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STM32F205RB bảng dữ liệu(PDF) 113 Page - STMicroelectronics

tên linh kiện STM32F205RB
Giải thích chi tiết về linh kiện  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32F205RB bảng dữ liệu(HTML) 113 Page - STMicroelectronics

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STM32F205xx, STM32F207xx
Electrical characteristics
Doc ID 15818 Rev 7
113/163
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 51 or Figure 52,
depending on whether VREF+ is connected to VDDA or not. The 10 nF capacitors should be
ceramic (good quality). They should be placed them as close as possible to the chip.
Figure 51.
Power supply and reference decoupling (VREF+ not connected to VDDA)
1.
VREF+ and VREF– inputs are available only on 100-pin packages.
Figure 52.
Power supply and reference decoupling (VREF+ connected to VDDA)
1.
VREF+ and VREF– inputs are available only on 100-pin packages.
V REF+
STM32F
V DDA
V SSA/V REF-
1 µF // 10 nF
1 µF // 10 nF
ai17535
(See note 1)
(See note 1)
VREF+/VDDA
STM32F
1 µF // 10 nF
VREF–/VSSA
ai17536
(See note 1)
(See note 1)



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