Lu Wang
Abstract
This article introduced the hardware electrical circuit of the USB test platform,which is based on the CH372 interface chip and takes the STC89LE58AD as the core.The article also analyzed both the communication protocol between this platform and the PC machine and the programming.
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This article introduced the hardware electrical circuit of the USB test platform,which is based on the CH372 interface chip and takes the STC89LE58AD as the core.The article also analyzed both the communication protocol between this platform and the PC machine and the programming.
Key concepts: USB, Embedded system, Interface (matter), eXtensible Host Controller Interface (xHCI), Computer hardware, Host controller interface, USB hub, Computer science