参数资料
型号: TPS65055RSMR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.8 A DUAL SWITCHING CONTROLLER, 2475 kHz SWITCHING FREQ-MAX, PQCC32
封装: 4 X 4 MM, GREEN, PLASTIC, QFN-32
文件页数: 16/41页
文件大小: 1276K
代理商: TPS65055RSMR
SCLK
...
SDAT
Slave Address
Register
Address
..
A6
R0
R7
ACK
R/W
A0
0
Stop
Start
...
.. D0
D7
R/W
A0
A6
1
Slave
Drives
theData
Master
Drives
ACKandStop
Repeated
Start
..
ACK
NOTE:SLAVE=TPS65055
SCLK
SDAT
Slave Address
Register
Address
..
A6
R0
R7
ACK
R/W
A0
0
Stop
Start
..
D0
D7
R/W
A0
A6
1
Slave
Drives
theData
Master
Drives
ACKandStop
StopStart
...
..
...
..
ACK
NOTE:SLAVE=TPS65055
t r
CLK
DATA
STA
STO
t su(STO)
t f
t(BUF)
t(LOW)
th(STA)
t(HIGH)
tsu(STA)
th(DATA)
www.ti.com.......................................................................................................................................................................................... SLVS844 – SEPTEMBER 2008
Figure 24. Serial I/FRead From TPS65055: Protocol A
Figure 25. Serial I/F Read From TPS65055: Protocol B
Figure 26. Serial I/F Timing Diagram
MIN
MAX
UNIT
fMAX
Clock frequency
400
kHz
twH(HIGH)
Clock high time
600
ns
twL(LOW)
Clock low time
1300
ns
tR
DATA and CLK rise time
300
ns
tF
DATA and CLK fall time
300
ns
th(STA)
Hold time (repeated) start condition (after this period the first clock pulse is generated)
600
ns
th(DATA)
Setup time for repeated start condition
600
ns
th(DATA)
Data input hold time
100
ns
tsu(DATA)
Data input setup time
100
ns
tsu(STO)
Stop condition setup time
600
ns
Copyright 2008, Texas Instruments Incorporated
23
Product Folder Link(s): TPS65055
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