LCD显示实验。要求熟悉LCD显示的驱动原理，在实验板的LCD显示屏上显示“FPGA”，并且尝试任意字符的显示方法，动态显示的设置。-LCD display experiment. Requirements are familiar with LCD display drive principle, the experiment LCD panels display FPGA , and try any of the characters display methods, dynamic di

本程序是用AT89C51单片机，595做列驱动16*64的点阵显示程序，有电路图，可以对电路进行仿真，自己还可以更改显示代码，显示自己想要的汉子！-This procedure is AT89C51 microcontroller, 595 to do the column driver 16* 64 dot matrix display program, a circuit that can simulate the circuit, she could change the display

74LS49 是一个BCD码——7段LED显示译码器，它具有四位二进制输入信号bi(3)到bi(0）和熄灭信号b1_n，以及7段LED驱动信号a,b,c,d,e,f,g-74LS49 is a BCD code- 7 segment LED display decoder, it has four binary input signal bi (3) bi (0) and extinguished signal b1_n, and 7-segment LED drive signals a, b