参数资料
型号: TDA7705TR
厂商: STMICROELECTRONICS
元件分类: 接收器
英文描述: AUDIO/VIDEO DEMODULATOR, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64
文件页数: 14/42页
文件大小: 396K
代理商: TDA7705TR
TDA7705
Electrical specifications
Doc ID 15938 Rev 8
3.4.9
I2C interface
The following parameters apply to the serial bus communication when I2C protocol has
been selected at start-up. For the other electrical characteristics of the pins, Section 3.4.8
applies. The parameters of the following table are defined as in Figure 8.
Figure 8.
I2C bus timing diagram
Table 15.
I2C interface
Symbol
Parameter
Min
Max
Units
fSCL
SCL Clock frequency
-
500
kHz
tAA
SCL low to SDA data valid
0.3
-
s
tbuf
time the bus must be kept free before a new
transmisison
1.3
-
s
tHD-STA
START condition hold time
0.6
-
s
tLOW
Clock low period
1.3
-
s
tHIGH
Clock high period
0.6
-
s
tSU-SDA
START condition setup time
0.1
-
s
tHD-DAT
Data input hold time
0
0.9
s
tSU-DAT
Data input setup time
0.1
-
s
tR
SDA & SCL rise time
-
0.3
s
tF
SDA & SCL fall time
-
0.3
s
tSU-STOP
Stop condition setup time
0.6
-
s
tDH
Data out time
-
0.3
s
D95AU378A
tHIGH
tR
tLOW
tF
SCL
SDA IN
SDA OUT
tSU-STA
tHD-SDA
tHD-DAT
tSU-DAT
tSU-STOP
tbuf
tAA
tDH
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