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Mode,Static
HighorLow
t
ACKN
Acknowledge
true,DataLine
pulleddownby
device
DATA IN
DATA OUT
Acknowledge
false,nopull
down
Controllerneedsto
PullupDataLineviaa
resistortodetect ACKN
ACKN
DA7
0
Mode,Static
HighorLow
T
EOS
t
valACK
DA0
0
RFA
1
D0
1
t
Start
t
Start
AddressByte DATA Byte
LowBit
(Logic0)
HighBit
(Logic1)
t
Low
t
High
t
LOW
t
High
PowerSaveMode ForcedPWMMODE PowerSaveMode
t
timeout
MODE/DATA
t
Start
t
Start
T
EOS
T
EOS
AddressByte DATA Byte
ForcedPWMMODE PowerSaveMode
t
timeout
MODE/DATA
PowerSaveMode
TPS62410
SLVS737 – FEBRUARY 2007
Figure 29. Easy Scale Protocol Including Acknowledge
Figure 30. EasyScale – Bit Coding
Figure 31. MODE/DATA PIN: Mode Selection
Figure 32. MODE/DATA Pin: Power Save Mode/Interface Communication
20
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