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STM32F217VG Datasheet(PDF) 60 Page - STMicroelectronics

Part # STM32F217VG
Description  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  173 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F217VG Datasheet(HTML) 60 Page - STMicroelectronics

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Electrical characteristics
STM32F21xxx
60/173
Doc ID 17050 Rev 8
5.1.6
Power supply scheme
Figure 16.
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 pin, refer to Section 2.2.16: 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.
MS19041V2
VDD
1/2/...14/15
Analog:
RCs, PLL,
...
Po wer swi tch
VBAT
GP I/O s
OUT
IN
Kernel logic
(CPU,
digital
& RAM)
Backup circuitry
(OSC32K,RTC,
Backup registers,
backup RAM)
Wakeup logic
15 × 100 nF
+ 1 × 4.7 μF
1.8-3.6 V
Voltage
regulator
VSS
1/2/...14/15
VDDA
VREF+
VREF-
VSSA
ADC
IO
Logic
VDD
100 nF
+ 1 μF
VREF
100 nF
+ 1 μF
VDD
Flash memory
VCAP_1
VCAP_2
2 × 2.2 μF
REGOFF



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