Datasheet

SCLK
... ......
SDAT
Slave Address DataRegister Address
.........
A
6
R
6
R
5
R
0
ACK D
7
D
6
D
5
D
0
R
7
ACKR/WA
0
A
4
A
5
0 0 0 0
StopStart
NOTE: SLAVE =TPS65720
ACK
SCLK
... ......
SDAT
Slave Address Slave Address
Register
Address
....
A6 R0R7
ACK
R/WA0
0 0 0 0
Stop
Start
NOTE: SLAVE =TPS65720
...
..
D0D7R/WA0A6
1
Slave
Drives
theData
Master
Drives
ACKandStop
Repeated
Start
..
ACK ACK ACK
SCLK
... .....
SDAT
Slave Address Slave Address
Register
Address
....
A6 R0R7
ACK
R/WA0
0 0 0 0
StopStart
NOTE: SLAVE=TPS65720
...
..
D0D7R/WA0A6
1
Slave
Drives
theData
Master
Drives
ACKandStop
StopStart
..
ACK ACK ACK
CLK
DATA
STA STA STOSTO
t
(BUF)
t
(LOW)
t
r
t
f
t
h(STA)
t
su(STO)
t
su(STA)
t
su(DATA)
t
(HIGH)
t
h(DATA)
t
h(STA)
TPS65720
TPS65721
SLVS979 –OCTOBER 2009 www.ti.com
Figure 30. Serial I/f WRITE to TPS65720 Device
Figure 31. Serial I/f READ From TPS65720: Protocol A
Figure 32. Serial I/f READ From TPS65720: Protocol B
Figure 33. Serial I/f Timing Diagram
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