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STM32F469AE bảng dữ liệu(PDF) 90 Page - STMicroelectronics

tên linh kiện STM32F469AE
Giải thích chi tiết về linh kiện  Arm® Cortex®-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32F469AE bảng dữ liệu(HTML) 90 Page - STMicroelectronics

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Electrical characteristics
STM32F469xx
90/220
DS11189 Rev 7
5.1.6
Power supply scheme
Figure 24. Power supply scheme
1. To connect BYPASS_REG and PDR_ON pins, refer to Section 2.19 and Section 2.20.
2. The two 2.2 µF ceramic capacitors on VCAP_1 and VCAP_2 should be replaced by two 100 nF decoupling
capacitors when the voltage regulator is OFF.
3. The 4.7 µF ceramic capacitor must be connected to one of the VDD pin.
4. VDDA and VSSA must be connected to VDD and VSS, respectively.
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.
MS38256V1
Backup circuitry
(OSC32K,RTC,
Wakeup logic
Backup registers,
backup RAM)
Kernel logic
(CPU, digital
& RAM)
Analog:
RCs, PLL,..
Power
switch
VBAT
GPIOs
OUT
IN
20 × 100 nF
+ 1 × 4.7 μF
VBAT = 1.65 to 3.6 V
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/...19/20
VSS
1/2/...19/20
VDD
VREF+
VREF-
VSSA
VREF
100 nF
+ 1 μF
OTG-FS
PHY
VDDUSB
100 nF
VDDUSB
DSI
PHY
DSI
Voltage
regulator
VDDDSI
VCAPDSI
VDD12DSI
VSSDSI
2.2 μF



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