该例程是本人毕设时所设计的一个16*16LED点阵显示屏,包含原理图、PCB和程序源代码，原理图和PCB分两部分设计，一部分是最小系统，一部分是显示屏控制。系统是基于8051单片机设计的，源代码由汇编写成，关键部分加了注释。-The routine is a 16* 16LED dot matrix display I completed the set design, including schematics, PCB and program source code, schematics and PCB two-part design, part of a minimal system, part of the display control. The system is based on a 8051 design, source code written by the assembler, a key part of add comments.