參數(shù)資料
型號: TDA7407
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, LQFP-44
文件頁數(shù): 28/46頁
文件大?。?/td> 692K
代理商: TDA7407
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I2C Bus interface description
TDA7407
6
I2C Bus interface description
6.1
Interface protocol
The interface protocol comprises:
a start condition (S)
a chip address byte (the LSB bit determines read / write transmission)
a subaddress byte
a sequence of data (N-bytes + acknowledge)
a stop condition (P
Table 10.
Addresses
D97AU627
S = Start
ACK = Acknowledge
AZ = AutoZero Remain
T = Testing
I = Auto increment
P = Stop
Max clock speed 500kbits/s
The transmitted data is automatically updated after each ACK. Transmission can be
repeated without new chip address.
6.2
Auto increment
If bit I in the subaddress byte is set to "1", the autoincrement of the subaddress is enabled.
Table 11.
Transmitted data (send mode)
SM = Soft mute activated
ST = Stereo
X = Not Used
Chip address
Subaddress
Data 1 to data n
MSB
LSB
MSB
LSB
MSB
LSB
S
1
000110 R/W ACK
X
AZ T
I A3 A2 A1 A0 ACK
DATA
ACK P
MSB
LSB
XX
ST
SM
X
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