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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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PC0801ARS-F 数据表(PDF) 47 Page - Powertip Technology |
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PC0801ARS-F 数据表(HTML) 47 Page - Powertip Technology |
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47 / 65 page  ST7066U V2.0 2001/03/01 24/42 $" Initial Program Code Example For 8051 MPU(8 Bit Interface): ;--------------------------------------------------------------------------------- INITIAL_START: CALL DELAY40mS MOV A,#38H ;FUNCTION SET CALL WRINS_NOCHK ;8 bit,N=1,5*7dot CALL DELAY37uS MOV A,#38H ;FUNCTION SET CALL WRINS_NOCHK ;8 bit,N=1,5*7dot CALL DELAY37uS MOV A,#0FH ;DISPLAY ON CALL WRINS_CHK CALL DELAY37uS MOV A,#01H ;CLEAR DISPLAY CALL WRINS_CHK CALL DELAY1.52mS MOV A,#06H ;ENTRY MODE SET CALL WRINS_CHK ;CURSOR MOVES TO RIGHT CALL DELAY37uS ;--------------------------------------------------------------------------------- MAIN_START: XXXX XXXX XXXX XXXX . . . . ;--------------------------------------------------------------------------------- WRINS_CHK: CALL CHK_BUSY WRINS_NOCHK: CLR RS ;EX:Port 3.0 CLR RW ;EX:Port 3.1 SETB E ;EX:Port 3.2 MOV P1,A ;EX:Port 1=Data Bus CLR E MOV P1,#FFH ;For Check Busy Flag RET ;--------------------------------------------------------------------------------- CHK_BUSY: ;Check Busy Flag CLR RS SETB RW SETB E JB P1.7,$ CLR E RET |
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