PEB2465H 데이터 시트보기 (PDF) - Infineon Technologies

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PEB2465H

4-channel codec filter

Infineon Technologies 

1.3

Pin Definition and Functions

SICOFI-4

PEB 2465

General Description

Table 1

Pin Definition and Functions

Pin No. Symbol Input (I) Function

Output (O)

Common Pins for All Channels

23

VDDD

I

+ 5 V supply for the digital circuitry 1)

58

GNDD I

Ground Digital, not internally connected to

GNDA 1, 2, 3, 4

All digital signals are referred to this pin

40

VDDA12 I

9

VDDA34 I

+ 5 V Analog supply voltage for channel 1 and 2 1)

+ 5 V Analog supply voltage for channel 3 and 4 1)

27

FSC

I

IOM-2: Frame synchronization clock , 8 kHz

26

DCL

I

IOM-2: Data clock, 2048 kHz or 4096 kHz depending

on MODE

25

DU

O

IOM-2: Data upstream, open drain output

24

DD

I

IOM-2: Data downstream, input

22

RESET I

Reset input - forces the device to the default mode,

active high

57

MODE I

IOM-2: Mode Selection

60

TSS0 I

IOM-2: Time slot selection pin 0

59

TSS1 I

IOM-2: Time slot selection pin 1

56

TCK

I

Boundary scan: Test Clock

55

TMS

I

Boundary scan: Test Mode Select

54

TDI

I

Boundary scan: Test Data Input

53

TDO

O

Boundary scan: Test Data Output

28

LGKM0 O

Loop/Ground Key Multiplexing output 0 for

channel 1, 2

21

LGKM1 O

Loop/Ground Key Multiplexing output 1 for

channel 3, 4

41

VH12

I/O

8

VH34

I/O

Reference voltage for channel 1 and 2, has to be

connected via a 220 nF cap. to ground

Reference voltage for channel 3 and 4, has to be

connected via a 220 nF cap. to ground

1) A 100 nF cap. should be used for blocking these pins, see also on Page 75.

Data Sheet

13

2000-02-08

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