TMP110 datasheet(23/44 Pages) TI

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8.2 Configuration Register (address = 01h) [reset = 40A0h]

This register is used to configure the operation of the TMP113 and also provides the alert status.

Return to Register Map.

Table 8-5. Configuration Register

One_Shot

Reserved

Fault[1:0]

Polarity

Alert_Mode

Shutdown

R/W-0b

R-11b

R/W-00b

R/W-0b

Conversion_Rate[1:0]

Alert Flag

Reserved

R/W-10b

R-1b

R-00000b

Table 8-6. Configuration Register Field Description

Bit

Field

Type

Reset

Description

One_Shot

R/W

One-shot conversion trigger applicable in shutdown mode only.

In continuous conversion mode the bit reads 0b. In shutdown

mode the bit reads 1b, then after the conversion is finished the

bit reads 0b. Triggering a one-shot conversion happens only

when the device is in shutdown mode.

0b = Active conversion ongoing

1b = Trigger a one-shot conversion or active conversion

complete

14:13

Reserved

10b

Reserved

12:11

Fault[1:0]

R/W

00b

Fault bits are used to set the number of consecutive conversions

for which the alert condition exists before the ALERT pin is

asserted and status bit is set.

00b = 1 fault

01b = 2 faults

10b = 4 faults

11b = 6 faults

Polarity

R/W

The polarity bit allows the host to adjust the polarity of the

ALERT pin/flag output.

0b = ALERT pin/flag output is active low

1b = ALERT pin/flag output is active high

Alert_Mode

R/W

The alert mode bit indicates the how the temperature limits

operate.

0b = Comparator mode

1b = Alert mode

Shutdown

R/W

The shutdown bit is used to change the device conversion

mode.

0b = Continuous conversion mode

1b = Shutdown mode

7:6

Conversion_Rate[1:0]

R/W

10b

The conversion rate bits configure the device conversion period.

The default is conversion every 250ms.

00b = 4s / 0.25Hz

01b = 1s / 1Hz

10b = 0.25s / 4Hz

11b = 0.125s / 8Hz

Alert flag

The alert bit is a read-only bit which provides the information

about the alert status in comparator mode and is affected by

Alert_Mode setting. The polarity bit affects the alert flag.

4:0

Reserved

00000b

Reserved

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TMP113

SBOSAJ5 – DECEMBER 2024

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