R8953SPB Просмотр технического описания (PDF) - Conexant Systems

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Компоненты Описание

производитель

R8953SPB

HDSL Channel Unit

Conexant Systems 

A

Appendix A

A.1 Differences Between Bt8953A and RS8953B

Table A-1. Pin Definitions

Pin Number

68 Pin

PLCC

19

27

48

49

80 Pin

PQFP

13

23

48

49

61

63

44

43

45

45

Bt8953A (5.0 V)

RS8953B (3.3 V)

Signal

Description

Signal

Description

VCC

VCC

PLLVCC

VCC

(SCAN_MD)

VCC

LP1

LP2

5.0 V

5.0 V

5.0 V

5.0 V

5.0 V

Multiplier PLL analog

phase detector output

Voltage level controls the

VCO frequency of the

multiplier PLL

VCC

VCC

PLLVCC

VCC

(SCAN_MD)

VCC

VCC

VEXT

3.3 V

3.3 V

3.3 V

3.3 V

3.3 V

3.3 V

Input protection diodes

bias

N8953BDSB

Conexant

A-1

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