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STM32H723VG bảng dữ liệu(PDF) 163 Page - STMicroelectronics

tên linh kiện STM32H723VG
Giải thích chi tiết về linh kiện  32-bit Arm® Cortex®-M7 550 MHz MCU, up to 1 MB Flash memory, 564 KB RAM, 35 comms peripherals and analog interfaces
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STM32H723VG bảng dữ liệu(HTML) 163 Page - STMicroelectronics

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DS13313 Rev 2
163/227
STM32H723xE/G
Electrical characteristics
208
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 39 or Figure 40,
depending on whether VREF+ is connected to VDDA or not. The 100 nF capacitors should be
ceramic (good quality). They should be placed them as close as possible to the chip.
Figure 39. Power supply and reference decoupling (VREF+ not connected to VDDA)
1. When VREF+ and VREF- inputs are not available, they are internally connected to VDDA and VSSA,
respectively.
Figure 40. Power supply and reference decoupling (VREF+ connected to VDDA)
1. When VREF+ and VREF- inputs are not available, they are internally connected to VDDA and VSSA,
respectively.
MSv50648V1
1 μF // 100 nF
1 μF // 100 nF
STM32
VREF+
(1)
VSSA/VREF+
(1)
VDDA
MSv50649V1
1 μF // 100 nF
STM32
VREF+/VDDA
(1)
VREF-/VSSA
(1)



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