Can you help me, I dont found OSC pins of CH32V203F8P6.
Can CH32V203F8P6 use USB with internal OSC?
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CH641: PD及無(wú)線充電專用MCU
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CH32V203F8P6 - OSC pins
Hello, the CH32V203F8P6 has no OSC pin, and the HSI can be used to provide the primary frequency for USB.
After configuring the primary frequency, you need to modify the USB primary frequency here and ensure that the USB primary frequency is 48M（The figure shows that the main frequency 144M is a USB main frequency configuration）.
Thank you
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