Datasheet

Preliminary Data Sheet
BMA400
Page 12 /
Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 Bosch Sensortec
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BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
1. Example 1: Testing communication with the BMA400, switch to SPI communication,
state data conversion, enable data ready interrupt and map it to INT1 pin
-reading chip id (checking correct communication) using I2C or SPI
power
up
chipid = read_reg(0x00)
chipid = 0x90 ?
communication: OK communication: ERROR
Yes
No
I2C
SPI/I2C
I2C
Sleep
mode
End
End
power
up
dummy = read_reg(0x00)
chipid = 0x90 ?
communication: OK communication: ERROR
Yes
No
chipid = read_reg(0x00)
SPI/I2C
SPI
SPI4
SPI4
sleep
mode
Confidential and under NDA
Seeed Studio
Confidential and under NDA
Seeed Studio
Confidential and under NDA