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ST STM32F7 Series User Manual

ST STM32F7 Series
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List of figures AN4661
6/54 DocID027559 Rev 5
List of figures
Figure 1. VDDUSB connected to VDD power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 2. VDDUSB connected to external power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 3. VDDSDMMC connected to external power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 4. Power supply overview (STM32F74xxx/STM32F75xxx) . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 5. STM32F769xx/STM32F779xx power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6. STM32F767xx/STM32F777xx power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7. STM32F7x2xx power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 8. STM32F7x3xx power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 9. Power on reset/power down reset waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 10. PVD threshold. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11. Reset circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 12. Power supply supervisor interconnection with internal reset OFF . . . . . . . . . . . . . . . . . . . 19
Figure 13. NRST circuitry timing example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 14. BYPASS_REG supervisor reset connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 15. STM32CubeMX example screen-shot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 16. HSE external clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 17. HSE crystal/ceramic resonators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 18. LSE external clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 19. LSE crystal/ceramic resonators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 20. Boot mode selection implementation example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 21. Host to board connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 22. JTAG connector implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 23. Typical layout for VDD/VSS pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 24. STM32F756NGH6 reference schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 25. Four layer PCB stack-up example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 26. Six layer PCB stack-up example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 27. Example of bypass cap placed underneath the STM32F7 Series . . . . . . . . . . . . . . . . . . . 44
Figure 28. BGA 0.8mm pitch example of fan-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 29. Via fan-out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 30. FMC signal fan-out routing example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 31. 143-bumps WLCSP, 0.40 mm pitch routing example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

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ST STM32F7 Series Specifications

General IconGeneral
BrandST
ModelSTM32F7 Series
CategoryMicrocontrollers
LanguageEnglish

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