Bosch Sensortec | BST-BMP581-DS004-11

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Document number: BST-BMP581-DS004-11

as well as in the event of applications for industrial property rights

Table of Contents

1 Basic Description..........................................................................................................................................................2

2 Specification..................................................................................................................................................................8

3 Quick start guide.........................................................................................................................................................14

3.1 Sensor API and COINES.....................................................................................................................................14

4 Functional Description and Features........................................................................................................................14

4.1 Block diagram......................................................................................................................................................14

4.2 Power management ............................................................................................................................................14

4.3 Power modes.......................................................................................................................................................16

4.3.1

STANDBY mode .....................................................................................................................................16

4.3.2

DEEP STANDBY ....................................................................................................................................16

4.3.3

FORCED mode.......................................................................................................................................16

4.3.4

NORMAL mode.......................................................................................................................................17

4.3.5

Low Power NORMAL mode....................................................................................................................17

4.3.6

CONTINOUS mode ................................................................................................................................17

4.3.7

Mode transitions .....................................................................................................................................18

4.3.8

Mode-depending register write restrictions ............................................................................................18

4.3.9

Post-power-up procedure.......................................................................................................................18

4.3.10 Soft reset ................................................................................................................................................18

4.4 Measurements.....................................................................................................................................................18

4.4.1

Pressure and temperature measurement enable...................................................................................18

4.4.2

Pressure and temperature oversampling ratio (OSR)............................................................................19

4.4.3

Configuration changes in NORMAL and CONTINUOUS mode.............................................................19

4.4.4

IIR filter ...................................................................................................................................................19

4.5 Data registers ......................................................................................................................................................22

4.5.1

Data Shadowing .....................................................................................................................................22

4.6 FIFO ....................................................................................................................................................................22

4.6.1

FIFO Configuration .................................................................................................................................22

4.6.2

FIFO status.............................................................................................................................................23

4.6.3

FIFO data readout ..................................................................................................................................23

4.6.4

FIFO configuration changes ...................................................................................................................25

4.7 Interrupts .............................................................................................................................................................25

4.7.1

Interrupt enabling....................................................................................................................................25

4.7.2

Interrupt sources.....................................................................................................................................25

4.7.3

Interrupt pin.............................................................................................................................................27