參數(shù)資料
型號(hào): TDA7719
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 21/46頁
文件大?。?/td> 590K
代理商: TDA7719
I2C bus specification
TDA7719
Doc ID 13698 Rev 4
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 kbits/s
3.3 V logic compatible
Figure 21.
Switching characteristics
S = Start
ACK = Acknowledge
Table 9.
I2C bus electrical characterisitics
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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