CH315H, CH315G Datasheet - ETC

CH315H USB signal isolation controller

POWER POWER POWER USB signal Positive power input port, requires an external 0.1uF power decoupling capacitance Public ground, ground connection for USB Attachment of VCC input external power while 3.3V;connects of 0.01uF decoupling capacitance outside while 5V Directly connect to USB bus D+ data .

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 followin.

CH315H Features

* supports 12Mbps full-speed and 1.5Mbps low-speed USB transfer, compatible with USB 2.0.

* supports USB control transfer, bulk transfer, interrupt transfer, synchronous/isochronous transfer. The DataSheet of CH315 (the first) 2

* automatically detect USB Full-Speed or USB Low-Speed,

CH315G-ETC.pdf