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Description: 用8255并行接口控制一个16键的小键盘（用行扫描法或反转法均可），按图连接线路：
1>、用导线将PA0—PA7连接到插孔RL0—RL7，控制键盘行数据。
2>、用导线将PB0、PB1连接到插孔Y0、Y1，控制键盘列数据。拔掉K10上的所有短路套。
3>、片选CS连接218H—21FH。 -8255 parallel interface used to control a 16-key keypad (with line scanning method or inversion method can be), in accordance with plans to connect line: 1> with wire will be connected to the PA0-PA7 jack RL0-RL7, control of the keyboard row data . 2>, using wire to PB0, PB1 jack connected to the Y0, Y1, control the keyboard data. K10 pulled out all the short-circuit sets. 3>, Chip Select CS connection 218H-21FH.
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Size: 1024 |
Author: 张洪科 |
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Description: 微机接口课程设计 数字钟实验 源代码
8255 8259 led显示 键盘-Computer Interface curriculum design, digital clock experiments show the source code 8255 8259 led keypad
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Size: 2048 |
Author: 余菲 |
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Description: 用8086及8255实现的一个加减乘除的计算器，可识别小数输入，从4乘4小键盘输入，在LCD屏上显示-8086 and 8255 with the implementation of a Math calculator, you can identify the decimal input, from 4 by 4 keypad input, displayed on the LCD screen
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Size: 4096 |
Author: zsq |
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Description: 汇编语言实现接口8255芯片源代码及原理图：用于键盘显示，即在电路板上的小键盘输入字符，数码管显示该字符，按E退出-8255 chip assembly language source code that implements the interface and the schematic diagram: for keyboard display, namely the keypad to enter characters, the digital board displays the character, press E to exit
Platform: |
Size: 65536 |
Author: 董怡卓 |
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