SCA21X0 VTI [VTI technologies], SCA21X0 Datasheet - Page 3

• Manufacturer Part Number: SCA21X0
• Description: VTI Automotive Digital Accelerometer Platform
• Manufacturer: VTI [VTI technologies]

4 SPI Interface ......................................................................................................................20
5 Electrical Characteristics .................................................................................................26
6 Application information ....................................................................................................28
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www.vti.fi
3.2
3.3
4.1
4.2
5.1
5.2
5.3
6.1
6.2
6.3
6.4
6.5
6.6
6.7
3.1.3
3.1.4
3.1.5
3.1.6
3.1.7
3.2.1
3.2.2
3.3.1
3.3.2
4.1.1
4.1.2
4.1.3
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
5.3.1
5.3.2
3.1.2.2
3.1.3.1
3.1.3.2
3.1.4.1
3.1.4.2
3.1.4.3
3.1.5.1
3.1.5.2
Operation control registers.....................................................................................................18
Identification registers ............................................................................................................19
Output of Acceleration Data ...................................................................................................21
Error Conditioning ...................................................................................................................23
Absolute maximum ratings.....................................................................................................26
Power Supply ...........................................................................................................................26
Digital I/O Specification...........................................................................................................26
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
Z axis acceleration output ...................................................................................................................13
Output data conversion.......................................................................................................................14
Temperature output ............................................................................................................................15
Status Register (STATUS)..................................................................................................................17
Interrupt Status Register (INT_STATUS) ...........................................................................................17
Control Register (CTRL) .....................................................................................................................18
Reset Register (RESET).....................................................................................................................19
Revision ID (REVID) ...........................................................................................................................19
Component ID (ID)..............................................................................................................................19
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
DC Characteristics ..............................................................................................................................26
AC Characteristics ..............................................................................................................................26
Y_MSB.........................................................................................................................................13
Z_LSB ..........................................................................................................................................13
Z_MSB .........................................................................................................................................13
2g products ..................................................................................................................................14
6 g products .................................................................................................................................15
1 g products .................................................................................................................................15
Temperature Register Low (TEMP_LSB)....................................................................................15
Temperature Register High (TEMP_MSB) ..................................................................................16
Doc. Nr. 82 694 00 C
SCA8X0/21X0/3100 Series
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