Data Sheet
Final Datasheet
BME280 Environmental sensor
Page 28
BST-BME280-DS001-10 | Revision 1.1 | May 2015 Bosch Sensortec
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Note: Specifications within this document are subject to change without notice.
Table 26: Register 0xF5 “config”
Register 0xF5
“config”
Name
Description
Bit 7, 6, 5
t_sb[2:0]
Controls inactive duration t
standby
in normal mode. See
Table 27 for settings and chapter 3.3.4 for details.
Bit 4, 3, 2
filter[2:0]
Controls the time constant of the IIR filter. See Table 27
for settings and chapter 3.4.4 for details.
Bit 0
spi3w_en[0]
Enables 3-See
chapter 6.3 for details.
Table 27: t_sb settings
t_sb[2:0]
t
standby
[ms]
000
0.5
001
62.5
010
125
011
250
100
500
101
1000
110
10
111
20
Table 28: filter settings
filter[2:0]
Filter coefficient
000
Filter off
001
2
010
4
011
8
100, others
16
5.4.7 Register 0xF7…0xF9 “press” (_msb, _lsb, _xlsb)
The “press” register contains the raw pressure measurement output data up[19:0]. For details
on how to read out the pressure and temperature information from the device, please consult
chapter 4.