The DataSheet of CH315 (the first) 1 USB extension control chip CH315G USB signal isolation control chip CH315H DataSheet Version:1A http://wch.
cn http://wch-ic.
com 1.
Introduction CH315G is USB extension control chip, used for USB signal real time transmit and extend transfer distance.
CH315H is USB signals isolation control chip, used for USB bus optical isolator or magnetic isolator.
CH315 supports full-speed and low-speed transfer, support USB device dynamic insert and remove.
The following is application image.
Power PC Or other USB Host USB CH315G Power CH315G Power Upstream UP#=GND Long distance Signal transfer Full-speed 75m Low-speed 300m Downstream UP#=VCC USB USB key...

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