LPS331APY datasheet(24/36 Pages) STMICROELECTRONICS

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LPS331AP

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Doc ID 022112 Rev 7

Figure 10.

Interrupt generation block and output pressure data.

INTERRUPT_CFG

Interrupt configuration

Address:

23h

Type:

R/W

Reset:

00h

Description:

Interrupt configuration.

543

210

RESERVED

LIR

PL_E

PH_E

AM08738V1

High press int

Low press int

Press Threshold

Reference Press

Press Threshold

Positive

Negative

Sensor output pressure

PRESS_OUT_H & PRESS_OUT_L & PRESS_OUT_XL

Reference Pressure

REF_P_H & REF_P_L & REF_P_XL

Pressure Threshold

THS_P_H & THS_P_L

-1

Low Press Interrupt

High Press Interrupt

[7:3] RESERVED

[2] LIR: Latch Interrupt request into INT_SOURCE register. Default value: 0.

(0: interrupt request not latched; 1: interrupt request latched)

[1] PL_E: Enable interrupt generation on differential pressure low event. Default value: 0.

(0: disable interrupt request;

1: enable interrupt request on measured differential pressure value lower than preset threshold)

[0] PH_E: Enable interrupt generation on differential pressure high event. Default value: 0

(0: disable interrupt request;

1:enable interrupt request on measured differential pressure value higher than preset

threshold)

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