日历时钟模块，用于不带时钟芯片的系统

ps2鼠标驱动程序-ps2 mouse driver

完整的Bell实验室的嵌入式文件系统TFS-integrity of the Bell Laboratories of embedded file system TFS

大家用lpc214x，开发usb的朋友，在编好usb前端驱动和固件编程之后，就可用这个pc机端的程序检验自己的usb是否好使。-U.S. used lpc214x, development usb friend that in a good usb drive and front-end after the firmware programming, you can use this pc client machine to test his procedure so that the usb does.

一个专为 Luminary Micro Stellaris microcontrollers 之 ARM Cortex-M3 开发的超小的 rtos ( 1.5 K flash )-It is a small (about 1.5K flash) RTOS designed exclusively for the Luminary Micro Stellaris microcontrollers with their ARM Cortex-M3 implementation.

DTMF解码，使用格泽尔算法，对数据进行实时采集计算，得到解到的DTMF码子。

Ax88796B的硬件设计原理图，这个文件主要是在x86平台设计的原理图，很有参考价值。-Ax88796B hardware design drawings, This paper mainly in the x86 platform design diagram, of great reference value.

MAX7349控制程序，可用键盘扫描 MAX7349控制程序，可用键盘扫描-MAX7349 control procedures that can be used to scan the keyboard MAX7349 control procedures that can be used to scan the keyboard

Nucleus系统介绍文档，其中介绍了实时系统的任务处理与抢占处理等。-Introduction Nucleus system documentation, which presents the real-time systems deal with the mission to seize such treatment.

本程序通过向一个板上嵌入式处理器写数据与另一块板上处理器进行通信，并将数据通过串口送到PC端！文件夹中夫详细结构说明文档，很快可读懂并应用！

用IO口模拟串口-with simulated serial IO