109059808 データシートの表示（PDF） - Agere -> LSI Corporation

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109059808

Quad Programmable Codec

Agere -> LSI Corporation 

Preliminary Data Sheet

September 2001

Pin Information

T8535B/T8536B Quad Programmable Codec

PVCOIN

PVCO

PLLT

SGND

VFRONa

VFROPa

VFXIa

VDDa

AGNDa

DGND

VDD

6 5 4 3 2 1 44 43 42 41 40

7

39

8

38

9

37

10

36

11

35

12

34

13

33

14

32

15

31

16

30

17

29

18 19 20 21 22 23 24 25 26 27 28

DX

DGND

BCLK

FS

VDD

VFRONd

VFROPd

VFXId

VDDd

AGNDd

DGND

Figure 2. 44-Pin PLCC Pin Diagram

5-7187.b(F)

Table 1. Pin Assignments, 44-Pin PLCC, Per-Channel Functions

Ckt

Name Type

a

b

c

d

Name/Description

15 22 23 30 AGND GND Analog Ground. A common AGND, DGND, SGND plane is

highly recommended.

14 21 24 31

VDD PWR Analog Power Supply.

13 20 25 32 VFXI

I Voice Frequency Transmit Input. This node requires a 10 MΩ

or 20 MΩ resistance to AGND. The value is dependent upon the

gain of the XAG amplifier (register 146). 20 MΩ can be used for

any gain setting, 10 MΩ can only be used for XAG gain settings

of 0 dB and +6.02 dB.

12 19 26 33 VFROP O Voice Frequency Receive Output, Positive Polarity. This pin

can drive 2000 Ω (or greater) loads.

11 18 27 34 VFRON O Voice Frequency Receive Output, Negative Polarity. This pin

can drive 2000 Ω (or greater) loads.

Agere Systems Inc.

5

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