104键PS2接口标准键盘程序（C语言）,通过测试可以！程序简单易懂。基于ICCAVR编译器-104 key PS2 keyboard interface standard procedures (C language), can pass the test! Procedures easy to understand. Based on ICCAVR compiler

单片机与PS2键盘的连接程序，单片机与液晶LCD1602的连接程序，为单片机开发者提供了通用应用程序。-Single-chip with the PS2 keyboard connection procedures, single-chip LCD LCD1602 connection with procedures for the single-chip developers to provide a common application.

ps2接口是目前最常见的鼠标接口，最初是IBM公司的专利，俗称“小口”。这是一种鼠标和键盘的专用接口，是一种6针的圆型接口。但鼠标为空脚。PS/2接口的传输速率比COM接口稍快一些，而且是ATX主板的标准接口，是目前应用最为广只使用其中的4针传输数据和供电，其余2个泛的鼠标接口之一-PS2 interface is by far the most common mouse interfaces, the original is IBM s patent, commonly known as "s

PS2键盘协议代码 verilog，可以在ISE上跑，约束条件：NET"F50M" LOC="B8" NET"ps2_clk" LOC="R12" NET"ps2_data" LOC="P11" NET"rst" LOC="H13" NET"seg[6]" LOC="L18" NET"seg[5]" LOC="F18" NET"seg[4]" LOC="D17" NET"seg[3]" LOC="D16" NET"seg[2]" LOC="G14"