Data Sheet

ICM-20948
Document Number: DS-000189 Page 7 of 89
Revision: 1.3
LIST OF FIGURES
Figure 1. I
2
C Bus Timing Diagram ...................................................................................................................................... 16
Figure 2. SPI Bus Timing Diagram ..................................................................................................................................... 17
Figure 3. Pin out Diagram for ICM-20948 3 mm x 3 mm x 1 mm QFN ............................................................................. 19
Figure 4. ICM-20948 Application Schematic (a) I
2
C operation (b) SPI operation ............................................................. 20
Figure 5. ICM-20948 Block Diagram ................................................................................................................................. 21
Figure 6. ICM-20948 Solution Using I
2
C Interface ............................................................................................................ 23
Figure 7. ICM-20948 Solution Using SPI Interface ............................................................................................................ 24
Figure 8. START and STOP Conditions .............................................................................................................................. 28
Figure 9. Acknowledge on the I
2
C Bus .............................................................................................................................. 29
Figure 10. Complete I
2
C Data Transfer ............................................................................................................................. 29
Figure 11. Typical SPI Master / Slave Configuration ......................................................................................................... 31
Figure 12. Orientation of Axes of Sensitivity and Polarity of Rotation ............................................................................. 83
Figure 13. Orientation of Axes of Sensitivity for Magnetometer ..................................................................................... 83
Figure 14. Package Dimensions ........................................................................................................................................ 84
Figure 15. Part Number Part Markings ............................................................................................................................. 86