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參數(shù)資料
| 型號： | MSM7581 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | ITU-T G.721 4ch ADPCM TRANSCODER |
| 中文描述： | ITU - T的G.721 4路差分PcM碼器 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 165K |
| 代理商： | MSM7581 |
4/18
Semiconductor
MSM7581
PIN AND FUNCTIONAL DESCRIPTIONS
GND
Ground, 0 V.
SIP1, SOP1
PCM serial data input (SIP1) and output (SOP1) for Channel 1.
SOP1 is an open-drain output, which goes into a high impedance state after a continuous 8-bit
serial data output.
SIP2, SOP2
PCM serial data input (SIP2) and output (SOP2) for Channel 2.
SOP2 is an open-drain output, which goes into a high impedance state after a continuous 8-bit
serial data output.
SIP3, SOP3
PCM serial data input (SIP3) and output (SOP3) for Channel 3.
SOP3 is an open-drain output, which goes into a high impedance state after a continuous 8-bit
serial data output.
SIP4, SOP4
PCM serial data input (SIP4) and output (SOP4) Channel 4.
SOP4 is an open-drain output, which goes into a high impedance state after a continuous 8-bit
serial data output.
PAD10 - PAD40, PAD11 - PAD41
PAD mode control.
The PCM output can be attenuated by 12 dB or 6 dB and set to an out-of-service pattern (idle
pattern) by controlling these pins. Set these pins to digital "0" level during normal operation.The
control sequences are as follows:
PAD11 - PAD41
0
0
1
1
PAD10 - PAD40
0
1
0
1
Normal
6 dB Loss
12 dB Loss
Out-of-service Pattern
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7582 | pie/4 Shift QPSK MODEM |
| MSM7582B | pie/4 Shift QPSK MODEM |
| MSM7583GS-BK | pie/4 Shift QPSK MODEM |
| MSM7583 | pie/4 Shift QPSK MODEM |
| MSM7584C | π/4 Shift QPSK MODEM(π/4移動(dòng)QPSK調(diào)制解調(diào)器/ADPCM編碼譯碼器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7582 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7582B | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7583 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7583GS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7584C | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pi /4 Shift QPSK MODEM/ADPCM CODEC |
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