List of figures
Figure 1. Power supplies ....................................................................4
Figure 2. System supply configuration...........................................................6
Figure 3. Power supply component layout ........................................................9
Figure 4. VDD33USB connected to V
DD
power supply .............................................. 11
Figure 5. VDD33USB connected to external power supply............................................ 11
Figure 6. VDD50USB power supply ........................................................... 12
Figure 7. Power on reset/power down reset waveform............................................... 15
Figure 8. Power supply supervisor interconnection with internal reset OFF................................. 16
Figure 9. Reset circuit ..................................................................... 17
Figure 10. Clock generation and clock tree ....................................................... 19
Figure 11. HSE/LSE clock source.............................................................. 21
Figure 12. Analog inputs for ADC1 and ADC2 ..................................................... 24
Figure 13. Boot mode selection implementation example ............................................. 27
Figure 14. Host to board connection ............................................................ 28
Figure 15. JTAG connector implementation ....................................................... 30
Figure 16. Typical layout for V
DD
/V
SS
pair ........................................................ 31
Figure 17. Four layer PCB stack-up example ...................................................... 34
Figure 18. Six layer PCB stack-up example ....................................................... 34
Figure 19. Decoupling capacitor placement depending on package type ................................... 35
Figure 20. Example of decoupling capacitor placed underneath ......................................... 36
Figure 21. microSD card interconnection example .................................................. 37
Figure 22. SD card interconnection example ...................................................... 37
Figure 23. Octo-SPI interconnection example ..................................................... 39
Figure 24. Octo-SPI multiplexed interconnection example ............................................. 40
Figure 25. Stereo microphone interconnection ..................................................... 41
AN5419
List of figures
AN5419 - Rev 2
page 49/50
To Next Page
Loading...
Need help?
General
