Data Sheet

Final Datasheet
BME280 Environmental sensor
Page 38
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.
7.2 Connection diagram I
2
C
I2C address bit 0
GND: '0'; V
DDIO
: '1'
TOP VIEW
(pads not visible)
8
V
DD
7
GND
6
V
DDIO
5
SDO
C
1
V
DDIO
V
DD
C
2
1
GND
2
CSB
3
SDI
4
SCK
SDA
SCL
Vent hole
R
2
R
1
Figure 17: I²C connection diagram
Notes:
 The recommended value for C
1
, C
2
is 100 nF
 The value for the pull-up resistors R
1
, R
2
should be based on the interface timing and the
bus load; a normal value is 4.7 kΩ
 A direct connection between CSB and V
DDIO
is required