MC145557P Ver la hoja de datos (PDF) - Motorola => Freescale

Número de pieza

componentes Descripción

Fabricante

MC145557P

PCM Codec-Filter

Motorola => Freescale 

–5V

ANALOG OUT

+5V

1

VBB

2

GNDA

3

4 VFRO

VCC

5

MC145554/57

6 FSR

7 DR

8 BCLKR/ CLKSEL

MCLKR/ PDN

16

VFXI +

15

VFXI – 14

GSX 13

TSX 12

FSX

11

DX 10

BCLKX 9

MCLKX

ANALOG IN

TX TIME SLOT

1.544 MHz/

2.048 MHz

ADCPM IN

POWER–DOWN

1

MODE

2

DDO

3

DDE

4

DDC

5

DDI

6

DIE

7

PD/RESET

8 VSS

MC145532

8 kHz

16

VDD + 5 V

15

EDO

14

EOE

13

EDC

12

EDI

11

EIE

10

SPC

ADP 9

ADPCM OUT

20.48 MHz

Figure 3. ADPCM Transcoder Application

MC145554•MC145557•MC145564•MC145567

12

MOTOROLA

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