SCA8X0/21X0/3100 Series
3.1.2.2
Y_MSB.........................................................................................................................................13
3.1.3
Z axis acceleration output ...................................................................................................................13
3.1.3.1
Z_LSB ..........................................................................................................................................13
3.1.3.2
Z_MSB .........................................................................................................................................13
3.1.4
Output data conversion.......................................................................................................................14
3.1.4.1
2g products ..................................................................................................................................14
3.1.4.2
6 g products .................................................................................................................................15
3.1.4.3
1 g products .................................................................................................................................15
3.1.5
Temperature output ............................................................................................................................15
3.1.5.1
Temperature Register Low (TEMP_LSB)....................................................................................15
3.1.5.2
Temperature Register High (TEMP_MSB) ..................................................................................16
3.1.6
Status Register (STATUS)..................................................................................................................17
3.1.7
Interrupt Status Register (INT_STATUS) ...........................................................................................17
3.2
Operation control registers.....................................................................................................18
Control Register (CTRL) .....................................................................................................................18
Reset Register (RESET).....................................................................................................................19
Revision ID (REVID) ...........................................................................................................................19
Component ID (ID)..............................................................................................................................19
3.2.1
3.2.2
3.3
Identification registers ............................................................................................................19
3.3.1
3.3.2
4 SPI Interface ......................................................................................................................20
4.1
Output of Acceleration Data ...................................................................................................21
Register read operation ......................................................................................................................22
Decremented register read operation .................................................................................................22
MOSI data of SPI commands .............................................................................................................23
FRME-bit .............................................................................................................................................23
PORST-bit...........................................................................................................................................23
ST-bit (SCA21X0 / 3100) ....................................................................................................................24
SAT-bit (SCA21X0 / 3100)..................................................................................................................24
aPAR-bit (SCA21X0 / 3100) ...............................................................................................................24
dPAR-bit..............................................................................................................................................25
Fixed bits.............................................................................................................................................25
Output data .........................................................................................................................................25
4.1.1
4.1.2
4.1.3
4.2
Error Conditioning ...................................................................................................................23
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
5 Electrical Characteristics .................................................................................................26
5.1
5.2
5.3
Absolute maximum ratings.....................................................................................................26
Power Supply ...........................................................................................................................26
Digital I/O Specification...........................................................................................................26
DC Characteristics ..............................................................................................................................26
AC Characteristics ..............................................................................................................................26
5.3.1
5.3.2
6 Application information ....................................................................................................28
6.1
6.2
6.3
6.4
6.5
6.6
6.7
Package dimensions ...............................................................................................................28
Output to Angle Conversion ...................................................................................................29
Measuring Directions ..............................................................................................................30
Pin Description.........................................................................................................................31
Recommended circuit diagram ..............................................................................................31
Recommended PWB layout ....................................................................................................32
Assembly instructions ............................................................................................................34
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