代码搜索：4

找到约 10,000 项符合「4」的源代码

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热门代码： main.c GPIO I2C SPI UART timer interrupt ADC PWM LED
www.eeworm.com/read/314281/13569880

txt 4x4键盘程序.txt

//-------------------------------------------------------------------------------------------------- // 4*4键盘扫描程序 //----------------------------------------------------------------------------------
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obj 4x4 keyboard (2).obj

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asm 4x4 keyboard (2).asm

LINE EQU 30H ROW EQU 31H VAL EQU 32H ORG 00H START: MOV DPTR,#TABLE ;段码表首地址 MOV P2,#00H ;数码管显示初始化 LSCAN: MOV P3,#0F0H ;列线置高电平,行线置高电平 L1: JNB P3.0,L2 ;逐行扫描 LCALL DELAY J
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opt 4x4 keyboard (2).opt

### uVision2 Project, (C) Keil Software ### Do not modify ! cExt (*.c) aExt (*.s*; *.src; *.a*) oExt (*.obj) lExt (*.lib) tExt (*.txt; *.h; *.inc) pExt (*.plm) CppX (*.cpp) DaveTm {
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hex 4x4 keyboard (2).hex

:1000000090009775A00075B0F030B00C12008E30E3 :10001000B00675300002004230B10C12008E30B1D3 :100020000675300102004230B20C12008E30B2066A :1000300075300202004230B3D012008E30B3CA7560 :10004000300375B00F3
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pwi 4x4 keyboard (2).pwi

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dsn 4x4 keyboard (2).dsn

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lst 4x4 keyboard (2).lst

A51 MACRO ASSEMBLER 4X4_KEYBOARD__2_ 07/27/2006 18:05:08 PAGE 1 MACRO ASSEMBLER A51 V8.00 OBJECT MODULE PLACED IN 4X4 KeyBoard (2).OBJ A
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obj 4x4 keyboard (1).obj

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asm 4x4 keyboard (1).asm

DBUF EQU 30H TEMP EQU 40H ORG 00H MOV A,#16 MAIN: ACALL DISP ACALL KEY1 AJMP MAIN KEY1: MOV P1,#0F0H ;读P1口前先写1 MOV A,P1 ;读取键状态 CJNE A,#0F0H,K11 ;判断是否有键按下
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