Datasheet

BMP280 Digital Pressure Sensor

Page 34

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

Bosch Sensortec

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

CSB

SCK

T_setup_csb

T_low_sck

T_high_sck

T_hold_csb

SDI

T_setup_sdi

T_hold_sdi

SDO

T_delay_sdo

Figure 13: SPI timing diagram

Table 28: SPI timings

Parameter

Symbol

Condition

Min

Typ

Max

Units

SPI clock input frequency

F_spi

0

10

MHz

SCK low pulse

T_low_sck

20

ns

SCK high pulse

T_high_sck

20

ns

SDI setup time

T_setup_sdi

20

ns

SDI hold time

T_hold_sdi

20

ns

SDO output delay

30

ns

SDO output delay

40

ns

CSB setup time

T_setup_csb

20

ns

CSB hold time

T_hold_csb

20

ns