LPS225HB datasheet(33/47 Pages) STMICROELECTRONICS

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LPS225HB

8.4

WHO_AM_I (0Fh)

Device Who am I

Address:

0Fh (R)

Description:

Contains the device Who am I address (B1h).

8.5

CTRL_REG1 (10h)

Control register 1

Address:

10h (R/W)

Reset:

00h

Description:

Control register.

[7] Reserved: this bit must be set to ‘0’ for the correct operation of the device

[6:4] ODR2, ODR1, ODR0: output data rate selection.

Default value: 000 (see Table 16)

[3] EN_LPFP: Enable low-pass filter on pressure data. Default value: 0

(0: Low-pass filter disabled; 1: Low-pass filter enabled)

[2] LPF_CFG: Low-pass configuration register. Default value: 0 (see Table 17)

[1] BDU: block data update.

Default value: 0

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

been read)

[0] SIM: SPI Serial Interface Mode selection.

Default value: 0

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

54321

11000

54321

ODR2

ODR1

ODR0

EN_LPFP

LPF_CFG

BDU

SIM

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