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STM32F407IGH6TR 데이터시트(PDF) 77 Page - STMicroelectronics

부품명 STM32F407IGH6TR
상세설명  Arm® Cortex®-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash/1924KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32F407IGH6TR 데이터시트(HTML) 77 Page - STMicroelectronics

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DS8626 Rev 9
77/203
STM32F405xx, STM32F407xx
Electrical characteristics
5.1.6
Power supply scheme
Figure 21. 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 BYPASS_REG and PDR_ON pins, refer to Section 2.2.16: Voltage regulator and Table 2.2.15: Power supply
supervisor.
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.
5. VDDA=VDD and VSSA=VSS.
MS19911V2
Backup circuitry
(OSC32K,RTC,
Wakeup logic
Backup registers,
backup RAM)
Kernel logic
(CPU, digital
& RAM)
Analog:
RCs,
PLL,..
Power
switch
VBAT
GPIOs
OUT
IN
15 × 100 nF
+ 1 × 4.7 μF
VBAT =
1.65 to 3.6V
Voltage
regulator
VDDA
ADC
IO
Logic
VDD
100 nF
+ 1 μF
Flash memory
VCAP_1
VCAP_2
2 × 2.2 μF
BYPASS_REG
PDR_ON
Reset
controller
VDD
1/2/...14/15
VSS
1/2/...14/15
VDD
VREF+
VREF-
VSSA
VREF
100 nF
+ 1 μF



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