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參數(shù)資料
| 型號： | TDA7429L |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP42 |
| 封裝： | 0.600 INCH, SDIP-42 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 174K |
| 代理商： | TDA7429L |
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TDA7429L
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3.3 Byte Format
Every byte transferred on the SDA line must contain 8 bits. Each byte must be followed by an acknowledge bit.
The MSB is transferred first.
3.4 Acknowledge
The master (mP) puts a resistive HIGH level on the SDA line during the acknowledge clock pulse (see fig. 7).
The peripheral (audioprocessor) that acknowledges has to pull-down (LOW) the SDA line during this clock
pulse.
The audioprocessor which has been addressed has to generate an acknowledge after the reception of each
byte, otherwise the SDA line remains at the HIGH level during the ninth clock pulse time. In this case the master
transmitter can generate the STOP information in order to abort the transfer.
3.5 Transmission without Acknowledge
Avoiding to detect the acknowledge of the audioprocessor, the
P can use a simpler transmission: simply it
waits one clock without checking the slave acknowledging, and sends the new data.
This approach of course is less protected from misworking.
Figure 5. Data validity on the I2C bus
Figure 6. Timing Diagram of I2C bus
Figure 7. Acknowledge on the I2C bus
SDA
SCL
DATA LINE
STABLE, DATA
VALID
CHANGE
DATA
ALLOWED
D99AU1031
SCL
SDA
START
I2CBUS
STOP
D99AU1032
SCL
1
MSB
23789
SDA
START
ACKNOWLEDGMENT
FROM RECEIVER
D99AU1033
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| TDA7429S | 功能描述:音頻 DSP 3-Band Equalizer RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
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| TDA7429T13TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX |
| TDA7430 | 功能描述:音頻 DSP Digitally Controlled RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風格: 封裝 / 箱體: 封裝:Tube |
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