LPS331AP

Register description

Doc ID 022112 Rev 7

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7

Register description

The device contains a set of registers which are used to control its behavior and to retrieve

pressure and temperature data. The register address, made up of 7 bits, is used to identify

them and to read/write the data through the serial interface.

REF_P_XL

Reference pressure (LSB data)

Address:

08h

Type:

R/W

Reset:

00h

Description:

This reference pressure register contains the lower 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.

REF_P_L

Reference pressure (middle part)

Address:

09h

Type:

R/W

Reset:

00h

Description:

This register contains the middle 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.

76

543

210

REFL7

REFL6

REFL5

REFL4

REFL3

REFL2

REFL1

REFL0

[7:0] REFL7 - REFL0: Reference pressure LSB data. Default value: 00h

16

15

14

13

12

11

10

9

REFL15

REFL14

REFL13

REFL12

REFL11

REFL10

REFL9

REFL8

[16:9] REFL15 - REFL8: Default value: 00h