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TMP112A/B/N Datasheet(PDF) 21 Page - Texas Instruments

Part # TMP112A/B/N
Description  TMP112x High-Accuracy, Low-Power, Digital Temperature Sensors With SMBus and Two-Wire Serial Interface in SOT563 and X2SON Packages
PDF  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TMP112A/B/N Datasheet(HTML) 21 Page - Texas Instruments

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Frame1Two-WireSlaveAddressByte
Frame2PointerRegisterByte
1
StartBy
Master
ACKBy
TMP112
ACKBy
TMP112
Frame3Two-WireSlaveAddressByte
Frame4DataByte1ReadRegister
StartBy
Master
ACKBy
TMP112
ACKBy
Master
(2)
From
TMP112
1
9
1
9
1
9
1
9
SDA
SCL
0
0
1
R/W
0
0
0
0
0
0
P1
P0
¼
¼
¼
SDA
(Continued)
SCL
(Continued)
SDA
(Continued)
SCL
(Continued)
1
0
0
1
0
A1
(1)
A0
(1)
0
A1
(1)
A0
(1)
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Frame5DataByte2ReadRegister
StopBy
Master
ACKBy
Master
(3)
From
TMP112
1
9
D7
D6
D5
D4
D3
D2
D1
D0
StopBy
Master
NOTE: (1)ThevaluesofA0andA1aredeterminedbytheADD0pin.
(2)MastershouldleaveSDAhightoterminateasingle-bytereadoperation.
(3)MastershouldleaveSDAhightoterminateatwo-bytereadoperation.
Figure 7-5. Two-Wire Timing Diagram for Read Word Format
NOTE:(1)ThevaluesofA0andA1aredeterminedbytheADD0pin.
Frame1SMBusALERTResponseAddressByte
Frame2SlaveAddressFromTMP112
StartBy
Master
ACKBy
TMP112
From
TMP112
NACKBy
Master
StopBy
Master
1
9
1
9
SDA
SCL
ALERT
0
0
0
1
1
0
0
R/W
1
0
0
1
A1
A0
Status
Figure 7-6. Timing Diagram for SMBus ALERT
www.ti.com
TMP112
SBOS473J – MARCH 2009 – REVISED FEBRUARY 2024
Copyright © 2024 Texas Instruments Incorporated
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21
Product Folder Links: TMP112



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