參數(shù)資料
型號: MSM7584C
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: π/4 Shift QPSK MODEM(π/4移動QPSK調(diào)制解調(diào)器/ADPCM編碼譯碼器)
中文描述: π/ 4移位的QPSK調(diào)制解調(diào)器(π/ 4移動的QPSK調(diào)制解調(diào)器/差分PcM編碼譯碼器)
文件頁數(shù): 55/57頁
文件大?。?/td> 321K
代理商: MSM7584C
Semiconductor
MSM7584C
55/57
SIGNAL FLOW IN RECORDING/PLAYBACK
When the serial register is connected to each ADPCM transmitter and receiver, the flow of
recording/playback signal is as follows:
ADPCM
CODER
Serial register
IS(ADPCM-OUT)
A-IN
ADPCM
CODER
Serial register
IS(ADPCM-OUT)
A-IN
Transmit-side recording
(CR5 – B7 = "1" + REC)
Transmit-side playback
(CR5 – B7 = "1" + PLAY)
ADPCM
DE-CODER
Serial register
IR (ADPCM-IN)
A-OUT
ADPCM
DE-CODER
Serial register
IR (ADPCM-IN)
A-OUT
Receive-side recording
(CR5 – B7 = "0" + REC)
Receive-side playback
(CR5 – B7 = "0" + PLAY)
Figure 20 Signal Flow in Transmit/Receive Side Recording/Playback
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