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本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示,键扫描码的解码通过数组方式解码,程序的解码功能主要针对数字及大小写字母和常用...
本程序主要通过外部中断INT0及3.3端口读取PS2键盘值并通过LCD1602显示,键扫描码的解码通过数组方式解码,程序的解码功能主要针对数字及大小写字母和常用标点符号
硬件描述:PS2键盘的时钟线(clk)接89S51的INT0(P3.2),数据线data接(P3.3)
LCD的控制端口分别为: RS = P2^7,RW = P2^6,EP = P2^5,数据端口为P0,液晶显示偏压VL必须接
-This procedure mainly through external interrupt INT0 and 3.3 read PS2 keyboard port value through LCD1602 display, key scan code decoder way through an array of decoding, the procedure for decoding function of the major figures and upper and lower case letters and punctuation marks commonly used hardware description: PS2 keyboard clock line (clk) then 89S51 the INT0 (P3.2), data lines data access (P3.3) LCD control port, respectively: RS = P2 ^ 7, RW = P2 ^ 6, EP = P2 ^ 5, data ports for the P0, LCD bias VL must be received
- 2022-03-05 07:16:47下载
- 积分:1
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用MEGA128做的串口服务器,包括原理图,源代码,TCPIP开发资料,接口包括RS232,RS485,RJ45...
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- 2023-07-27 09:05:10下载
- 积分:1
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单
单片机开发源代码集锦 31例 需要的话请去下载-Single-chip development allehanda 31 cases the source code necessary to download please
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- 积分:1
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仅供参考仅供参考仅供参考
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- 积分:1
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I2C interface AD converters ADS11XX application decoder source code debugging th...
I2C接口AD转换器ADS11XX的应用,c51原代码调试通过,放心使用。-I2C interface AD converters ADS11XX application decoder source code debugging through reassured use.
- 2022-02-05 21:22:30下载
- 积分:1
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c51单片机实验程序代码
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- 2023-07-26 09:55:03下载
- 积分:1
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Relatively simple hardware circuit of the C51 music player simulation and c proc...
硬件电路相当简单的音乐播放的c51仿真及c程序-Relatively simple hardware circuit of the C51 music player simulation and c procedures
- 2023-08-22 14:20:03下载
- 积分:1
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内置T6963C的液晶图形模块的详细资料
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- 2022-05-07 18:59:27下载
- 积分:1
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MSP430与DS1820接口程序,实现数据操作等
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C51 target of Application 2. Rar
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- 2022-01-26 00:01:59下载
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