MSM6948 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM6948

1200 bps Single Chip MSK Modem

Oki Electric Industry 

¡ Semiconductor

APPLICATION CIRCUIT

MSM6948/6948V

Crystal

3.6864 MHz

3.6864 MHz

Clock

Transmit Control

"1" : Data Signal (SD)

"0" : Voice Signal (TI)

Transmit Data

Transmit Data

Timing Clock

C6 C2

VDD

1 X1

2 X2

3 *MCK

4 ME

5 SD

6 ST

7 SG

8 AG

9 DG

*NC : MSM6948V

VDD 18

FT 17

CT 16

CF 15

RT 14

+

C1

–

+5 V

Filter Test

PLL's Lock-in Speed

"1" : Low Speed

"0" : High Speed

Phase Correcting Speed

"1" : High Speed Correction

"0" : Low Speed Correction

Receive Data Timing Clock

RD 13

Receive Data

AI 12

C3

AO 11

C4

TI 10

C5

Receive Analog Signal

Transmit Analog Signal

Voice Signal

11/13

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