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STM32F446RC 数据表(PDF) 146 Page - STMicroelectronics

部件名 STM32F446RC
功能描述  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 512kB Flash/1284KB RAM, USB OTG HS/FS, 17 TIMs, 3 ADCs, 20 comm. interfaces
PDF  202 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F446RC 数据表(HTML) 146 Page - STMicroelectronics

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Electrical characteristics
STM32F446xC/E
146/202
DocID027107 Rev 6
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 47 or Figure 48,
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 47. Power supply and reference decoupling (VREF+ not connected to VDDA)
1. VREF+ and VREF– inputs are both available on UFBGA144. VREF+ is also available on LQFP100, LQFP144,
and WLCSP81. When VREF+ and VREF– are not available, they are internally connected to VDDA and VSSA.



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