LPS331APTR datasheet(25/36 Pages) STMICROELECTRONICS

No de pièce	LPS331APTR

Description	MEMS pressure sensor: 260-1260 mbar absolute digital output barometer

PDF	36 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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25 / 36 page

LPS331AP

Doc ID 022112 Rev 7

25/36

INT_SOURCE

Interrupt source

Address:

24h

Type:

Reset:

00h

Description:

INT_SOURCE register is cleared by reading INT_ACK register.

THS_P_L

Threshold pressure (LSB

)

Address:

25h

Type:

R/W

Reset:

00h

Description:

This register contains the low part of threshold value for pressure interrupt

generation. The complete threshold value is given by THS_P_H & THS_P_L and is

expressed as unsigned number.

543

210

000

[7:3]

[2] IA: Interrupt Active.

(0: no interrupt has been generated; 1: one or more interrupt events have been generated).

[1] PL: Differential pressure Low.

(0: no interrupt has been generated; 1: Low differential pressure event has occurred).

[0] PH: Differential pressure High.

(0: no interrupt has been generated; 1: High differential pressure event has occurred).

543

210

THS7

THS6

THS5

THS4

THS3

THS2

THS1

THS0

[7:0] THS7 - THS0: Threshold pressure LSB. Default value: 00h.

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