bmp280 datasheet
Table Of Contents
- 1. Specification
- 2. Absolute maximum ratings
- 3. Functional description
- 4. Global memory map and register description
- 5. Digital interfaces
- 6. Pin-out and connection diagram
- 7. Package, reel and environment
- 8. Appendix 1: Computation formulae for 32 bit systems
- 9. Legal disclaimer
- 10. Document history and modification
Bosch
Sensortec | BMP280 Data sheet
37 |
48
Modifications reserved | Data subject to change without notice
Document number: BST-BMP280-DS001-23 Revision_1.23_11202
0
6.4 Connection diagram I
2
C
Figure 17: I²C connection diagram (Pin1 marking indicated)
Notes:
• The recommended value for C
1
, C
2
is 100 nF.
• A direct connection between CSB and V
DDIO
is recommended. If CSB is detected as low during
startup, the interface will be locked into SPI mode. See chapter 5.1.
TOP VIEW
(pads not visible)
8
V
DD
7
GND
6
V
DDIO
5
SDO
1
GND
2
CSB
3
SDI
4
SCK
SDA
C
1
SCL
V
DDIO
V
DD
C
2
I2C address bit 0
GND: '0'; V
DDIO
: '1'
Vent hole










