代码搜索：4

找到约 10,000 项符合「4」的源代码

代码结果 10,000
热门代码： main.c GPIO I2C SPI UART timer interrupt ADC PWM LED
www.eeworm.com/read/462735/7197117

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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dsn 4x4 keyboard (2).dsn

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www.eeworm.com/read/462735/7197167

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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dsn 4x4 keyboard (1).dsn

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bak 4x4_uv2.bak

### uVision2 Project, (C) Keil Software ### Do not modify ! Target (Target 1), 0x0000 // Tools: 'MCS-51' Group (Source Group 1) File 1,2, 0x0 Options 1,0,0
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dbk last loaded 4x4.dbk

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lst 4x4key+led.lst

C51 COMPILER V7.50 4X4KEY_LED 06/19/2008 02:53:33 PAGE 1 C51 COMPILER V7.50, COMPILATION OF MODULE 4X4KEY_LED OBJECT MODULE PLACED
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obj 4x4key+led.obj

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lnp 4x4key+led.lnp

"4X4KEY+LED.obj" TO "4X4KEY+LED" RAMSIZE(256)
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c 4x4key+led.c

/////////////////////////////////////////////////// //4X4键盘演示程序 //精英团队提供 //位选信号 ：由右到左为P20、P21、P22、P23、P24、P33 //LED数据线 ：P0口 //数码管数字码：0 0xC0 1 0xF9 2 0xA4 3 0xB0 4 0x99 5 0x92 6 0x82 7 0xF8 8
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