这是一个关于ARM9 pcb and sch的压缩文档,希望能给你帮助.

利用多模式调制解调器芯片CMX868能直接通过高速串行总线与单片机串行接口进行通信这一特点设计的一套采用单片机来控制CMX868芯片的数据传输系统，握手协议部分-The use of multi-mode modem chip CMX868 directly by high-speed serial bus and the microcontroller serial interface to communicate with this feature set designed to use microcontroller to control the CMX868 chip data transmission system, part of the handshake protocol

基于MSP430的CO报警器的设计.有硬件电路,放大电路的分析,对做工业仪表人有帮助-MSP430-based CO alarm design. Have a hardware circuit, amplification circuit analysis, people have to help make industrial instrumentation

tlc2543的驱动c程序，次程序已经用过，还不错，他的接线图比较简单，就不传了。-TLC2543 driver c procedures, meeting procedures have been used, but also good, and his relatively simple wiring diagram, not passed.

高精度实时时钟－SD2001驱动程序 [文件名] Sd.c [功能] 对sd2001时钟进行时实读写，并对其内部的ram进行操作-high-precision real-time clock-SD2001 driver [Name] Sd.c [function] sd2001 real-time clock for literacy, and its internal operations for the ram

proteus学习资料，培训仗义，介绍硬件仿真平台proteus的使用。-proteus learning materials, training, generous attempts to introduce the use of hardware emulation platform proteus.

单片机中的定时器模块，在CVAVR中已实现。-MCU timer module has been achieved in CVAVR.

松翰单片机开发包，方案适用于成本低的产品开发 -SONIX microcontroller development kits, the program applies to low-cost product development

学习KEIL C51编程可参考的源码，从简单到复杂-????KEIL C51 ?喑炭??慰嫉脑

DS18B20各种应用的C51程序大全,包含各种范例-A wide range of applications DS18B20 Guinness C51 procedures, including various examples of

使用C8051F020和FPGA设计的低频信号相位测量仪器，里面有详细程序和硬件电路图。-C8051F020 and FPGA design using low-frequency signal phase-measuring instrument, which has detailed procedures and hardware circuit diagram.