51 serial single

单片机入门，C51例程、数码管+流水灯、源程序 -Singlechip entry, C51 routines, digital tube+ Water lamp, source

单片机驱动标准PC机键盘的C51程序-Microprocessor standard PC keyboard C51 procedures

单片机与温度传感器的应用，很多错的。请大家踊跃下载啊。-SCM and temperature sensor applications, a lot of wrong. Please download ah enthusiastically.

at89c5x系列的at89s53的芯片资料-at89c5x series chips at89s53 information

修改后的PDIUSBD12完整固件源码，实现51单片机的USB接口，完全通过测试。-revised PDIUSBD12 integrity of the firmware source code, achieving 51 SCM"s USB port and fully tested.

数模转换，控制pwm波形输出，51单片机，C语言。-Digital-analog conversion, control pwm waveform output, 51 single-chip, C language.

这是一个时钟中断的小程序-This is a small clock interrupt procedures

改程序实现了C8051F120混合信号片上系统32位乘法，提高了在C8051上实现乘法的精度，较少了计算误差-Reform process to achieve the C8051F120 mixed-signal system-on-chip 32-bit multiplication to improve the C8051 to achieve precision multiplication, the calculation error of less

当前真正万能的、智能播放软件。其设计吸取众多同类软件之长，界面美观大方、用户操作简单，软件性价比做到最优。软件扩展了硬件广播系统的视频和其它各类文件的播放功能，可进行定时事务提醒，定时开关机，自动定时播映等。可广泛用于自动定时播放教学片、音乐、铃声、两操、电影、歌曲、幻灯播放到电子屏，自动定时执行程序任务等；能够自动播放各种不同类型视音频，以及对任何可以双击打开的文件的自动定时播放。专为学校、广播电台、电视台、车站、机场、商场、饭店、录像厅、展厅、厂矿企业、居民小区等需每日定时教学、播音、放映的单位或场所智能播放，化繁为简。本系统具有高度智能，时间精确、自动化程度高、免维护等优点。会写作息时间表就可定时操作,符合传统的操作习惯!是目前操作最为简单的一款智能播放软件.-Current real omnipotent, intelligent player. Designed to absorb a number of similar software for so long, elegant interface, the user easy to operate, the software to achieve optimal cost-effective. Software extends the system s video hardware, radio, and other types of documents broadcast

uart全功能实现.实现如下函数: U_Open, U_Close, U_GetBytes, U_PutBytes, U_GetBytesAvail, U_GetTxRoomLeft, U_PutISRBytes, U_GetTxISRRoomLeft, U_Purge, U_SetOwner, U_SetFlowCtrl, U_ConfigEscape, U_SetDCBConfig, U_CtrlDCD, U_CtrlBreak, U_ClrRxBuffer, U_ClrTxBuffer, U_SetBaudRate, U_SendISRData, U_SendData, U_GetOwnerID, U_SetAutoBaud_Div, /*TY adds these to expand flexibility 2004/10/15*/ U_Register_TX_cb, U_Register_RX_cb, /*TY adds these to let virtual COM port can retrive exception log 2005/3/8*/ U_GetUARTByte, U_PutUARTByte, U_PutUARTBytes, /*for virtual com port to return DCB configuration*/ U_ReadDCBConfig, U_CtrlRI, U_CtrlDTR, U_ReadHWStatus -the realization of full-featured UART. to achieve the following functions: U_Open, U_Close, U_GetBytes, U_PutBytes, U_GetBytesAvail, U_GetTxRoomLeft, U_PutISRBytes, U_GetTxISRRoomLeft, U_Purge, U_SetOwner, U_SetFlowCtrl, U_ConfigEscape, U_SetDCBConfig, U