1621516點(diǎn)陣led電子顯示屏的設(shè)計(jì)-閱讀頁(yè)
2025-07-19 21:25本頁(yè)面
【正文】 NC R1 ；取行右邊字節(jié)偏址MOV A,R1MOVC A,A+DPTR ；查表MOV SBUF,A ；串口0方式發(fā)送WAIT： JBC TI,GO ；等待發(fā)送完畢AJMP WAIT1GO: DEC R1 ；取行左邊字節(jié)偏址MOV A,R1MOVC A,A+DPTRMOV SBUF,AWAIT1: JBC T1,GO1AJMP WAIT1GO1: SETB ；關(guān)行顯示，準(zhǔn)備刷新NOP ；串口寄存器數(shù)據(jù)穩(wěn)定SETB ；產(chǎn)生上升沿，行數(shù)據(jù)打入輸出端NOPNOPCLR ；恢復(fù)低電平MOV A,R2 ；修改顯示行地址ORL A,0F0H ；修改顯示行地址MOV R2,A ；修改顯示行地址MOV A,P1 ；修改顯示行地址ORL A,0FH ；修改顯示行地址ANL A,R2 ；修改顯示行地址MOV P1,A ；修改完成CLR ；開行顯示INC R2 ；下一行掃描地址值INC R1INC R1 ；下一行數(shù)據(jù)地址MOV A,R2ANL A,0FHJNZ GO2SETB 00H ；R2為01H，現(xiàn)為末行掃描，置標(biāo)志GO2： POP ACC RETIGOEND: CLR TR0 ；一幀掃描完畢，關(guān)掃描SETB 01H ；一幀掃描完畢，置結(jié)束標(biāo)志POP ACCRETI ；退出；；；***************；； 掃描文字表 ；；***************；；TAB:DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,00FFH,0FFH,0FFH ；黑屏 DB0F9H,0BFH,0C7H,0AFH,0F7H,0B7H,0F7H,0B7H,0F7H,0BFH,000H,001H,0F7H,0BFH,0F7H,0B7H ；我 DB0F1H,0D7H,0C7H,0CFH,037H,0DFH,0F7H,0AFH,0F6H,06DH,0F7H,0F5H,0D7H,0F9H,0EFH,0FDH ； DB0FFH,007H,0C0H,06FH,0EDH,0EFH,0F6H,0DFH,0C0H,001H,0DDH,0FDH,0BDH,0FFH,0C0H,003H ；愛(ài) DB0FBH,0FFH,0F8H,00FH,0F3H,0DFH,0F4H,0BFH,0EFH,03FH,09CH,0CFH,073H,0F1H,0CFH,0FBH ； DB0F7H,0DFH,0F9H,0CFH,0FBH,0BFH,0C0H,007H,0DEH,0F7H,0C0H,007H,0DEH,0F7H,0DEH,0F7H ；單 DB0C0H,007H,0DEH,0F7H,0FEH,0FFH,000H,001H,0FEH,0FFH,0FEH,0FFH,0FEH,0FFH,0FEH,0FFHDB0FFH,0BFH,0EFH,0BFH,0EFH,0BFH,0EFH,0BBH,0E0H,001H,0EFH,0FFH,0EFH,0FFH,0EFH,0FFH ；片DB0E0H,00FH,0EFH,0EFH,0EFH,0EFH,0EFH,0EFH,0DFH,0EFH,0DFH,0EFH,0BFH,0EFH,07FH,0FFHDB0EFH,0FFH,0EFH,007H,0EFH,077H,001H,077H,0EFH,077H,0EFH,077H,0C7H,077H,0CBH,077H ；機(jī)DB0ABH,077H,0AFH,077H,06EH,0F7H,0EEH,0F5H,0EDH,0F5H,0EDH,0F5H,0EBH,0F9H,0EFH,0FFH ； DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH ；黑屏DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH ；
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