msm7708-02 Oki Semiconductor, msm7708-02 Datasheet - Page 36

• Manufacturer Part Number: msm7708-02
• Description: Serial Register Interface Adpcm Codec For Telephone Recording
• Manufacturer: Oki Semiconductor

¡ Semiconductor
SIGNAL FLOW IN RECORDING/PLAYBACK
When the serial register is connected to each ADPCM transmit and receive system, the flow of
recording/playback signal is as follows:
A-OUT
A-IN
Transmit-side recording
(CR5 – B7 = "1" + REC)
Receive-side recording
(CR5 – B7 = "0" + REC)
Figure 11 Signal Flow in Transmit/Receive Side Recording/Playback
Serial register
Serial register
ADPCM
DE-CODER
ADPCM
CODER
IS (ADPCM-OUT)
IR (ADPCM-IN)
A-OUT
A-IN
(CR5 – B7 = "1" + PLAY)
(CR5 – B7 = "0" + PLAY)
Transmit-side playback
Receive-side playback
Serial register
Serial register
ADPCM
DE-CODER
ADPCM
CODER
IS (ADPCM-OUT)
IR (ADPCM-IN)
MSM7708-02
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