... hang: DB 00h ,77 h,6Bh,5Dh,3Eh,7Fh ;Mã chữ K DB 7Eh,7Eh,00h,7Eh,7Eh,7Fh ;Mã chữ T DB 41h,3Eh,3Eh,3Eh,5Dh,7Fh ;Mã chữ C DB 00h,7Dh,7Bh ,77 h,00h,7Fh ;Mã chữ N DB 7Fh,7Fh,7Fh,7Fh,7Fh ; Các cột trống ... a 7 b6c4d2e1f 9 g10p5C13C28LED3RST 9 XTAL218XTAL1 19 PSEN 29 ALE/PROG30EA/VPP31P1.01P1.12P1.23P1.34P1.45P1.56P1.6 7 P1 .7 8P2.0/A821P2.1/A922P2.2/A1023P2.3/A1124P2.4/A1225P2.5/A1326P2.6/A14 27 P2 .7/ A1528P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P3.6/WR16P3 .7/ RD 17 P0.0/AD0 39 P0.1/AD138P0.2/AD2 37 P0.3/AD336P0.4/AD435P0.5/AD534P0.6/AD633P0 .7/ AD732U4AT89C51+5V123456 7 8 9 R910kD03D14D2 7 D38D413D514D6 17 D718OE1CLK11Q02Q15Q26Q3 9 Q412Q515Q616Q7 19 U5 74 LS 374 a 7 b6c4d2e1f 9 g10p5C13C28LED41 ... khiển Các ứng dụng dựa trên vi điều khiển MCS-51 Phạm Hùng Kim Khánh Trang 104 RET ; BCDtoLed7: MOV DPTR,#MaLed7 MOVC A,@A+DPTR RET MaLed7: DB 0C0h,0F9h,0A4h,0B0h ,99 h ,92 h,82h,0F8h,80h ,90 h...