基于三星44b0的iic的程序，包括基本操作

61键盘测试程序 需先做好8个ioa口键盘-61 Keyboard test procedures required to do eight ioa I keyboard

本文UCOS是根据我学习ARM开发以来的一些经验总结，以自己设计的S3C44B0X板为例，给出入门上手的最基础知识。有些东西只是个人的主观认为，不一定准确，算作抛砖引玉吧，欢迎大家指正！-this paper is based on my study of the ARM since some experience to design its own board of S3C44B0X example, the entry is easily the most basic knowledge. Some things are just personal subjective view, is not necessarily accurate, it counted as something, we welcome correct!

arm-s3c4510.rar

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应用背景软件定时器,UCOSII消息队列,使用比较实用的软件编程思路，在实践中很受益，，，关键技术UCOSII消息队列 ，如果管理消息列队，如何做调度器，软件定时器等，能同时处理大量问题，，，，

C51单片机驱动a3972步进电机细分，同时可以控制步电机加速，减速-C51 single-chip stepper motor driver a3972 broken down step-by-step motor can be controlled simultaneously to speed up, slow down

描述：将UTM坐标向量转换为纬度/经度向量的函数（WGS84）。

凌云逻辑CS4360音频DAC的参数设置代码，缺省为I2S六声道。- Reaches the clouds logical CS4360 the audio frequency DAC parameter establishment code, lacks the province is the I2S six sound tracks.

boot binaries for arm9

STM32是以Cortex-M3为核的处理器，该例程介绍STM32下如何对系统时钟进行操作。系统时钟提供了精确的定时，如实时操作系统就是依靠这个来定时的。-Cortex-M3 based STM32-core processor for the routine introduction STM32 how to operate on the system clock. System clock provides a precise timing, such as real-time operating system is to rely on this timing.