PEB2465H データシートの表示（PDF） - Siemens AG

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PEB2465H

Four Channel Codec Filter

Siemens AG 

PEB 2465

1.3 Pin Definition and Functions

Pin No. Symbol Input (I) Function

Output (O)

General Description

Common Pins for All Channels

23

VDDD

I

58

GNDD I

40

VDDA12

I

9

VDDA34

I

27

FSC

I

26

DCL

I

25

DU

O

24

DD

I

22

RESET I

57

MODE I

60

TSS0 I

59

TSS1 I

56

TCK

I

55

TMS

I

54

TDI

I

53

TDO

O

28

LGKM0 O

21

LGKM1 O

41

VH12

I/O

8

VH34

I/O

+ 5 V supply for the digital circuitry 1)

Ground Digital, not internally connected to

GNDA 1, 2, 3, 4

All digital signals are referred to this pin

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

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

IOM-2: Frame synchronization clock , 8 kHz

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

on MODE

IOM-2: Data upstream, open drain output

IOM-2: Data downstream, input

Reset input - forces the device to the default mode,

active high

IOM-2: Mode Selection

IOM-2: Time slot selection pin 0

IOM-2: Time slot selection pin 1

Boundary scan: Test Clock

Boundary scan: Test Mode Select

Boundary scan: Test Data Input

Boundary scan: Test Data Output

Loop/Ground Key Multiplexing output 0 for

channel 1, 2

Loop/Ground Key Multiplexing output 1 for

channel 3, 4

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 87.

Semiconductor Group

11

02.97

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