STTS751-0DP3F datasheet(17/36 Pages) STMICROELECTRONICS

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STTS751

STTS751 register summary

Doc ID 16483 Rev 5

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4.6

Configuration register

The STTS751 configuration register is read/write and controls the functionality of

temperature measurements. It is located at address 03h. The configuration register bits

function as described below.

Description

MASK1: [bit 7]

0: EVENT is enabled. Any out-of-limit condition asserts the EVENT pin (active low).

1: EVENT is disabled.

RUN/STOP: [bit 6]

0: Device is running in continuous conversion mode.

1: Device is in standby mode drawing minimum power.

The RUN/STOP bit controls temperature conversions by the ADC. When this bit is 0, the

ADC converts temperatures in continuous mode, at a rate as selected by the Conversion

Rate register (Section 4.7). When the RUN/STOP bit is 1, the ADC will be in standby mode,

thus reducing current supply significantly.

Note:

The device can still be accessed via the SMBus while in standby mode.

When RUN/STOP is 1 and the one-shot register is written to, the ADC will execute a

temperature measurement and then return to standby mode.

[bit 5]: This bit must always be 0.

RFU: [bit 4] Not used - reserved.

Table 15.

Configuration register

ADDR

(hex)

R/W

Power-up

default

(hex)

R/W

Configuration

MASK1 RUN/STOP

RFU

Tres1

Tres0

RFU

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