有关AVR单片机的bootloader，外国人写的，很实用，内容详细

单片机485 CAN-bus-RS485CAN.pdf-Single-chip 485 CAN-bus-RS485CAN.pdf

4*4键盘扫描 参数以定义 直接使用 -4* 4 keyboard scan parameters used directly to the definition

使用软件仿真usb接口的一个程序,十分精炼,要求计算每一个指令的运行时间,很值得品味-use software simulation usb interface of a procedure is very refined, request instructions for each one of the running time, is worth taste

附件中是在keil for arm下编译的ARM程序――LCD万年历-In the annex is the keil for arm under the ARM compiled programs- LCD calendar

利用HD66421实现灰度字符显示，keilC51编译环境-HD66421 realize the use of gray-scale character show, keilC51 compiler environment

这是对51单片机RAM的扩展的程序 内有电路图，非常详细的注释-This is the 51 SCM RAM expansion procedures within the circuit diagram, the very detailed Notes

一个UART串行通讯程序，是用C语言写的，内含头文件和主程序-A UART serial communication procedures, is written in C language, contains header files and the main program

MSP430 单片机的下载线原理图 官方图纸-MSP430 MCU to download the official line schematic drawings

呕心沥血花了将近一个月编写的打印机程序，可用在89C51系列-born to spend nearly a month to prepare the printer procedures available in 89C51 Series

STC89C58RD+系列从isp程序切换到应用程序,觉得有点用的可以下来-STC89C58RD+ Series from the isp switch to the application procedures, can be used a bit down