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參數(shù)資料
| 型號： | TWL1107PWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 259K |
| 代理商： | TWL1107PWR |
TWL1107
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS119 – JUNE 2001
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receive volume control
In linear mode, RXVOL [2:0] PCM data bits are used for volume control according to Table 3. Volume control
bits must be sent on PCMI for each 13-bit receive word. In companded mode, volume control is fixed at 0 dB.
Table 3. Volume Control Bit Definition in Linear Mode
RXVOL [2:0]
GAIN SETTING
000
3 dB
001
0 dB
010
– 3 dB
011
– 6 dB
100
– 9 dB
101
– 12 dB
110
– 15 dB
111
– 18 dB
support section
The clock generator and control circuit uses the master clock input (MCLK) to generate internal clocks to drive
internal counters, filters, and converters.
clock frequencies and sample rates
A fixed PCMSYN rate of 8 kHz determines the sampling rate. The PCMSYN signal must be derived from the
master clock. The divide ratio must be set to 256 for the device to work properly.
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相關(guān)代理商/技術(shù)參數(shù) |
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| TWL1109 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE |
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| TWL1109PBSR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM CODEC|SINGLE|TQFP|32PIN|PLASTIC |
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| TWL1110GQER | 制造商:Texas Instruments 功能描述:VOICE BAND AUD PROCESSOR 80BGA MICROSTAR JUNIOR - Tape and Reel |
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