LSM6DB0 datasheet(54/66 Pages) STMICROELECTRONICS

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LSM6DB0

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CTRL_REG8 (22h)

Control register 8.

Table 71. CTRL_REG7_XL register description

High resolution mode for accelerometer enable. Default value: 0

(0: disabled; 1: enabled). Refer to Table 72.

DCF[1:0]

Accelerometer digital filter (high-pass and low-pass) cutoff frequency selection: the bandwidth of the

high-pass filter depends on the selected ODR. Refer to Table 72.

FDS

Filtered data selection. Default value: 0.

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

HPIS1

High Pass filter enabled for acceleration sensor interrupt function on Interrupt. Default value: 0.

(0: filter bypassed; 1: filter enabled)

Table 72. Low-pass cutoff frequency in high resolution mode (HR = 1)

CTRL_REG7 (DCF [1:0])

LP cutoff Freq. [Hz]

ODR/50

ODR/100

ODR/9

ODR/400

Table 73. CTRL_REG8 register

BOOT

BDU

H_LACTIVE

0(1)

SIM

IF_ADD_INC

BLE

SW_RESET

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

Table 74. CTRL_REG8 register description

BOOT

Reboot memory content. Default value: 0

(0: normal mode; 1: reboot memory content(1))

BDU

Block Data Update. Default value: 0

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

H_LACTIVE

Interrupt activation level. Default value: 0

(0: interrupt output pins active high; 1: interrupt output pins active low)

SIM

SPI serial interface mode selection. Default value: 0

(0: 4-wire interface; 1: 3-wire interface)

IF_ADD_INC

interface (I2C or SPI). Default value: 1

(0: disabled; 1: enabled)

BLE

Big/Little Endian data selection. Default value 0.

(0: data LSB @ lower address; 1: data MSB @ lower address)

SW_RESET

Software Reset. Default value: 0

(0: normal mode; 1: reset device)

This bit is cleared by hardware after next flash boot.

1. Boot request is executed as soon as the internal oscillator is turned-on. It is possible to set the bit while in power-down

mode, in this case it will be served at the next normal mode or sleep mode.

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