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TMP451 Datasheet(PDF) 26 Page - Texas Instruments

Part # TMP451
Description  TMP451 ±1°C Remote and Local Temperature Sensor With η-Factor and Offset Correction, Series-Resistance Cancellation, and Programmable Digital Filter
PDF  42 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TMP451 Datasheet(HTML) 26 Page - Texas Instruments

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TMP451
SBOS686A – JUNE 2013 – REVISED DECEMBER 2014
www.ti.com
7.6.1.21 THERM Hysteresis Register (offset: Read = 21h; Write = 21h) [reset = 0Ah]
Figure 36. THERM Hysteresis Register
7
6
5
4
3
2
1
0
HYS11
HYS10
HYS9
HYS8
HYS7
HYS6
HYS5
HYS4
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-1h
R/W-0h
R/W-1h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 23. THERM Hysteresis Register Field Descriptions
Bit
Field
Type
Reset
Description
7 - 0
HYS11 - HYS4
R/W
0Ah
THERM hysteresis value. These bits determine the amount of
hysteresis applied to the THERM function. The rsolution of the
LSB in this register is 1 °C.
7.6.1.22 Consecutive ALERT Register (offset: Read = 22h; Write = 22h) [reset = 01h]
Figure 37. Consecutive ALERT Register
7
6
5
4
3
2
1
0
SMBTO
RESERVED
CONAL2
CONAL1
CONAL0
RESERVED
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-1h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 24. Consecutive ALERT Register Field Descriptions
Bit
Field
Type
Reset
Description
7
SMBTO
R/W
0h
SMBus time-out enable or disable. Refer to Time-out Function
1 = Enables the SMBus time-out feature.
0 = Disables the SMBus time-out feature.
3 - 1
CONAL2 - CONAL1
R/W
0h
Number of consecutive out-of-limit measurements required to
activate the ALERT flag and pin
Refer to Table 25
Table 25. Consecutive Alert Configuration
VALUE
Number of Consecutive Out-of-limit Measurements Required
0h
1
1h
2
3h
3
7h
4
7.6.1.23
η-Factor Correction Register (offset: Read = 23h; Write = 23h) [reset = 00h]
Figure 38.
η-Factor Correction Register
7
6
5
4
3
2
1
0
NC7
NC6
NC5
NC4
NC3
NC2
NC1
NC0
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 26.
η-Factor Correction Register Field Descriptions
Bit
Field
Type
Reset
Description
7 - 0
NC7 - NC0
R/W
00h
η-factor value
Refer to Table 27
26
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