONd
35
34
33
47
48
VDD
VFROPd
BCLK
VDDd
SLIC4c
SLIC0d
DX1
TSX0
DR0


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