用74HC138控制列 74HC595控制行實現24*24的點陣漢字顯示.下面是原理圖：
0.png (169.55 KB, 下載次數: 42)
下載附件
2016-9-26 13:15 上傳
完整的原理圖：
原理圖.pdf
(188.21 KB, 下載次數: 19)
2016-9-26 13:16 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
下面是程序源代碼：
- SH_CP bit P0.0
- ST_CP bit P0.1
- DDS bit P0.2
- MR bit P0.3
- OE bit P0.4
- E1 bit P1.3
- E2 bit P1.4
- E3 bit P1.5
- KEY1 bit P2.0
- KEY2 bit P2.1
- KEY3 bit P2.2
- ORG 0000H
- AJMP MAIN
- ORG 0030H
- MAIN: MOV 55H,#06
- MOV SP,#64H
- MAIN3: MOV DPTR,#TAB
- CLR MR
- CLR ST_CP
- NOP
- SETB ST_CP
- SETB MR
- CLR OE
- MOV R4,#216
- MAIN1: CLR E1
- CLR E2
- CLR E3
- MOV R5,55H
- MAIN2: JB KEY2,S_STOP
- JNB KEY2,$
- CPL 0EH
- S_STOP: JB 0EH,MAIN1
- JB KEY1,JIAN
- JNB KEY1,$
- CPL 0FH
- JIAN: JB KEY3,Q_OUT
- JNB KEY3,$
- DEC 55H
- MOV R5,55H
- CJNE R5,#0,Q_OUT
- MOV 55H,#06H
- Q_OUT: MOV R2,#0
- MOV R1,#0
- PANT: MOV 54H,#03
- MOV 53H,#08
- GG: MOV 50H,#08
- FF: MOV A,R1
- ANL A,#07H
- MOV P1,A
- INC R1
- ACALL GC
- MOV A,53H
- ORL P1,A
- ACALL MS
- DJNZ 50H,FF
- MOV A,53H
- RL A
- MOV 53H,A
- DJNZ 54H,GG
- DJNZ R5,MAIN2
- JB 0FH,M_STOP
- INC DPTR
- INC DPTR
- INC DPTR
- DJNZ R4,MAIN1
- AJMP MAIN3
- M_STOP: AJMP MAIN1
- GC: SETB MR
- SETB OE
- MOV 51H,#03
- AAA: MOV A,R2
- MOVC A,@A+DPTR
- MOV R3,#8
- AA: RLC A
- MOV DDS,C
- CLR SH_CP
- NOP
- SETB SH_CP
- DJNZ R3,AA
- CLR ST_CP
- NOP
- SETB SH_CP
- INC R2
- DJNZ 51H,AAA
- CLR OE
- RET
- MS: MOV R6,#5
- DELAY: MOV R7,#190
- DJNZ R7,$
- DJNZ R6,DELAY
- RET
- TAB:
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;"",0
- DB 00H,00H,00H,00H,00H, 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;"",0
- DB 00H,00H,00H,80H,03H;1CH,0C0H,03H,1EH,60H,03H,1BH,20H,80H,19H,20H,0C0H,18H,20H,60H,18H,60H,38H,18H;
- DB 0E0H,3FH,18H,0C0H,1FH,1FH,80H,07H,1FH,00H,00H,00H;"2",1
- DB 00H,00H,00H,00H,0C0H,00H,00H,0F0H,00H,00H,0B8H,00H,00H,8EH,00H,00H,87H,10H,0C0H,81H,10H,0E0H,0FFH,1FH;
- DB 0F0H,0FFH,1FH,0F0H,0FFH,1FH,00H,80H,10H,00H,80H,10H;"4",1
- DB 00H,00H,00H,00H,42H,00H,00H,66H,00H,00H,66H,00H,00H,7EH,00H,00H,3CH,00H,0C0H,0FFH,03H,0C0H,0FFH,03H;
- DB 00H,3CH,00H,00H,7EH,00H,00H,66H,00H,00H,66H,00H;"*",2
- DB 00H,00H,00H,80H,03H,1CH,0C0H,03H,1EH,60H,03H,1BH,20H,80H,19H,20H,0C0H,18H,20H,60H,18H,60H,38H,18H;
- DB 0E0H,3FH,18H,0C0H,1FH,1FH,80H,07H,1FH,00H,00H,00H;"2",2
- DB 00H,00H,00H,00H,0C0H,00H,00H,0F0H,00H,00H,0B8H,00H,00H,8EH,00H,00H,87H,10H,0C0H,81H,10H,0E0H,0FFH,1FH;
- DB 0F0H,0FFH,1FH,0F0H,0FFH,1FH,00H,80H,10H,00H,80H,10H;"4",3
- DB 00H,00H,00H,00H,00H,00H,00H,00H,40H,00H,00H,60H,00H,00H,78H,00H,00H,38H,00H,0FEH,01H,00H,0FEH,01H;
- DB 00H,84H,04H,00H,84H,1CH,00H,84H,38H,0FCH,87H,30H,0FCH,87H,00H,24H,84H,04H,20H,84H,1CH,20H,84H,38H;
- DB 20H,84H,30H,20H,0FEH,01H,20H,0FEH,05H,30H,0FEH,0DH,30H,00H,38H,20H,00H,38H,00H,00H,20H,00H,00H,00H;"點"，4
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,0F8H,0FFH,7FH,0F8H,0FFH,7FH,08H,02H,01H,88H,07H,03H,0F8H,8DH,03H;
- DB 78H,0F8H,01H,38H,0F0H,03H,20H,10H,02H,20H,1EH,02H,0E0H,1FH,02H,0F8H,13H,02H,7CH,10H,02H,2CH,0FFH,7FH;
- DB 24H,0FFH,7FH,20H,11H,7EH,20H,10H,02H,20H,10H,02H,30H,18H,03H,30H,08H,01H,20H,00H,01H,00H,00H,00H;"陣"，5
- DB 00H,00H,00H,00H,02H,00H,00H,02H,00H,00H,02H,00H,04H,02H,00H,3CH,0FEH,1FH,38H,0FEH,1FH,30H,0EH,5CH;
- DB 00H,0CH,46H,00H,06H,43H,00H,0FH,61H,0FCH,1BH,20H,0FCH,79H,30H,18H,0E8H,19H,08H,88H,0FH,08H,08H,0EH;
- DB 08H,88H,0FH,0FCH,0E9H,1BH,0FCH,0F9H,30H,00H,39H,30H,00H,09H,70H,00H,01H,60H,00H,01H,20H,00H,00H,20H;"設"，6
- DB 00H,00H,00H,00H,04H,00H,00H,04H,00H,00H,04H,00H,04H,04H,00H,1CH,0FCH,3FH,38H,0FCH,3FH,38H,04H,1CH;
- DB 30H,00H,0EH,00H,04H,07H,00H,84H,01H,00H,84H,00H,00H,04H,00H,00H,04H,00H,0FCH,0FFH,7FH,0FCH,0FFH,7FH;
- DB 0FCH,0FFH,7FH,00H,04H,00H,00H,04H,00H,00H,04H,00H,00H,06H,00H,00H,02H,00H,00H,02H,00H,00H,00H,00H;"計"，7
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;"",8
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;
- DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H,00H;"",8
- END
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