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