參數(shù)資料
型號(hào)： TDA7412
廠商： STMICROELECTRONICS
元件分類(lèi)： 音頻控制
英文描述： 1 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝： 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁(yè)數(shù)： 32/56頁(yè)
文件大?。?/td> 716K
代理商： TDA7412
TDA7412
38/56
9.0 IC BUS INTERFACE
9.1 Interface Protocol
s
The interface protocol comprises:
s
a start condition (S)
s
a chip address byte (the LSB bit determines read / write transmission)
s
a subaddress byte
s
a sequence of data (N-bytes + acknowledge)
s
a stop condition (P)
S = Start
R/W = "0" -> Receive-Mode (Chip could be programmed by P)
"1" -> Transmission-Mode (Data could be received by P)
ACK = Acknowledge
P = Stop
MAX CLOCK SPEED 500kbits/s
9.2 Auto increment
If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled.
9.3 TRANSMITTED DATA (send mode)
SM = Soft mute activated
ST = Stereo
P = Pause
X = Not Used
The transmitted data is automatically updated after each ACK.
Transmission can be repeated without new chipaddress.
9.4 Reset Condition
A Power-On-Reset is invoked if the Supply-Voltage is below than 3.5V. After that the following data is written
automatically into the registers of all subaddresses :
The programming after POR is marked bold-face / underlined in the programming tables.
With this programming all the outputs are muted to VREF (VOUT= VDD/2).
CHIP ADDRESS
SUBADDRESS
DATA 1....DATA n
MSB
LSB
MSB
LSB
MSB
LSB
S
1
0001
10
R/W ACK C
AZ
I
AAAAA
ACK
DATA
ACK P
MSB
LSB
XX
XXX
P
ST
SM
MSB
LSB
1
110
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7415 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:
TDA7415CB 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(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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(lèi)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7416 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:CARRADIO SIGNAL PROCESSOR
TDA7416_11 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Car radio signal processor
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