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大型设计中FPGA的多时钟设计策略,很详细的描述了在FPGA设计中时钟设计的方法-FPGA design large multi-clock design strategy, a very detailed description of the FPGA design clock design method

这是评估LPC1788 cortex-M3微控制器的电路原理图。

这个芯片作的MP3播放器可是不错的!!!设计方案,全套-the chip for MP3 players but good! ! ! Program design, a full suite! !

语音自动应答系统源代码--Automatically voice answering system.

its written for pic microcontroller adc

双串口通信源代码--Source code for 2 serial ports communication.

CAN IAP 例程使用两块宝马开发板进行实验，分为“CAN IAP 编程板”与“CAN IAP 接收板” ， 将编程板（ID=0x01）与接收板 （ID=0x02） 的 CAN1进行连接 （CAN1L 对 CAN1L， CAN1H  对 CAN1H） ，波特率为500K， 编程板通过读取板上SD卡内的app.bin文件然后传输给接收板， 每次传送1024 字节，然后等待接收板发送“CONTINUE”信号继续发送下一个1K数据， 直到发送完成，发送“UPDATAOK”通知接收板发送完成。

四路MPEG1视频采集卡，DDB文件 附原理图 PCB图纸--4-way MPEG1 video collect card. DDB file. It includes diagram and PCB paper.

13位串行DAC和ADC读数，DAC可以从串行监控也可以在串行ADC输出监视读取设置

The PCF7991AT is a fully integrated Advanced Basestation IC, ABIC, designed for car immobilizer systems providing read and write access to an identification transponder. The device is intended for use with the NXP transponder family (PCF79xx) as well as other transponder types operating at 125 kHz and employing ASK, Amplitude Shift Keying for write and AM/PM for the read operation. The receiver characteristics (amplifier gain,filter cutoff frequencies) can be optimized to system and transponder requirements. The PCF7991AT IC is designed for easy integration into immobilizer read/write and read-only systems featuring a high degree of integration and very low external component count. The device integrates a powerful antenna driver/modulator, a low-noise adaptive sampling time demodulator, programmable filters/amplifier and digitizer, required to design high-performance basestations. A three wire microcontroller interface is provided for programming the PCF7991AT as well as for th