BMC150 datasheet(64/141 Pages) ETC2

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Datasheet

eCompass BMC150

Page 64

Confidential

BST-BMC150-DS000-03 | Revision 0.4 | February 2013

Bosch Sensortec

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. Accelerometer register description

6.1 General remarks

The entire communication with the device is performed by reading from and writing to registers.

Registers have a width of 8 bits; they are mapped to a common space of 64 addresses from

(0x00) up to (0x3F). Within the used range there are several registers which are either

completely or partially marked as ‘reserved’. Any reserved bit is ignored when it is written and

no specific value is guaranteed when read. It is recommended not to use registers at all which

are completely marked as ‘reserved’. Furthermore it is recommended to mask out (logical and

with zero) reserved bits of registers which are partially marked as reserved.

Registers with addresses from (0x00) up to (0x0E) are read-only. Any attempt to write to these

registers is ignored. There are bits within some registers that trigger internal sequences. These

bits are configured for write-only access, e. g. (0x21) reset_int or the entire (0x14) softreset

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