TMP139AIYAHT datasheet(42/58 Pages) TI

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7.6.14 MR30: Temperature Sensor Low Limit-Low Byte Configuration (address = 1Eh) [reset = 00h]

The status flag for critical low limit is set when the result of the temperature conversion is less than the

programmed value in the MR31 and MR30 registers. The application must ensure that the critical temperature

low limit registers must have a value lower than the temperature low limit registers.

Return to Register Map.

Figure 7-60. MR30: Temperature Sensor Low Limit-Low Byte Configuration Register

TS_LOW_LIMIT_LOW[7:0]

RW-00h

R-0

Table 7-26. MR30: Temperature Sensor Low Limit-Low Byte Field Descriptions

Bit

Field

Type

Reset

Description

7:0

TS_LOW_LIMIT_LOW[7:0]

00h

Low byte of the low limit temperature for the thermal sensor.1

MR31 and MR30 together define the low limit for the thermal

sensor.

1. The bits marked as R-0, shall not be updated when host writes 1 and shall read as 0.

7.6.15 MR31: Temperature Sensor Low Limit-High Byte Configuration (address = 1Fh) [reset = 00h]

The status flag for critical low limit is set when the result of the temperature conversion is less than the

programmed value in the MR31 and MR30 registers. The application must ensure that the critical temperature

low limit registers must have a value lower than the temperature low limit registers.

Return to Register Map.

Figure 7-61. MR31: Temperature Sensor Low Limit-High Byte Configuration Register

TS_LOW_LIMIT_HIGH[7:0]

R-0

RW-00h

Table 7-27. MR31: Temperature Sensor Low Limit-High Byte Field Descriptions

Bit

Field

Type

Reset

Description

7:0

TS_LOW_LIMIT_HIGH[7:0]

00h

High byte of the low limit temperature for the thermal sensor.1

MR31 and MR30 together define the low limit for the thermal

sensor.

1. The bits marked as R-0, shall not be updated when host writes 1 and shall read as 0.

7.6.16 MR32: Temperature Sensor Critical High Temperature Limit-Low Byte Configuration (address =

20h) [reset = 50h]

The status flag for critical temperature high limit is set when the result of the temperature conversion is greater

than the programmed value in the MR33 and MR32 registers. The application must ensure that the critical

temperature high limit registers must have a value greater than the temperature high limit registers.

Return to Register Map.

Figure 7-62. MR32: Temperature Sensor Critical Temperature High Limit-Low Byte Configuration Register

TS_CRIT_HIGH_LIMIT_LOW[7:0]

RW-50h

R-0

TMP139

SNIS217 – DECEMBER 2020

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