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參數(shù)資料
| 型號： | TWL1102PBSR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數(shù)： | 17/29頁 |
| 文件大?。?/td> | 387K |
| 代理商： | TWL1102PBSR |
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TWL1102
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLVS264 – NOVEMBER 1999
24
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
receive operation (continued)
Table 8. Receive-Data Bit Definitions
BIT NO.
COMPANDED
MODE
LINEAR
MODE
1
CD7
LD14
2
CD6
LD13
3
CD5
LD12
4
CD4
LD11
5
CD3
LD10
6
CD2
LD9
7
CD1
LD8
8
CD0
LD7
9
–
LD6
10
–
LD5
11
–
LD4
12
–
LD3
13
–
LD2
14
–
LD1
15
–
LD0
16
–
––
Transmit channel gain control bits always follow the PCM data in time:
CD7–CD0 = data word in companded mode
LD14–LD0 = data word in linear mode
DTMF generator operation and interface
The dual-tone multifrequency generator (DTMF) circuit generates the summed DTMF tones for push button
dialing and provides the PDM output for the BUZZCON user-alert tone. There are 255 possible single tones.
The tone integer value is determined by the formula round (tone frequency (Hz)/7.8125 Hz). The integer value
is loaded into either one of two 8-bit registers, high tone register (04) or low tone register (05). The tone output
is 2 dB higher when applied to the high tone register (04). When generating DTMF tones, the high frequency
value must be applied to the high tone register (04) and the low DTMF value to the low tone register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TWL1103 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:VOICE-BAND AUDIO PROCESSOR VBAPE |
| TWL1103GQE | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TWL1103GQER | 功能描述:VOICE BAND AUDIO PROC 80-BGA RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:VBAP™ 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| TWL1103PBS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TWL1103PBSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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