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STM32F401CD Scheda tecnica(PDF) 57 Page - STMicroelectronics

Il numero della parte STM32F401CD
Spiegazioni elettronici  Clock, reset and supply management
PDF  135 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F401CD Scheda tecnica(HTML) 57 Page - STMicroelectronics

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STM32F401xD STM32F401xE
Electrical characteristics
114
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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