LPS22DF datasheet(34/54 Pages) STMICROELECTRONICS

부품명	LPS22DF

상세설명	Low-power and high-precision MEMS nano pressure sensor: 260-1260 hPa absolute digital output barometer

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제조업체	STMICROELECTRONICS [STMicroelectronics]

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34 / 54 page

9.6

CTRL_REG1 (10h)

Control register 1 (R/W)

ODR3

ODR2

ODR1

ODR0

AVG2

AVG1

AVG0

ODR[3:0]

Output data rate selection. Default value: 0000

Refer to Table 17.

AVG[2:0]

Average selection. Default value: 000

Refer to Table 18.

Table 17. Output data rate bit configurations

ODR[3:0]

ODR of pressure, temperature

0000

Power-down / one-shot

0001

1 Hz

0010

4 Hz

0011

10 Hz

0100

25Hz

0101

50 Hz

0110

75 Hz

0111

100 Hz

1xxx

200 Hz

Table 18. Averaging selection

AVG[2:0]

Averaging of pressure and temperature

000

001

010

011

100

101

128

111

512

The power consumption of the LPS22DF mainly depends on the selected ODR (Output Data Rate) and on

the selected resolution. The user can select the desired ODR and the oversampling frequency for pressure

measurements in the CTRL_REG1 (10h) register. The ODR[3:0] bits are dedicated to the ODR selection, while

the AVG[2:0] bits are used to configure the resolution.

The following table summarizes the current consumption of all the ASIC resolution modes.

LPS22DF

CTRL_REG1 (10h)

DS13316 - Rev 1

page 34/54

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