LSM330DLC datasheet(48/66 Pages) STMICROELECTRONICS

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LSM330DLC

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Doc ID 022162 Rev 2

The content of this register is loaded at boot.

A write operation at this address is possible only after system boot.

The difference between AOI-6D = ‘01’ and AOI-6D = ‘11’.

AOI-6D = ‘01’ is movement recognition. An interrupt is generated when the orientation

moves from “unknown zone” to “known zone”. The interrupt signal remains for an ODR

duration.

AOI-6D = ‘11’ is direction recognition. An interrupt is generated when the orientation is

inside a “known zone”. The interrupt signal remains until orientation is within the zone.

8.15

INT1_SRC_A (31h)

YHIE/

YUPE

Enable interrupt generation on Y high event or on direction recognition. Default

value: 0 (0: disable interrupt request; 1: enable interrupt request.)

YLIE/

YDOWNE

Enable interrupt generation on Y low event or on direction recognition. Default

value: 0 (0: disable interrupt request; 1: enable interrupt request.)

XHIE/

XUPE

Enable interrupt generation on X high event or on direction recognition. Default

value: 0 (0: disable interrupt request; 1: enable interrupt request.)

XLIE/XDOWNE Enable interrupt generation on X low event or on direction recognition. Default

value: 0 (0: disable interrupt request; 1: enable interrupt request.)

Table 44.

Interrupt mode

AOI

Interrupt mode

OR combination of interrupt events

6 direction movement recognition

AND combination of interrupt events

6 direction position recognition

Table 43.

INT1_CFG_A description (continued)

Table 45.

INT1_SRC_A register

0(1)

This bit must be set to ‘0’ for correct operation.

Table 46.

INT1_SRC_A description

Interrupt active. Default value: 0

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

Z high. Default value: 0

(0: no interrupt, 1: Z High event has occurred)

Z low. Default value: 0

(0: no interrupt; 1: Z Low event has occurred)

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