SCC1300-D02

Murata Electronics Oy

Subject to changes

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www.muratamems.fi

Doc.Nr. 82113000

Rev. C

5.4.5 Accelerometer SPI Error Conditioning (Self Diagnostics) ......................................................... 26

5.4.5.1

FRME bit............................................................................................................................... 26

5.4.5.2

PORST bit ............................................................................................................................ 26

5.4.5.3

ST bit .................................................................................................................................... 26

5.4.5.4

SAT bit.................................................................................................................................. 26

5.4.5.5

aPAR bit ............................................................................................................................... 26

5.4.5.6

dPAR bit ............................................................................................................................... 27

5.4.5.7

Fixed bits ............................................................................................................................. 27

5.4.5.8

SPI error effect on acceleration output data .................................................................... 27

5.5 Accelerometer ASIC Addressing Space .................................................................................................. 28

5.5.1 Control Register (CTRL) ................................................................................................................. 29

5.5.2 Acceleration output registers ........................................................................................................ 29

5.5.2.1

Example of acceleration data conversion ........................................................................ 29

5.5.3 Accelerometer Temperature Output Registers............................................................................ 30

5.5.3.1

Example of accelerometer temperature conversion ....................................................... 30

6

Application Information ................................................................................................................ 31

6.1 Application Circuitry and External Component Characteristics ........................................................... 31

6.1.1 Separate Analog and Digital Ground Layers with Long Power Supply Lines .......................... 32

6.2 Boost Regulator and Power Supply Decoupling in Layout ................................................................... 33

6.2.1 Layout Example............................................................................................................................... 33

6.2.2 Thermal Connection ....................................................................................................................... 34

6.3 Assembly Instructions............................................................................................................................... 34