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pcb-4-pin passive crystal is soldered to a 2-pin crystal PCB package - Electrical Engineering Stack Exchange
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schematics - 4 Pin Cyrstal Oscillator Pinout to connect to Xi and Xo of CH340G - Electrical Engineering Stack Exchange
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schematics - 4 Pin Cyrstal Oscillator Pinout to connect to Xi and Xo of CH340G - Electrical Engineering Stack Exchange
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schematics - 4 Pin Cyrstal Oscillator Pinout to connect to Xi and Xo of CH340G - Electrical Engineering Stack Exchange
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