Data Sheet

Bosch Sensortec | BME280 Data sheet
29 | 55
Modifications reserved | Data subject to change without notice
Document number: BST-BME280-DS002-15
Revision_1.6_092018
Table 22: Register 0xF4 “ctrl_meas”
Register 0xF4
“ctrl_meas”
Name
Description
Bit 7, 6, 5
osrs_t[2:0]
Controls oversampling of temperature data. See
Table 24 for settings and chapter 3.4.3 for details.
Bit 4, 3, 2
osrs_p[2:0]
Controls oversampling of pressure data. See
Table 23 for settings and chapter 3.4.2 for details.
Bit 1, 0
mode[1:0]
Controls the sensor mode of the device. See Table
25 for settings and chapter 3.3 for details.
Table 23: register settings osrs_p
osrs_p[2:0]
Pressure oversampling
000
Skipped (output set to 0x80000)
001
oversampling ×1
010
oversampling ×2
011
oversampling ×4
100
oversampling ×8
101, others
oversampling ×16
Table 24: register settings osrs_t
osrs_t[2:0]
Temperature oversampling
000
Skipped (output set to 0x80000)
001
oversampling ×1
010
oversampling ×2
011
oversampling ×4
100
oversampling ×8
101, others
oversampling ×16
Table 25: register settings mode
mode[1:0]
Mode
00
Sleep mode
01 and 10
Forced mode
11
Normal mode