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PDF ( 数据手册 , 数据表 ) CH315H

零件编号 CH315H
描述 USB signal isolation control chip
制造商 ETC
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CH315H 数据手册, 描述, 功能
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 keyboard
USB mice
USB Flash
Drive /Flash
disk
USB printer
USB collection
box
USB controller
PC
Or other
USB
Host
Power
USB
CH315H
Upstream
UP#=GND
Photic coupler
isolator
CH315H
Power
Magnetic
coupler
isolator
Downstream
UP#=VCC
USB
USB keyboard
USB mice
USB Flash
Drive /Flash
disk
USB printer
USB collection
box
USB controller
2. 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.












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