LPS33HW datasheet(40/50 Pages) STMICROELECTRONICS

부품명	LPS33HW

상세설명	MEMS pressure sensor: 260-1260 hPa absolute digital output barometer with water-resistant package

PDF	50 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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40 / 50 page

LPS33HW

40/50

DocID030522 Rev 1

8.9

REF_P_XL (15h)

Reference pressure (LSB data)

The reference pressure value is 24-bit data and is composed of REF_P_H (17h), REF_P_L

(16h) and REF_P_XL (15h). The value is expressed as 2’s complement.

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

enabled (refer to CTRL_REG3 (12h)) and for the Autozero function (refer to the

INTERRUPT_CFG (0Bh)).

8.10

REF_P_L (16h)

Reference pressure (middle part)

8.11

REF_P_H (17h)

Reference pressure (MSB part)

54321

REFL7

REFL6

REFL5

REFL4

REFL3

REFL2

REFL1

REFL0

REFL[7:0]

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

54321

REFL15

REFL14

REFL13

REFL12

REFL11

REFL10

REFL9

REFL8

REFL[15:8]

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

Refer to REF_P_XL (15h).

54321

REFL23

REFL22

REFL21

REFL20

REFL19

REFL18

REFL17

REFL16

REFL[23:16]

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

Refer to REF_P_XL (15h).

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