SGP40-D-R4 datasheet(14/19 Pages) SENSIRION

部件名	SGP40-D-R4

功能描述	Indoor Air Quality Sensor for VOC Measurements

PDF	19 Pages

Scroll/Zoom	100%

制造商	SENSIRION [Sensirion AG Switzerland]

网页	https://www.sensirion.com/

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14 / 19 page

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Version 1.0 – July 2020 – D1

14/19

Byte number

Description

Value

0, 1

two bytes

0xD4 00: all tests passed successfully

0x4B 00: one or more tests have failed

CRC byte for bytes 0, 1

–

Table 13 Returned values by the I2C built-in self-test command.

Return to Idle Mode

Command

Command hex. code

Description

sgp40_heater_off

0x36 15

This command turns the hotplate off and stops the measurement.

Subsequently, the sensor enters the idle mode.

Table 14 Description of the I2C heater off command.

Soft Reset

Command

Command hex. code

Description

soft_reset

0x00 06

This command is a general call resetting all devices connected to

the same I2C bus. The first byte refers to the general call address

and the second byte refers to the reset command. After calling

this command, the SGP40 will restart entering the idle mode.

Table 15 Description of the I2C general soft reset command.

SGP40-D-R4 数据表(PDF) 14 Page - Sensirion AG Switzerland