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TMP139AIYAHT Datasheet(PDF) 44 Page - Texas Instruments |
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TMP139AIYAHT Datasheet(HTML) 44 Page - Texas Instruments |
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44 / 58 page  7.6.19 MR35: Temperature Sensor Critical Temperature Low Limit-High Byte Configuration (address = 23h) [reset = 00h] The status flag for critical temperature low limit is set when the result of the temperature conversion is less than the programmed value in the MR35 and MR34 registers. The application must ensure that the critical temperature low limit registers must have a value lesser than the temperature low limit registers. Return to Register Map. Figure 7-65. MR35: Temperature Sensor Critical Temperature Low Limit-High Byte Configuration Register 7 6 5 4 3 2 1 0 TS_CRIT_LOW_LIMIT_HIGH[7:0] R-0 R-0 R-0 RW-00h Table 7-31. MR35: Temperature Sensor Critical Temperature Low Limit-High Byte Field Descriptions Bit Field Type Reset Description 7:0 TS_CRIT_LOW_LIMIT_HIGH[7:0] RW 00h High byte of the critical low limit temperature for the thermal sensor.1 MR35 and MR34 together define the critical low limit temperature for the thermal sensor. 1. The bits marked as R-0, shall not be updated when host writes 1 and shall read as 0. 7.6.20 MR48: Device Status (address = 30h) [reset = 00h] The MR48 register provides the status of the IBI when the TMP139 is in I3C mode. Return to Register Map. Figure 7-66. MR48: Device Status Register 7 6 5 4 3 2 1 0 IBI_STATUS Reserved R-0 R-00h Table 7-32. MR48: Device Status Field Descriptions Bit Field Type Reset Description 7 IBI_STATUS R 0 Device event In Band Interrupt (IBI) status. 0 = No pending IBI. 1 = Pending IBI. 6:0 Reserved R 00h Reserved 7.6.21 MR49: Current Sensed Temperature Low Byte (address = 31h) [reset = 00h] The MR49 register, stores the lower 8-bits of the temperature output from the most recent conversion. Return to Register Map. Figure 7-67. MR49: Current Sensed Temperature Low Byte Register 7 6 5 4 3 2 1 0 TS_SENSE_LOW[7:0] R-00h TMP139 SNIS217 – DECEMBER 2020 www.ti.com 44 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: TMP139 |
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