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參數(shù)資料
| 型號(hào)： | TC9455N |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 233K |
| 代理商： | TC9455N |
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TC9455,88F/N
2002-02-05
6
4. Electronic volume controllers
The IC incorporates microphone input 1 (MIC1) and microphone input 2 (MIC2) volume and echo volume
controllers. The built-in volume controller operates in 16 steps. Using an external variable resistor, volume
can be controlled by the DC level or from the MCU using serial data.
The TC9455F/N supports an I
2
C bus interface; the TC9488F/N, a three-lead interface.
4.1
Serial control timing
Figure 4 shows the serial control timing.
Figure 4 Serial control timing
Table 1 lists bits used to set the volume.
Table 1 Volume setting bits
M3, M2, M1, M0: Volume setting data
MODE
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
VOL1 setting
M3
M2
M1
M0
0
0
0
0
VOL2 setting
M3
M2
M1
M0
0
1
0
0
VOL3 setting
M3
M2
M1
M0
1
0
0
0
VOL1, 2, 3 setting
M3
M2
M1
M0
1
1
0
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC9488F | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| TC9488N | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| TC9456F | SINGLE CHIP SURROUND LSI WITH A BUILT-IN SRS |
| TC9457F | Firmware Built In Digital Servo |
| TC9459 | ELECTRONIC VOLUME CONTROL |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC9456F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:SINGLE CHIP SURROUND LSI WITH A BUILT-IN SRS |
| TC9457F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Firmware Built In Digital Servo |
| TC9459 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:ELECTRONIC VOLUME CONTROL |
| TC9459F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:ELECTRONIC VOLUME CONTROL |
| TC9459N | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:ELECTRONIC VOLUME CONTROL |
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