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TMP139AIYAHT Datasheet(PDF) 18 Page - Texas Instruments

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Part # TMP139AIYAHT
Description  TMP139 0.5 째C Accuracy, JEDEC DDR5 Grade B, Digital Temperature Sensor With I2C and I3C Interface
PDF  58 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMP139AIYAHT Datasheet(HTML) 18 Page - Texas Instruments

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Table 7-5. Command Truth Table - PEC Enabled Mode
CMD
RW
Command Name
Command Description
000
0
W1R
Write 1 Byte to Register address specified in
data packet
1
R1R
Read 1 Byte from Register address specified
in data packet
001
0
W2R
Write 2 Bytes to Register address specified in
data packet
1
R2R
Read 2 Bytes from Register address
specified in data packet
010 – 111
X
RSVD
Reserved
If the CMD value sent by the host is not valid for TMP139, the device shall not write any data to the register
specified.
S or Sr
0
SA
1
0
HID2
HID1
HID0
R/W=0
RA = Register Address [7:0]
ACK/NACK
CMD
Data(RA)
...
T
T
T
T
Data(RA+N)
T
W=0
0
0
0
0
PEC
Sr or P
T
Figure 7-13. I3C Basic Mode Write with PEC enabled
Sr
0
SA
1
0
HID2
HID1
HID0
R/W=0
RA = Register Address [7:0]
ACK/NACK
CMD
Data(RA)
...
T
T
T
T
Dat a(RA+N)
T
W=0
0
0
0
0
PEC
Sr or P
T
S
1
1
1
1
1
1
0
R/W=0
ACK
Figure 7-14. I3C Basic Mode Write with IBI Header and PEC enabled
If there is a parity error during the data transfer, the device shall discard all the bytes including the byte for which
parity error was detected and set the parity error condition. If the host attempts to start a new transaction with a
Repeated Start to the same device, then TMP139 shall NACK the device address to indicate an error condition
to the host. The host must first clear the parity error condition before performing any new transfer to the
TMP139.
If there is a PEC error, then the TMP139 shall discard the entire data packet and set the PEC error condition. If
the host attempts to start a new transaction with a Repeated Start to the same device, then TMP139 shall NACK
the device address to indicate an error condition to the host. The host must first clear the PEC error condition
before performing any new transfer to the TMP139.
TMP139
SNIS217 – DECEMBER 2020
www.ti.com
18
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TMP139



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