MIS2DH datasheet(42/49 Pages) STMICROELECTRONICS

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MIS2DH

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The content of this register is loaded at boot.

A write operation to 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 an unknown zone to a known zone. The interrupt signal remains for a duration

ODR.

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

inside a known zone. The interrupt signal remains while the orientation is inside the zone.

7.24

INT2_SRC (35h)

YLIE

Enable interrupt generation on Y low event. Default value: 0

(0: disable interrupt request;

1: enable interrupt request on measured accel. value lower than preset threshold)

XHIE

Enable interrupt generation on X high event. Default value: 0

(0: disable interrupt request;

1: enable interrupt request on measured accel. value higher than preset threshold)

XLIE

Enable interrupt generation on X low event. Default value: 0

(0: disable interrupt request;

1: enable interrupt request on measured accel. value lower than preset threshold)

Table 62. Interrupt mode

AOI

Interrupt mode

OR combination of interrupt events

6-direction movement recognition

AND combination of interrupt events

6-direction position recognition

Table 61. INT2_CFG description (continued)

Table 63. INT2_SRC register

YHYL

XHXL

Table 64. INT2_SRC 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)

Y high. Default value: 0

(0: no interrupt, 1: Y high event has occurred)

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