LSM303AGR datasheet(47/68 Pages) STMICROELECTRONICS

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LSM303AGR

8.8

CTRL_REG3_A (22h)

Table 36. CTRL_REG2 description

HPM[1:0]

High-pass filter mode selection. Default value: 00

Refer to Table 37 for filter mode configuration

HPCF[2:1]

High-pass filter cutoff 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 enable for CLICK function.

(0: filter bypassed; 1: filter enabled)

HPIS2

High-pass filter enable for AOI function on Interrupt 2.

(0: filter bypassed; 1: filter enabled)

HPIS1

High-pass filter enable for AOI function on Interrupt 1.

(0: filter bypassed; 1: filter enabled)

Table 37. High-pass filter mode configuration

HPM1 HPM0 High-pass filter mode

Normal mode (reset by reading the REFERENCE/DATACAPTURE_A (26h) regis-

ter)

Reference signal for filtering

Normal mode

Autoreset on interrupt event

Table 38. CTRL_REG3 register

I1_CLICK

I1_AOI1

I1_AOI2

I1_DRDY1

I1_DRDY2

I1_WTM

I1_OVERRUN

Table 39. CTRL_REG3 description

I1_CLICK

CLICK interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_AOI1

AOI1 interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_AOI2

AOI2 interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_DRDY1

DRDY1 interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_DRDY2

DRDY2 interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_WTM

FIFO watermark interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

I1_OVERRUN

FIFO overrun interrupt on INT1 pin. Default value 0.

(0: disable; 1: enable)

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