单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。 programmer

pcf8563实时时钟芯片与spec061单片机接口的测试程序,并使用了LCD显示,测试通过.-pcf8563 real-time clock chip microcontroller interface spec061 testing procedures, and the use of the LCD display, the test.

初学单片机,第一个程序,主要是控制8位LED数码灯以单双位交替闪烁.-Beginner MCU, the first program, mainly for controlling the 8-bit LED digital light flashing alternately to odd and even bits.

LCD1602 字符屏测试程序，驱动芯片44780-Characters LCD1602 screen test procedure, 44780 Driver IC

stc89c52rc单片机的应用与配套程序-SCM stc89c52rc application and matching process

Bitmap文件格式的解释源码，利用sunplus IDE编写，与芯片平台无关，写BITMAP显示必备资料！-Bitmap file formats source explained, using sunplus IDE preparation, chip platform-independent, write BITMAP show essential information!

这个软件是设置时间的程序。可以把时间设置在寄存器中保存。-The software is set up time-consuming procedures. Time settings can be saved in the register.

采用ST的UPSD33XX系列单片机的双串口，实现串口通信的波特率转换，一边为25针串口，一边为9针串口，两天波特率可在程序中修改！文件中包括原理图，PCB和源程序-UPSD33XX using ST"s Microcontroller series dual serial ports, Serial communication baud rate conversion, the side of the 25-pin serial port side of the 9-pin serial ports, two days baud rate can change in the proceedings! Documents including schematics, and source of PCB

一段键盘处理源码，包括按键处理、AD采样等功能。-Section of the keyboard handle source, including the key treatment, AD sampling and other functions.

摩托罗拉HCS08系列,用片内FLASH模拟EEPROM的程序在RAM中执行!很有价值!-Motorola HCS08 family, the EEPROM chip FLASH simulation procedure implemented in the RAM! Great value!

详细讲述单片机中SPI接口以及串行接口的原理和编程方法，很有价值-detail microcontroller interface and SPI serial interface and programming method and of great value