LIS2HH12 datasheet(31/47 Pages) STMICROELECTRONICS

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LIS2HH12

8.1

TEMP_L (0Bh), TEMP_H (0Ch)

Temperature output register (r). The value is expressed in two’s complement.

8.2

WHO_AM_I (0Fh)

Who_AM_I register (r). This register is a read-only register. Its value is fixed at 41h.

8.3

ACT_THS (1Eh)

Activity threshold register (r/w). Its value is fixed at 0x00. Inactivity threshold.

8.4

ACT_DUR (1Fh)

Activity duration register (r/w). Its value is fixed at 0x00. Activity duration.

8.5

CTRL1 (20h)

Control register 1(r/w)

Table 22. Control register 1

Table 23. Control register 1 description

Table 19. WHO_AM_I register default values

01000001

Table 20. ACT_THS register default values

0(1)

1. This bit must be set to ‘0’ for the correct operation of the device.

THS6

THS5

THS4

THS3

THS2

THS1

THS0

Table 21. ACT_DUR register default values

DUR7

DUR6

DUR5

DUR4

DUR3

DUR2

DUR1

DUR0

ODR2

ODR1

ODR0

BDU

ZEN

YEN

XEN

High resolution bit. Default value: 0

0: normal mode, 1: high resolution (see

Table )

ODR [2:0]

Output data rate & power mode selection. Default value: 000 (see

Table )

BDU

Block data update. Default value: 0

0: continuous update; 1:output registers not updated until MSB and LSB read)

ZEN

Z-axis enable. Default value: 1 (0: Z-axis disabled; 1: Z-axis enabled)

YEN

Y-axis enable. Default value: 1 (0: Y-axis disabled; 1: Y-axis enabled)

XEN

X-axis enable. Default value: 1 (0: X-axis disabled; 1: X-axis enabled)

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