并口引腳定義說明：
1?選通?(STROBE低電平)??????10?確認(rèn)?(ACKNLG低電平)
2?數(shù)據(jù)位0?(DATAO)??????????11?忙?(BUSY)
3?數(shù)據(jù)位1?(DATA1)??????????12?卻紙?(PE)
4?數(shù)據(jù)位2?(DATA2)??????????13?選擇?(SLCT)
5?數(shù)據(jù)位3?(DATA3)??????????14?自動換行?(AUTOFEED低電平)
6?數(shù)據(jù)位4?(DATA4)??????????15?錯誤觀點(ERROR低電平)
7?數(shù)據(jù)位5?(DATA5)??????????16?初始化成(INIT低電平)
8?數(shù)據(jù)位6?(DATA6)??????????17?選擇輸入?(SLCTIN低電平)
9?數(shù)據(jù)位7?(DATA7)??????????18-25?地線路(GND)
并口引腳定義圖：