serial-in parallel-out 中文意思是什麼
serial-in parallel-out
解釋
串入並出-
The relevant program of both the dongle and the computer have also been developmented. a parallel port and a serial port are provided for the pcb. there is a program ( in vhdl, vhsic hardware description language ) carrying out in the pld which implementi ng the parallel protocol. an encrpt arithmetic is designed and embeded in pld. to providing a interface for the user, a dll ( dynamic link library ) is developmented in c + + builder
所設計的電路板上可以選擇連接串列口或者并行口,在pld內用vhdl ( vhsichardwaredescriptionlanguage ,硬體描述語言)實現了並口的通信協議和一個自行研製的密碼演算法,並在c + + builder環境下開發了配套的上位機軟體,主要是提供了dll (動態鏈接庫)和一些函數用於pc機和加密鎖之間進行通信。
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