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TMP451 Datasheet(PDF) 24 Page - Texas Instruments |
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TMP451 Datasheet(HTML) 24 Page - Texas Instruments |
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24 / 42 page  TMP451 SBOS686A – JUNE 2013 – REVISED DECEMBER 2014 www.ti.com Figure 30. Remote Temperature Offset Low Byte Register 7 6 5 4 3 2 1 0 RTOS3 RTOS2 RTOS1 RTOS0 RESERVED 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 17. Remote Temperature Offset Low Byte Register Field Descriptions Bit Field Type Reset Description 7 - 4 RTOS3 - RTOS0 R/W 0h Remote temperature offset low byte. The value of this register is added to the value the ADC conversion with the result stored in the remote temperature register. This register is used to add or subtract a temperature offset value to the ADC conversion result in applications requiring calibration. The resolution of these four bits is 0.0625°C. The offset register allows the TMP451 device to store any system offset compensation value that might be observed from precision calibration. The value in the register is stored in the same format as the temperature result, and is added to the remote temperature result upon every conversion. Combined with the η-factor correction, this function allows for very accurate system calibration over the entire temperature range. 7.6.1.16 Remote Temperature High Limit Low Byte Register (offset: Read = 13h; Write = 13h) [reset = 00h] Figure 31. Remote Temperature High Limit Low Byte Register 7 6 5 4 3 2 1 0 RTHL3 RTHL2 RTHL1 RTHL0 RESERVED 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 18. Remote Temperature High Limit Low Byte Register Field Descriptions Bit Field Type Reset Description 7 - 4 RTHL3 - RTHL0 R/W 0h These bits determine the value of the low byte of the high temperature limit to which the remote temperature measurement is compared. The resolution of the four bits in this register is 0.0625°C. 7.6.1.17 Remote Temperature Low Limit Low Byte Register (offset: Read = 14h; Write = 14h) [reset = 00h] Figure 32. Remote Temperature Low Limit Low Byte Register 7 6 5 4 3 2 1 0 RTLL3 RTLL2 RTLL1 RTLL0 RESERVED 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 19. Remote Temperature Low Limit Low Byte Register Field Descriptions Bit Field Type Reset Description 7 - 4 RTLL3 - RTLL0 R/W 0h These bits determine the value of the low byte of the low temperature limit to which the remote temperature measurement is compared. The resolution of the four bits in this register is 0.0625°C. 24 Submit Documentation Feedback Copyright © 2013–2014, Texas Instruments Incorporated Product Folder Links: TMP451 |
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