FXLS8471Q datasheet(43/75 Pages) FREESCALE

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FXLS8471Q

Sensors

Freescale Semiconductor, Inc.

10.5

Sensor data configuration

10.5.1

XYZ_DATA_CFG (0x0E) register

The XYZ_DATA_CFG register is used to configure the desired acceleration full-scale range, and also to select whether the output

data is passed through the high-pass filter.

10.6

High-Pass filter

10.6.1

HP_FILTER_CUTOFF (0x0F) register

High-pass filter cutoff frequency setting register.

Table 54. XYZ_DATA_CFG register

—

hpf_out

—

fs[1:0]

000000

Table 55. XYZ_DATA_CFG bit descriptions

Field

Description

hpf_out

Enable high-pass filter on acceleration output data

1: Output data is high-pass filtered

0: High-pass filter is disabled.

fs[1:0]

Accelerometer full-scale range selection. See Table 56

Table 56.

fs[1]

fs[0]

Full-Scale range

±0.244 mg/LSB

±0.488 mg/LSB

±0.976 mg/LSB

Reserved

Table 57. HP_FILTER_CUTOFF register

—

pulse_hpf_byp

pulse_lpf_en

—

sel[1:0]

000000

Table 58. HP_FILTER_CUTOFF bit descriptions

Field

Description

pulse_hpf_byp

Bypass high-pass filter for pulse processing function

0: HPF enabled for pulse processing

1: HPF bypassed for pulse processing

pulse_lpf_en

Enable low-pass filter for pulse processing function

0: LPF disabled for pulse processing

1: LPF enabled for pulse processing

sel[1:0]

HPF cutoff frequency selection

See Table 59.

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