STM32F207VCT6 datasheet(70/184 Pages) STMICROELECTRONICS

Part #	STM32F207VCT6

Description	ARM®-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

PDF	184 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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70 / 184 page

Electrical characteristics

STM32F20xxx

70/184

DocID15818 Rev 15

6.1.6

Power supply scheme

Figure 19. Power supply scheme

1. Each power supply pair 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 the good functionality

of the device.

2. To connect REGOFF and IRROFF pins, refer to Section 3.16: Voltage regulator.

3. The two 2.2 µF ceramic capacitors should be replaced by two 100 nF decoupling capacitors when the voltage regulator is

OFF.

4. The 4.7 µF ceramic capacitor must be connected to one of the VDD pin.

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 device operation. It

is not recommended to remove filtering capacitors to reduce PCB size or cost. This might

cause incorrect device operation.

STM32F207VCT6 Datasheet(PDF) 70 Page - STMicroelectronics