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TMP144 Datasheet(PDF) 23 Page - Texas Instruments

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Part # TMP144
Description  TMP144 Low-Power, Digital Temperature Sensor With SMAART Wire™ / UART Interface
PDF  41 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMP144 Datasheet(HTML) 23 Page - Texas Instruments

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7.6.4 Temperature High Limit Register (P[1:0] = 11) [reset = 3C00h]
The temperature high limit register is used to store the high temperature threshold for the device high limit flag.
The default power up reset value is +60°C. The power on default value is valid only when ETM = 0. At the
end of each temperature conversion, the device compares the temperature result with the temperature high limit
register. If the temperature result is greater than the threshold set in this register, the FH bit in the configuration
register is set.
When the ETM bit in the configuration register is updated, it is strongly recommended that the user update the
high limit register.
Note
When the ETM bit is set to 0, any writes to the EM bit will be ignored.
Table 7-16. Temperature High Limit Register (ETM = 0)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
H[11:0]
EM
Reserved
R/W-3C0h
R/W-0
R-0h
Table 7-17. Temperature High Limit Register (ETM = 0) Field Description
Bit
Field
Type
Reset
Description
15:4
H[11:1]
R/W
3C0h
12-bit temperature high limit threshold
3
EM
R/W
0
Don't care when ETM = 0
2:0
Reserved
R
0h
Reserved
Table 7-18. Temperature High Limit Register (ETM = 1)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
H[12:0]
Reserved
R/W-3C00h
R-0h
Table 7-19. Temperature High Limit Register (ETM = 1) Field Description
Bit
Field
Type
Reset
Description
15:3
H[12:0]
R/W
3C00h
13-bit temperature high limit threshold
2:0
Reserved
R
0h
Reserved
www.ti.com
TMP144
SBOS891C – OCTOBER 2018 – REVISED SEPTEMBER 2023
Copyright © 2023 Texas Instruments Incorporated
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