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STM32F401CC Fiches technique(PDF) 56 Page - STMicroelectronics

No de pièce STM32F401CC
Description  Up to 81 I/O ports with interrupt capability
PDF  134 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F401CC Fiches technique(HTML) 56 Page - STMicroelectronics

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Electrical characteristics
STM32F401xB STM32F401xC
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DocID024738 Rev 5
6.1.6
Power supply scheme
Figure 18. Power supply scheme
1. To connect PDR_ON pin, refer to Section 3.14: Power supply supervisor.
2. The 4.7 µF ceramic capacitor must be connected to one of the VDD pin.
3. VCAP_2 pad is only available on LQFP100 and UFBGA100 packages.
4. VDDA=VDD and VSSA=VSS.
Caution:
Each power supply pair (VDD/VSS, VDDA/VSSA ...) must be decoupled with filtering ceramic
capacitors as shown above. These capacitors must be placed as close as possible to, or
below, the appropriate pins on the underside of the PCB to ensure good operation of the
device. It is not recommended to remove filtering capacitors to reduce PCB size or cost.
This might cause incorrect operation of the device.



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