HT82K95E应用范例 详细的usb程序 HT82K95E datasheet -HT82K95E datasheet Features
Operating voltage: fSYS=6M/12MHz: 3.3V~5.5V
Low voltage reset function
32 bidirectional I/O lines (max.)
8-bit programmable timer/event counter with overflo

使用COM接口给手机发短信，使用前需要用线把手机接入USB或COM接口-COM interface to the phone using text messaging, the use of pre-need phone lines to access USB or COM interface

是关于UART口转USB口相关的硬件技术资料，以及相关线路-UART port on the switch to USB port-related hardware, technical information, and related lines