ASM330LXH datasheet(47/56 Pages) STMICROELECTRONICS

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ASM330LXH

6.20

CTRL9_XL (18h)

Linear acceleration sensor Control Register 9 (r/w).

6.21

CTRL10_C (19h)

Control Register 10 (r/w).

FDS

Filtered data selection. Default value: 0.

(0: internal filter bypassed; 1: data from internal filter sent to output register and FIFO)

HPIS

High-pass filter enabled for accelerometer interrupt function on Interrupt 1. Default

value: 0.

(0: filter bypassed; 1: filter enabled)

Table 63. Low pass cut-off frequency in high-resolution mode (HR = 1)

CTRL8_XL (HR)

CTRL8_XL (DCF [1:0])

LP cutoff freq. [Hz]

ODR/50

ODR/100

ODR/9

ODR/400

Table 62. CTRL8_XL register description (continued)

Table 64. CTRL9_XL register

DEC_1

DEC_0

Zen_XL

Yen_XL

Xen_XL

Table 65. CTRL9_XL register description

DEC_ [1:0]

Decimation of acceleration data on OUT REG and FIFO. Default value: 00.

(00: no decimation;

01: update every 2 samples;

10: update every 4 samples;

11: update every 8 samples)

Zen_XL

Accelerometer’s Z-axis output enable. Default value: 1.

(0: Z-axis output disabled; 1: Z-axis output enabled)

Yen_XL

Accelerometer’s Y-axis output enable. Default value: 1.

(0: Y-axis output disabled; 1: Y-axis output enabled)

Xen_XL

Accelerometer’s X-axis output enable. Default value: 1.

(0: X-axis output disabled; 1: X-axis output enabled)

Table 66. CTRL10_C register

0(1)

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

0(1)

Zen_G

Yen_G

Xen_G

DCRM_XL

LIR_XL

4D_XL

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