List of figures
STM32F405xx, STM32F407xx
List of figures
Figure 1.
Figure 2.
Compatible board design between STM32F10xx/STM32F4xx for LQFP64. . . . . . . . . . . . 15
Compatible board design STM32F10xx/STM32F2xx/STM32F4xx
for LQFP100 package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compatible board design between STM32F10xx/STM32F2xx/STM32F4xx
for LQFP144 package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Compatible board design between STM32F2xx and STM32F4xx
Figure 3.
Figure 4.
for LQFP176 and BGA176 packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
STM32F40x block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Multi-AHB matrix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power supply supervisor interconnection with internal reset OFF . . . . . . . . . . . . . . . . . . . 24
PDR_ON and NRST control with internal reset OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Regulator OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10. Startup in regulator OFF mode: slow V slope
DD
- power-down reset risen after V
/V
stabilization . . . . . . . . . . . . . . . . . . . . . . . . 27
CAP_1 CAP_2
Figure 11. Startup in regulator OFF mode: fast V slope
DD
- power-down reset risen before V
/V
stabilization . . . . . . . . . . . . . . . . . . . . . . 28
CAP_1 CAP_2
Figure 12. STM32F40x LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 13. STM32F40x LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 14. STM32F40x LQFP144 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 15. STM32F40x LQFP176 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 16. STM32F40x UFBGA176 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 17. STM32F40x WLCSP90 ballout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 18. STM32F40x memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 19. Pin loading conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 20. Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 21. Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 22. Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 23. External capacitor C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
EXT
Figure 24. Typical current consumption versus temperature, Run mode, code with data
processing running from Flash (ART accelerator ON) or RAM, and peripherals OFF . . . . 85
Figure 25. Typical current consumption versus temperature, Run mode, code with data
processing running from Flash (ART accelerator ON) or RAM, and peripherals ON . . . . . 85
Figure 26. Typical current consumption versus temperature, Run mode, code with data
processing running from Flash (ART accelerator OFF) or RAM, and peripherals OFF . . . 86
Figure 27. Typical current consumption versus temperature, Run mode, code with data
processing running from Flash (ART accelerator OFF) or RAM, and peripherals ON . . . . 86
Figure 28. Typical V
Figure 29. Typical V
current consumption (LSE and RTC ON/backup RAM OFF) . . . . . . . . . . . . 89
current consumption (LSE and RTC ON/backup RAM ON) . . . . . . . . . . . . . 90
BAT
BAT
Figure 30. High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 31. Low-speed external clock source AC timing diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Figure 32. Typical application with an 8 MHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Figure 33. Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Figure 34. ACC versus temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
LSI
Figure 35. PLL output clock waveforms in center spread mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Figure 36. PLL output clock waveforms in down spread mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 37. I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 38. Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
2
Figure 39. I C bus AC waveforms and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
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