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STM32H523CCU6 bảng dữ liệu(PDF) 174 Page - STMicroelectronics

tên linh kiện STM32H523CCU6
Giải thích chi tiết về linh kiện  Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS Arm Cortex -M33 32-bit MCUTrustZone FPU, 375 DMIPS
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32H523CCU6 bảng dữ liệu(HTML) 174 Page - STMicroelectronics

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Electrical characteristics
STM32H523xx
174/228
DS14540 Rev 1
General PCB design guidelines
It is recommended to perform power supply decoupling as shown in Figure 44 or Figure 45,
depending on whether VREF+ is connected to VDDA or not. The 100 nF capacitors must be
ceramic (good quality), and placed as close as possible to the chip.
Figure 44. Power supply and reference decoupling (VREF+ not connected to VDDA)
1. VREF+ input is not available on all packages (refer to Table 15), VREF- is available only on LQFP100 and
UFBGA144 packages. When VREF+ is not available, it is internally connected to VSSA.
Figure 45. Power supply and reference decoupling (VREF+ connected to VDDA)
1. VREF+ input is not available on all packages (refer to Table 15), VREF- is available only on LQFP100 and
UFBGA144 packages. When VREF- is not available, it is internally connected to VSSA. If VREF- is not
available, it is connected internally to VDDA.
MSv50648V2
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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