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參數(shù)資料
| 型號： | TDA7415CB |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64 |
| 文件頁數(shù)： | 26/50頁 |
| 文件大?。?/td> | 1358K |
| 代理商： | TDA7415CB |
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Digital interface
TDA7415CB
Doc ID 14100 Rev 3
6
Digital interface
The TDA7415CB digital interface supports two different protocols: SPI and I2C. To select the
I2C-mode the SEL-pin has to be tied to the system supply by means of a 68k -resistor. If the
voltage at the SEL-pin falls below 5.5V, the interface switches to SPI-mode. Consequently,
the interface is able to work with a microprocessor either supplied by a 3.3V or a 5V power
supply. The SPI-mode has to be set and remain static before the device leaves the reset
state caused by power-on reset (POR).
For details of both protocols refer to the programming section.
6.1
Interface in SPI -mode
●
Interface protocol
The SPI interface protocol comprises:
–
A sub-address (SAx) and
A sequence of n data bytes (Dy); each consisting of 8 bits.
A negative going edge at SEL enables the interface receiving data. The interface accepts
both a positive (Cpol=1, Cpha=1; SPI-mode 0) as well as a negative (Cpol=0, Cpha=0; SPI-
mode 3) clocking scheme. However, the data transmitted has to be valid on the rising
edges of the serial clock SCL.
Figure 24.
Switching characteristics (SPI-mode):
Figure 25.
Interface in SPI -mode diagram
Tscl
Tsu
Tsh
Thld
Twh
Twl
Trel
SEL
SCL
SDA
SAx,Dy
AC00507
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| TDA7415CBTR | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 6-chnl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7416 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CARRADIO SIGNAL PROCESSOR |
| TDA7416_11 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Car radio signal processor |
| TDA7417 | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 9.5V RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7417TR | 功能描述:音頻放大器 Car-radio Multimedia Signal (CMSP) 9.5V RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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