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參數(shù)資料
| 型號(hào)： | 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)： | 11/18頁 |
| 文件大?。?/td> | 165K |
| 代理商： | MSM7581 |
11/18
Semiconductor
MSM7581
PAD Processing Timing
78.125
m
s
121.09ms
Internal MUTE processing Timing
78.125
m
s
Internal 12dBPAD processing Timing
78.125
m
s
BCKA
SIA
SYXA
MSB
LSB
PAD10 to PAD40, PAD11 to PAD41 Timings
SYXP
PAD10, 11
BCKP
SOP
0dB transmit data
PAD processing transmit data
MSB
LSB
0dB transmit data
Internal PAD
Signal
th
ts=100ns or more
th=100ns or more
ts
As mentioned above, PAD and MUTE processings are performed according to the rising edge
of SYXA. Even if BLOCK is not 128 kHz, these processings are performed in the absolute time
counted from the rising edge of SYXA.
The PAD pin must be controlled so as to cover these processings.
The PAD signal is input in the device at the rising edge of SYXP. Therefore, the PAD signal should
be input at ts and th for the rise of SYXP.
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| MSM7582 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
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| 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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