參數(shù)資料
型號： TDA7415CB
廠商： STMICROELECTRONICS
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件頁數(shù)： 27/50頁
文件大?。?/td> 1358K
代理商： TDA7415CB
TDA7415CB
Digital interface
Doc ID 14100 Rev 3
6.2
I2C bus interface description
●
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)
Figure 26.
I2C bus interface diagram
S = Start
ACK = Acknowledge
Auto increment
If bit I in the subaddress byte is set to "1", the auto increment of the subaddress is enabled
which is also true for the SPI mode.
Chip-address
For the TDA7415CB the chip address is $8C (10001100).
Table 12.
Interface in SPI -mode
Symbol
Parameter
Min
Typ
Max
Units
fSCLK
Serial input clock frequency (SCL)
0,00
-
4
MHz
Tsu
Serial data setup time
40,00
-
ns
Thld
Serial data hold time
40,00
-
ns
Twh
Serial clock high time width
100,00
-
ns
Twl
Serial clock low time width
100,00
-
ns
Tscl
Select (SEL) to clock (SCL) falling setup time
200,00
-
ns
Trel
Clock (SCL) to select (SEL) rising release time
200,00
-
ns
tr
Data rise time
-
2,00
μs
tf
Data fall time
-
2,00
μs
Tsh
Chip select high time
200,00
-
μs
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