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參數(shù)資料
| 型號： | TDA7442 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP32 |
| 封裝： | PLASTIC, SDIP-32 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大小： | 158K |
| 代理商： | TDA7442 |
7/17
TDA7442 - TDA7442D
4
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
■
A start condition (S)
■
A chip address byte, containing the TDA7442D
■
A subaddress bytes
■
A sequence of data (N byte + acknowledge)
■
A stop condition (P)
ACK = Acknowledge
S = Start
P = Stop
A = Address
B = Auto Increment
4.1 EXAMPLES
4.1.1 No Incremental Bus
The TDA7442D receives a start condition, the correct chip address, a subaddress with the MSB = 0 (no
incremental bus), N-datas (all these data concern the subaddress selected), a stop condition.
4.1.2 Incremental Bus
The TDA7442D receive a start conditions, the correct chip address, a subaddress with the MSB = 1 (in-
cremental bus): now it is in a loop condition with an autoincrease of the subaddress whereas SUBAD-
DRESS from "1XXX1010" to "1XXX1111" of DATA are ignored.
The DATA 1 concern the subaddress sent, and the DATA 2 concerns the subaddress sent plus one sent
in the loop etc, and at the end it receivers the stop condition.
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU226A
B
DATA
SUBADDRESS
DATA 1 to DATA n
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU306
0
D3
SUBADDRESS
DATA
X
D2 D1 D0
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU307
1
D3
SUBADDRESS
DATA 1 to DATA n
X
D2 D1 D0
相關PDF資料 |
PDF描述 |
|---|---|
| TDA7442D013TR | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| TDA7443D | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| TDA7444 | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| TDA7444D | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| TDA7445D | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7442D | 功能描述:多媒體雜項 Tone Control Suround Digtal Cntrold Audio RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TDA7442D013TR | 功能描述:多媒體雜項 Tone Control Suround Digtal Cntrold Audio RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TDA7443D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC |
| TDA7448 | 功能描述:音頻放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT 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 |
| TDA7448_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:6 CHANNEL VOLUME CONTROLLER |
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