单片机蜂鸣器设计

端点批量传输 eerom的读写 固件自动下载 USB标准请求 GPIF单字节读写 GPIF_FIFO读写 Led显示与键盘扫描等-Bulk transfer endpoint eerom automatically download the firmware to read and write USB standard GPIF single-byte read and write requests to read and write GPIF_FIFO scan Led display and keyboard, etc.

44B0中文数据手册:嵌入式开发的参考资料-44B0 Chinese data Manual : Embedded Development reference

lpc2368+Ucos-II+Uart0例子，和大家分享！-lpc2368+ Ucos-II+ Uart0 example, to share!

基于Keil+HJTAG+LPC214x的Mass Storage Device类USB开发例程，不需要驱动，烧入直接可识别。程序有注释，可根据需要更改。-Based on Keil+ HJTAG+ LPC214x the Mass Storage Device Class USB development of routines, do not need to drive, burned into the direct identifiable. Procedures have the Notes may be in need of change.

同样是TMS320F2833X系列的一些例子-Also some examples of TMS320F2833x Series

2812学习板 cpld 源代码,2812学习板的译码部分-2812 board cpld learning source

arm资料汇编，arm指令汇编-arm assembel library, arm instruction library

chm格式 寄存器和处理器模式(26-bit 体系) 寄存器和处理器模式(32-bit 体系) 程序状态寄存器和操纵它的指令 寄存器装载和存储指令 算术和逻辑指令 移位操作 乘法指令 比较指令 分支指令 条件执行 软件中断指令 APCS (ARM 过程调用标准) -Register and processor mode (26-bit system) registers and processor mode (32-bit system), Program Status Register and manipulation of its instruction register load and store instructions arithmetic and logic instructions compare instructions MUL shift operation conditions for the implementation of branch instruction software interrupt instruction APCS (ARM Procedure Call Standard)

S3C2440底层硬件的初始化，包括设置跳转向量表，关看门狗、设置系统时钟，关闭数据、指令缓存，LCD的初始化，中断初始化等

pxa270对应的uboot程序，能够引导pxa270开发板启动-uboot corresponding pxa270 procedures, be able to guide the development board to start pxa270