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AN4325 データシート(PDF) 23 Page - STMicroelectronics |
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AN4325 データシート(HTML) 23 Page - STMicroelectronics |
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23 / 27 page  DocID024966 Rev 1 23/27 AN4325 Reference design 26 6.2 Component references Table 4. Mandatory components Component Reference Value Quantity Comments Microcontroller U1 STM32F030R8T6 1 64-pin package Capacitor C1/C2 100 nF 2 Ceramic capacitors (decoupling capacitors) Capacitor C3 10 nF 1 Ceramic capacitor (decoupling capacitor) Capacitor C5 1 μF 1 Used for VDDA Capacitor C6 4.7 μF 1 Used for VDD Table 5. Optional components Component Reference Value Quantity Comments Resistor R1 390 1 Used for HSE: the value depends on the crystal characteristics. This value is given only as a typical example. Resistor R2 10 K 1 Used for BOOT0 pin Capacitor C4 100 nF 1 Ceramic capacitor for RESET button Capacitor C7/C8 10 pF 2 Used for LSE: the value depends on the crystal characteristics. Capacitor C9/C10 20 pF 2 Used for HSE: the value depends on the crystal characteristics. Quartz X1 8 MHz 1 Used for HSE Quartz X2 32 kHz 1 Used for LSE Switch SW1 1 Used to select the correct boot mode. Push-button B1 1 Used as reset button SWD connector CN1 FTSH-105-01-L-DV 1 Used for program/debug of the MCU |
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