LPS331AP datasheet(18/36 Pages) STMICROELECTRONICS

部件名	LPS331AP

功能描述	MEMS pressure sensor: 260-1260 mbar absolute digital output barometer

PDF	36 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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18 / 36 page

LPS331AP

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Doc ID 022112 Rev 7

REF_P_H

Reference pressure (MSB data)

Address:

0Ah

Type:

R/W

Reset:

00h

Description:

This register contains the higher part of the reference pressure that is sum to the

sensor output pressure.

The full value is REF_P_XL & REF_P_H & REF_P_L and is represented as 2’s

complement.

RES_CONF(10h)

Pressure resolution mode

Address:

10h

Type:

R/W

Reset:

7Ah

Description:

AVGP3-AVGP0 allow to select the pressure internal average. AVGT2-AVGT0 allow to

select the temperature internal average.

AVGP3-AVGP0 bits can be configured as described in Table 15.

AVGT2-AVGT0 bits can be configured as described in Table 16.

REFL23

REFL22

REFL21

REFL20

REFL19

REFL18

REFL17

REFL16

[24:17] REFL23 - REFL16: Reference pressure MSB data. Default value: 00h.

765

432

RFU

AVGT2

AVGT1

AVGT0

AVGP3

AVGP2

AVGP1

AVGP0

Table 15.

Pressure resolution configuration

AVGP3

AVGP2

AVGP1

AVGP0

Nr. internal average

0000

0001

0010

0011

0100

0101

0110

0111

128

1000

256

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