BMP390 datasheet(39/59 Pages) BOSCH

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Bosch Sensortec | BMP390 Datasheet

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Modifications reserved |Data subject to change without notice | Printed in Germany

Document number: BST-BMP390-DS002-07 Revision_1.7_032021

4.3.21. Register 0x1F “CONFIG”

The “CONFIG” register controls the IIR filter coefficients.

Table 46: Register 0x1F “CONFIG”

Name

Description

Bit 3..1

iir_filter

filter coefficient for IIR filter

000

coef_0

filter coefficient is 0 -> bypass-mode

001

coef_1

filter coefficient is 1

010

coef_3

filter coefficient is 3

011

coef_7

filter coefficient is 7

100

coef_15

filter coefficient is 15

101

coef_31

filter coefficient is 31

110

coef_63

filter coefficient is 63

111

coef_127

filter coefficient is 127

4.3.22. Register 0x30 .. 0x57 “calibration data”

The overview over the calibration data can be found in Chapter 3.11.1.

4.3.23. Register 0x7E “CMD”

The available commands of the “CMD” register are listed below.

Table 47: Register 0x7E “CMD”

Name

Description

Bit 7..0

cmd

All Available commands

(Note: Register will always read as 0x00)

Table 48: available cmd commands listed below

Value

Name

Description

0x00

nop

reserved. No command.

0xB0

fifo_flush

Clears all data in the FIFO, does not change FIFO_CONFIG

registers

0xB6

softreset

Triggers a reset, all user configuration settings are overwritten

with their default state

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