LSM330DLC datasheet(43/66 Pages) STMICROELECTRONICS

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LSM330DLC

Doc ID 022162 Rev 2

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8.2

CTRL_REG2_A (21h)

8.3

CTRL_REG3_A (22h)

Table 22.

CTRL_REG2_A register

HPM1

HPM0

HPCF2

HPCF1

FDS

HPCLICK

HPIS2

HPIS1

Table 23.

CTRL_REG2_A description

HPM1 -HPM0

High-pass filter mode selection. Default value: 00

Refer to Table 24, “High pass filter mode configuration”

HPCF2 -

HPCF1

High-pass filter cut-off frequency selection

FDS

Filtered data selection. Default value: 0

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

FIFO)

HPCLICK

High-pass filter enabled for CLICK function.

(0: filter bypassed; 1: filter enabled)

HPIS2

High-pass filter enabled for AOI function on interrupt 2,

(0: filter bypassed; 1: filter enabled)

HPIS1

High-pass filter enabled for AOI function on interrupt 1,

(0: filter bypassed; 1: filter enabled)

Table 24.

High-pass filter mode configuration

HPM1

HPM0

High-pass filter mode

Normal mode (reset reading HP_RESET_FILTER)

Reference signal for filtering

Normal mode

Autoreset on interrupt event

Table 25.

CTRL_REG3_A register

I1_CLICK

I1_AOI1

0(1)

This bit has to be set ‘0’ for correct operation

I1_DRDY1

I1_DRDY2

I1_WTM

I1_OVERRUN

Table 26.

CTRL_REG3_A description

I1_CLICK

CLICK interrupt on INT1_A. Default value 0.

(0: Disable; 1: Enable)

I1_AOI1

AOI1 interrupt on INT1_A. Default value 0.

(0: Disable; 1: Enable)

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