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參數(shù)資料
| 型號： | 7431 |
| 廠商： | 意法半導體 |
| 英文描述： | DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER |
| 中文描述： | 數(shù)控式環(huán)繞聲矩陣和消音器的音頻處理器 |
| 文件頁數(shù)： | 10/21頁 |
| 文件大?。?/td> | 168K |
| 代理商： | 7431 |
SOFTWARE SPECIFICATION
InterfaceProtocol
The interfaceprotocol comprises:
A startcondition (S)
A chip address byte, containing the TDA7430
/TDA7431address
A subaddressbytes
A sequenceof data (N byte + achnowledge)
A stopcondition (P)
ACK = Achnowledge
S = Start
P = Stop
A = Address
B = AutoIncrement
S
1
0
0
0
0
0
A
0
ACK
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU226A
B
DATA
SUBADDRESS
DATA 1 to DATA n
EXAMPLES
No IncrementalBus
The TDA7430 /TDA7431 receives a start condi-
tion, the correct chip address, a subaddress with
the MSB = 0 (no incremental bus), N-datas (all
these datas concern the subaddress selected), a
stop condition.
S
1
0
0
0
0
0
A
0
ACK
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU306
0
D3
SUBADDRESS
DATA
X
X
X
D2 D1 D0
IncrementalBus
The TDA7430 /TDA7431 receive s a start condi-
tion, the correct chip address, a subaddresswith
the MSB = 1 (incremental bus): now it is in a loop
condition with an autoincreaseof the subaddress
whereas SUBADDRESS from ”1XXX1010” to
”1XXX1111”of DATA are ignored.
The DATA 1 concern thesubaddress sent, and
the DATA 2 concern the subaddress sent plus
one in the loop etc, and at the end it receivers the
stop condition.
S
1
0
0
0
0
0
A
0
ACK
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU307
1
D3
SUBADDRESS
DATA 1 to DATA n
X
X
X
D2 D1 D0
TDA7430 - TDA7431
10/21
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 743-1 | 制造商:TE Connectivity / AMP 功能描述: |
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| 743-1002 | 制造商:DIALIGHT 功能描述: |
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