BME680 datasheet(29/53 Pages) BOSCH

29 / 53 page

Bosch Sensortec | BME680 Datasheet

29 | 53

Modifications reserved |Data subject not change without notice | Printed in Germany

Document number: BST-BME680-DS001-09 Revision_1.9_022024

5.3 Register description

5.3.1 General control registers

5.3.1.1 SPI 3 wire interrupt enable – spi_3w_int_en

Address

Content<bit position>

Description

ctrl_hum

0x72

spi_3w_int_en <6>

New data interrupt can be enabled if the device is in

SPI 3 wire mode and pi_3w_int_en=1.

The new data interrupt is then indicated on the SDO

pad.

5.3.1.2 SPI 3 wire enable – spi_3w_en

Address

Content<bit position>

Description

config

0x75

spi_3w_en<0>

Enable SPI 3 wire mode

5.3.1.3 Mode Selection – mode

The operation modes of the sensor can be controlled by the register mode as specified below.

Address

Content<bit position>

Description

ctrl_meas

0x74

mode<1:0>

Select sensor power mode as shown in the following

table

mode<1:0>

Mode

Sleep mode

Forced mode

5.3.1.4 SPI memory map page selection – spi_mem_page

In SPI mode complete memory page is accessed using page 0 & page 1. Register spi_mem_page is used for page selection.

After power-on, spi_mem_page is in its reset state and page 0(0x80 to 0xFF) will be active. Page1 (0x00 to 0x7F) will be

active on setting spi_mem_page. Please refer Table 19 for better understanding.

Address

Content<bit position>

Description

status

0x73(Page 0/1)

spi_mem_page <4>

Selects memory map page in SPI mode

BME680 датащи(PDF) 29 Page - Bosch Sensortec GmbH

BME680 датащи(HTML) 29 Page - Bosch Sensortec GmbH

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53

датащи скачать

ссылки URL