The article analyzes the development schemes of the host computer interface card , the adapter principle of the printer and reasons of selecting it . having studied signals of printer ports further , thus i determined the communication mode between the host computer and the slave computer , and designed communication circuit . the question of programming has been discussed 論文分析了上位機計算機接口卡的開發(fā)方案,并行打印機接口原理和選用它的原因,研究了打印機端口信號,決定了通信聯(lián)絡方式,設計出上位機通訊硬件電路,并研究了上位機編程問題。
并行: parallel; pairing; concurren ...打印機接口: printer interface串行打印機接口: serial printer interface并行打印機: parallel printer打印機接口: printer interface; printer port非并行打印機: no parallel printer并行打印機超時: noretry on parallel printer time-out網絡打印機接口: npi network printer interface在并行打印機超時上: infinite retry on parallel printer time-out并行打印: parallel printing并行打印口: lptx ports非并行打印: no parallel print串行打印機: character-at-time printer; nbsp; serial printer寬行打印機: broad-line printer; line-at-a-time printer; wide line printer; wide-line printer行打印機: line printer lpt桿式行打印機: bar line printer鏈寬行打印機: chainline printer磁鼓寬行打印機: drum line printer桿式寬行打印機: blp || bar line printer高速串行打印機: high-speed serial printer; high-speedserialprinter高速寬行打印機: high-speed line printer; high-speedlineprinter鼓式寬行打印機: drum line printer漢字寬行打印機: chinese character line printer擊打式串行打印機: impact serial printer寬行打印機命令: line printer command