12-RS232

PLC与51单片机通讯示例程序(单片机程序)(PLC and 51 single-chip communication sample programs (MCU program))

pca 用于定时器功能 pca可用于捕捉，定时，pwm输出等功能(pca pca can be used to capture, timing, pwm output for timer function)

PCB设计工具，PROTEL 转 POWERPCB工具，方便的PCB转换工具，很实用！(PCB design tools, PROTEL to POWERPCB tools, PCB convenient conversion tool, very useful!)

能够快速读取电子海图，还有简单的显示功能(ENC )

模数转换器AD0809例程，通过该例程可掌握AD0809的基本使用方法(AD0809 ADC routines, the routines can be mastered through the basics of using the AD0809)

SSD6 EXAM PRACTICAL TASK

说明：  NUAA微机实验课设：1.密码确认。2.数据采集控制系统。3.数码管显示(NUAA Computer Lab located: a password confirmation. 2 Data acquisition and control system. 3 digital display)

该程序是CRC校验程序，可以查看文件的校验和，这对文件本身进行校验，也可用在其它程序中检难数据正确与否(CRC procedures can view the document and check that the document itself calibration, but also can be used in other programs Frederick hard data are correct or not)

电路模块表面组装技术(上)，介绍SMT的组装和检测技术以及相关重要知识。(Circuit module surface mount technology (on), introduced SMT assembly and testing technology and related critical knowledge.)

AD9851驱动程序，采用串行写入方式，STM32写入频率控制字。(AD9851 driver, using serial write mode, STM32 write frequency control word.)