TMP116 datasheet(26/46 Pages) TI2

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TMP116, TMP116N

SBOS740A – MAY 2017 – REVISED MAY 2019

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7.6.1.2 Configuration Register (address = 01h) [Factory default reset = 0220h]

(1)

The MOD1 bit cannot be stored in EEPROM. The device can only be programmed to start up in shutdown mode or continuous

conversion mode.

(2)

These bits can be stored in EEPROM. The factory setting for this register is 0220.

Figure 32. Configuration Register

HIGH_Alert

LOW_Alert

Data_Ready

EEPROM_Busy

MOD1(1)

MOD0(2)

CONV2(2)

CONV1(2)

R-0

R/W-0

R/W-1

R/W-0

CONV0(2)

AVG1(2)

AVG0(2)

T/nA(2)

POL(2)

DR/Alert(2)

—

R/W-0

R/W-1

R/W-0

R-0

Table 6. Configuration Register Field Descriptions

BIT

FIELD

TYPE

RESET

DESCRIPTION

HIGH_Alert

High Alert flag:

1: Set when the conversion result is higher than the high limit

0: Cleared on read of configuration register

Therm mode:

1: Set when the conversion result is higher than the therm limit

0: Cleared when the conversion result is lower than the

hysteresis

LOW_Alert

Low Alert flag:

1: Set when the conversion result is lower than the low limit

0: Cleared when the configuration register is read

Therm mode: Always set to 0

Data_Ready

Data ready flag.

This flag indicates that the conversion is complete and the

temperature register can be read. Every time the temperature

bit is set at the end of the conversion when the temperature

by setting bit 2 of the configuration register.

EEPROM_Busy

EEPROM busy flag.

The value 1 of the flag indicates that the EEPROM is busy during

programming or power-up.

11:10

MOD[1:0]

R/W

Set Temperature conversion mode.

00: Continuous conversion (CC)

01: Shutdown (SD)

10: Continuous conversion (CC), same as 00 (reads back = 00)

11: One-shot conversion (OS)

9:7

CONV[2:0]

R/W

100

Conversion cycle bit.

See Table 7 for the standby time between conversions.

6:5

AVG[1:0]

R/W

Conversion averaging modes.

These bits determine the number of conversion results that are

collected and averaged before updating the temperature register.

The average is an accumulated average and not a running

average. Table 7 lists the bit settings for AVG.

T/nA

R/W

Therm/alert mode select.

1: Therm mode

0: Alert mode

POL

R/W

ALERT pin polarity bit.

1: Active high

0: Active low

DR/Alert

R/W

ALERT pin select bit.

1: ALERT pin reflects the status of the data ready flag

0: ALERT pin reflects the status of the alert flags

1:0

—

Not used

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