CAJ | 학술논문

　　在高职单片机课程教学单元中，有一个重要的项目就是多位数码管的显示控制，本文采用了一种利用移位寄存器芯片74H C 595来实现8位数码管的显示控制，通过实验证明，仅需占用单片机三根I/O口线，大大节省了单片机的资源。文章对软硬件电路做了详细说明，实际应用表明，此方法连线简单方便，成本低廉。
　　재고직단편궤과정교학단원중，유일개중요적항목취시다위수마관적현시공제，본문채용료일충이용이위기존기심편74H C 595래실현8위수마관적현시공제，통과실험증명，부수점용단편궤삼근I/O구선，대대절성료단편궤적자원。문장대연경건전로주료상세설명，실제응용표명，차방법련선간단방편，성본저렴。
In the teaching ofM C U C ourse in highervocationaleducation,there isan im portantprojectthatis used to research a num berofdigitaltube display control.Thispaperadoptsa display controlusing the shiftregister chip 74H C 595 to realize the display and controlling of8 digitaltube,through the experim ent,only three M C U I/O are need thatgreatly saves the resource ofM C U .This paperm akes a detailed description on the hardw are circuit, and the practicalapplication show sthatthism ethod hasthe advantage ofeasy,convenient,and low cost.