TABLE OF CONTENTS
1 Introduction ................................................................................................................................. 4
2 Specifications ............................................................................................................................. 4
2.1 Abbreviations ......................................................................................................................... 4
2.2 General Specifications ........................................................................................................... 4
2.3 Accelerometer Performance Specifications ............................................................................ 5
2.4 Temperature Sensor Performance Specification .................................................................... 6
2.5 Absolute Maximum Ratings ................................................................................................... 6
2.6 Pin Description....................................................................................................................... 7
2.7 Typical Performance Characteristics ...................................................................................... 8
2.8 Digital I/O Specification ........................................................................................................ 12
2.8.1 DC Characteristics .......................................................................................................... 12
2.8.2 SPI AC Characteristics ................................................................................................... 13
2.9 Measurement Axis and Directions........................................................................................ 14
2.10 Package Characteristics ...................................................................................................... 15
2.10.1 Package Outline Drawing ............................................................................................ 15
2.11 PCB Footprint ...................................................................................................................... 16
3 General Product Description.................................................................................................... 16
3.1 Factory Calibration ............................................................................................................... 17
4 Component Operation and Reset ............................................................................................ 17
4.1 Component Operation .......................................................................................................... 17
4.2 Start-up Sequence ............................................................................................................... 18
4.3 Operation Modes ................................................................................................................. 19
5 Component Interfacing ............................................................................................................. 19
5.1.1 General ........................................................................................................................... 19
5.1.2 Protocol .......................................................................................................................... 19
5.1.3 SPI Frame ...................................................................................................................... 20
5.1.4 Operations ...................................................................................................................... 21
5.1.5 Return Status .................................................................................................................. 22
5.2 Checksum (CRC) ................................................................................................................. 22
6 Register Definition .................................................................................................................... 24
6.1 Sensor Data Block ............................................................................................................... 25
6.1.1 Example of Acceleration Data Conversion ...................................................................... 25
6.1.2 Example of Temperature Data Conversion ..................................................................... 26
6.2 STO ..................................................................................................................................... 27
6.2.1 Example of Self-Test Analysis ........................................................................................ 28
6.3 STATUS .............................................................................................................................. 28
6.3.1 Example of STATUS summary reset .............................................................................. 30
