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Confidential
BST-BMA400-DS000-00 | Version 0.1 | November 2017 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.
Register (0x55) ACTCH_CONFIG0 ........................................................................................ 104
Register (0x56) ACTCH_CONFIG1 ........................................................................................ 105
Register (0x57) TAP_CONFIG ................................................................................................ 106
Register (0x58) TAP_CONFIG1 .............................................................................................. 106
Register (0x59) STEP_COUNTER_CONFIG0 ........................................................................ 108
Register (0x5A) STEP_COUNTER_CONFIG1 ....................................................................... 108
Register (0x5B) STEP_COUNTER_CONFIG2 ....................................................................... 109
Register (0x5C) STEP_COUNTER_CONFIG3 ....................................................................... 109
Register (0x5D) STEP_COUNTER_CONFIG4 ....................................................................... 110
Register (0x5E) STEP_COUNTER_CONFIG5 ....................................................................... 110
Register (0x5F) STEP_COUNTER_CONFIG6 ........................................................................ 111
Register (0x60) STEP_COUNTER_CONFIG7 ......................................................................... 111
Register (0x61) STEP_COUNTER_CONFIG8 ........................................................................ 112
Register (0x62) STEP_COUNTER_CONFIG9 ........................................................................ 112
Register (0x63) STEP_COUNTER_CONFIG10 ...................................................................... 113
Register (0x64) STEP_COUNTER_CONFIG11 ...................................................................... 113
Register (0x65) STEP_COUNTER_CONFIG12 ...................................................................... 114
Register (0x66) STEP_COUNTER_CONFIG13 ...................................................................... 114
Register (0x67) STEP_COUNTER_CONFIG14 ...................................................................... 115
Register (0x68) STEP_COUNTER_CONFIG15 ...................................................................... 115
Register (0x69) STEP_COUNTER_CONFIG16 ...................................................................... 116
Register (0x6A) STEP_COUNTER_CONFIG17 ..................................................................... 116
Register (0x6B) STEP_COUNTER_CONFIG18 ..................................................................... 117
Register (0x6C) STEP_COUNTER_CONFIG19 ..................................................................... 117
Register (0x6D) STEP_COUNTER_CONFIG20 ..................................................................... 118
Register (0x6E) STEP_COUNTER_CONFIG21 ..................................................................... 118
Register (0x6F) STEP_COUNTER_CONFIG22...................................................................... 119
Register (0x70) STEP_COUNTER_CONFIG23 ...................................................................... 119
Register (0x71) STEP_COUNTER_CONFIG24 ...................................................................... 120
Register (0x7C) IF_CONF ...................................................................................................... 120
Register (0x7D) SELF_TEST .................................................................................................. 121
Register (0x7E) CMD.............................................................................................................. 122
6. DIGITAL INTERFACES .............................................................................................................. 123
6.1. INTERFACE ....................................................................................................................... 123
6.2. INTERFACE I2C/SPI PROTOCOL SELECTION ....................................................................... 124
6.3. SPI INTERFACE AND PROTOCOL ......................................................................................... 124
6.4. PRIMARY I2C INTERFACE ................................................................................................... 129
I²C read access: ..................................................................................................................... 131
7. PIN-OUT AND CONNECTION DIAGRAMS .............................................................................. 133
7.1. PIN-OUT ........................................................................................................................... 133
7.2. CONNECTION DIAGRAMS ................................................................................................... 134
SPI ......................................................................................................................................... 134
I2C.......................................................................................................................................... 135
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