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STM32L151VD bảng dữ liệu(PDF) 116 Page - STMicroelectronics

tên linh kiện STM32L151VD
Giải thích chi tiết về linh kiện  Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 384KB Flash
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STM32L151VD bảng dữ liệu(HTML) 116 Page - STMicroelectronics

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Electrical characteristics
STM32L151xD STM32L152xD
116/140
Doc ID 022027 Rev 6
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 38 or Figure 39,
depending on whether VREF+ is connected to VDDA or not. The 10 nF capacitors should be
ceramic (good quality). They should be placed as close as possible to the chip.
Figure 38.
Power supply and reference decoupling (VREF+ not connected to VDDA)
1.
VREF+ and VREF– inputs are available only on 100-pin packages.
Figure 39.
Power supply and reference decoupling (VREF+ connected to VDDA)
1.
VREF+ and VREF– inputs are available only on 100-pin packages.
VREF+
(see note 1)
STM32L15xxx
VDDA
VSSA /VREF–
(see note 1)
1 μF // 100 nF
1 μF // 100 nF
ai17857b
VREF+/VDDA
STM32L15xxx
1 μF // 100 nF
VREF–/VSSA
ai17858a
(See note 1)
(See note 1)



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