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STM32F407IE bảng dữ liệu(PDF) 128 Page - STMicroelectronics

tên linh kiện STM32F407IE
Giải thích chi tiết về linh kiện  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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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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STM32F407IE bảng dữ liệu(HTML) 128 Page - STMicroelectronics

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Electrical characteristics
STM32F405xx, STM32F407xx
128/180
Doc ID 022152 Rev 3
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 50 or Figure 51,
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 50.
Power supply and reference decoupling (VREF+ not connected to VDDA)
1.
VREF+ and VREF– inputs are both available on UFBGA176. VREF+ is also available on LQFP100, LQFP144,
and LQFP176. When VREF+ and VREF– are not available, they are internally connected to VDDA and VSSA.
Figure 51.
Power supply and reference decoupling (VREF+ connected to VDDA)
1.
VREF+ and VREF– inputs are both available on UFBGA176. VREF+ is also available on LQFP100, LQFP144,
and LQFP176. When VREF+ and VREF– are not available, they are internally connected to VDDA and VSSA.
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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