LPS35HW datasheet(37/48 Pages) STMICROELECTRONICS

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LPS35HW

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8.9

REF_P_XL (15h)

Reference pressure (LSB data)

Table 25: REF_P_XL (15h) register

REFL7

REFL6

REFL5

REFL4

REFL3

REFL2

REFL1

REFL0

REFL[7:0]

This register contains the low part of the reference pressure value.

The Reference pressure value is a 24-bit data and it is composed of Section 10.11:

"REF_P_H_17h", Section 10.10: "REF_P_L_16h" and Section 10.9: "REF_P_XL (15h)".

The value is expressed as 2’s complement.

The reference pressure value is used when AUTOZERO or AUTORIFP function is

enabled(refer to the Section 10.7: "CTRL_REG3 (12h)" register) and for the Autozero

function (refer to the Section 10.1: "INTERRUPT_CFG (0Bh)" register).

8.10

REF_P_L_16h

Reference pressure (middle part)

Table 26: REF_P_L (16h) register

REFL15

REFL14

REFL13

REFL12

REFL11

REFL10

REFL9

REFL8

REFL[15:8]

This register contains the mid part of the reference pressure value.

Refer to Section 10.9: "REF_P_XL (15h)".

8.11

REF_P_H_17h

Reference pressure (MSB part)

Table 27: REF_P_H (17h) register

REFL23

REFL22

REFL21

REFL20

REFL19

REFL18

REFL17

REFL16

REFL[23:16]

This register contains the high part of the reference pressure value.

Refer to Section 10.9: "REF_P_XL (15h)".

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