BMA020 datasheet(9/50 Pages) BOSCH

tên linh kiện	BMA020

Giải thích chi tiết về linh kiện	Digital, triaxial acceleration sensor

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nhà sản xuất	BOSCH [Bosch Sensortec GmbH]

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Data sheet

BMA020

Digital, triaxial acceleration sensor

Bosch Sensortec

Rev. 1.2

Page 9

30 May 2008

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.

Figure 1: Global memory map of BMA020

Important notes:

1) Bits 5, 6 and 7 of register addresses 14h do contain critical sensor individual calibration data

which must not be changed or deleted by any means.

In order to properly modify addresses 14h for range and/or bandwidth selection using bits 0, 1,

2, 3 and 4, it is highly recommended to read-out the complete byte, perform bit-slicing and write

back the complete byte with unchanged bits 5, 6 and 7.

Otherwise the reported acceleration data may show incorrect results.

2) Bit 7, bit 5 and bit 4 of register 0Ah should be left at a value of “0”.

BMA020 bảng dữ liệu(PDF) 9 Page - Bosch Sensortec GmbH