參數(shù)資料
型號: TDA7718N
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 19/40頁
文件大?。?/td> 543K
代理商: TDA7718N
I2C bus specification
TDA7718N
Doc ID 16502 Rev 1
5
I2C bus specification
5.1
Interface protocol
The interface protocol comprises:
a start condition (S)
a chip address byte (the LSB determines read/write transmission)
a subaddress byte
a sequence of data (N-bytes + acknowledge)
a stop condition (P)
the max. clock speed is 400 kbit/s
3.3 V logic compatible
Figure 20.
I2C bus interface protocol
1.
S = Start
2.
ACK = Acknowledge
5.2
I2C bus electrical characteristics
Table 6.
I2C bus electrical characteristics
Symbol
Parameter
Min
Max
Unit
fSCL
SCL clock frequency
-
400
kHz
VIH
High level input voltage
2.4
-
V
VIL
Low level input voltage
-
0.8
V
tHD,STA
Hold time for START
0.6
-
s
tSU,STO
Setup time for STOP
0.6
-
s
tLOW
Low period for SCL clock
1.3
-
s
tHIGH
High period for SCL clock
0.6
-
s
tF
Fall time for SCL/SDA
-
300
ns
tR
Rise time for SCL/SDA
-
300
ns
tHD,DAT
Data hold time
0
-
ns
tSU,DAT
Data setup time
100
-
ns
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