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參數(shù)資料
| 型號(hào)： | MSM7590L-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Multi-Function ADPCM CODEC |
| 中文描述： | 多功能差分PcM編解碼器 |
| 文件頁數(shù)： | 7/26頁 |
| 文件大?。?/td> | 173K |
| 代理商： | MSM7590L-01 |
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Semiconductor
MSM7590L-01
XSYNC
Transmit PCM and ADPCM data 8 kHz synchronous signal input.
Synchronize this signal with BCLK signal. XSYNC is used to indicate the MSB of the transmit
serial PCM and ADPCM data stream.
Be sure to input the XSYNC signal because it is also used as the input of the timing generator.
RSYNC
Receive PCM and ADPCM data synchronous signal input.
Synchronize this signal with BCLK signal. RSYNC is used to indicate the MSB of the receive
serial PCM and ADPCM data stream.
VOXO
Transmit VOX function signal output.
VOX function recognizes the presence or absence of the transmit voice signal by detecting the
signal energy. “1” and “0” levels set on this pin correspond to the presence and the absence of
voice, respectively. This result appears at the register data CR7-B7. The signal energy detect
threshold is set by the control register data CR6-B6, B5.
VOXI
Signal input for receive VOX function.
A “1” level at VOXI indicates the presence of a voice signal. The decoder block processes normal
receive signal, and the voice signal appears at the analog output pins . The “0” level indicates
the absence of a voice signal. Background noise generated in this device is transferred to the
analog output pins. The background noise amplitude is set by the control register CR6. Because
this signal is ORed with the register data CR6-B3, set the control register data CR6-B3 to digital
“0”.
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相關(guān)代理商/技術(shù)參數(shù) |
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| MSM7602-001GS-K | 制造商:ROHM Semiconductor 功能描述: |
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