Datasheet

BMP280 Digital Pressure Sensor

Page 35

BST-BMP280-DS001-19 | Revision 1.19 | January 2018

Bosch Sensortec

© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third

parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.

Note: Specifications within this document are subject to change without notice. Not intended for publication.

6. Pin-out and connection diagram

6.1 Pin-out

TOP VIEW

(pads not visible)

8

7

GND

6

5

SDO

1

GND

2

CSB

3

SDI

4

SCK

BOTTOM VIEW

(pads visible)

8

7

GND

6

5

SDO

1

GND

2

CSB

3

SDI

4

SCK

Vent hole

Pin 1

marker

Figure 14: Pin-out top and bottom view

Table 29: Pin description

Pin

Name

I/O Type

Description

Connect to

SPI 4W

SPI 3W

I²C

1

GND

Supply

Ground

GND

2

CSB

In

Chip select

CSB

CSB

3

SDI

In/Out

Serial data input

SDI

SDI/SDO

SDA

4

SCK

In

Serial clock input

SCK

SCK

SCL

5

SDO

In/Out

Serial data output

SDO

DNC

GND for

default

address

6

Supply

Digital interface

supply

7

GND

Supply

Ground

GND

8

Supply

Analog supply