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參數(shù)資料
| 型號： | TDA7465 |
| 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)： | 19/20頁 |
| 文件大?。?/td> | 371K |
| 代理商： | TDA7465 |
Obsolete
Product(s)
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Product(s)
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
A start condition (S)
A chip address byte, containing the TDA7465
address
A subaddress bytes
A sequence of data (N byte + achnowledge)
A stop condition (P)
ACK = Achnowledge
S = Start
P = Stop
A = Address
B = Auto Increment
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
EXAMPLES
No Incremental Bus
The TDA7465 receives a start condition, the cor-
rect chip address, a subaddress with the MSB = 0
(no incremental bus), N-data (all these data con-
cern the subaddress selected), a stop condition.
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU306
0D3
SUBADDRESS
DATA
XXX
D2 D1 D0
Incremental Bus
The TDA7465 receives a start condition, the cor-
rect chip address, a subaddress with the MSB = 1
(incremental bus): now it is in a loop condition
with an autoincrease of the subaddress whereas
SUBADDRESS from "1XXX1010" to "1XXX1111"
of DATA are ignored.
The DATA 1 concerns thesubaddress sent, and
the DATA 2 concerns the subaddress sent plus
one in the loop etc. and, at the end, it receives the
stop condition.
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU307
1D3
SUBADDRESS
DATA 1 to DATA n
XXX
D2 D1 D0
TDA7465
8/20
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