USBXpress（c8051f系列USBAPI），包含device和host端的开发API，开发USB通信很简单

自己调试成功的超声波模块测距离程序，测的距离挺准的

C8051F系列芯片protel原理图库+PCB封装库文件，器件型号列表如下： Library Component Count : 106 Name Description ---------------------------------------------------------------------------------------------------- CP2103 C8051F321 C8051F311/3/5_362/5/7/9 HDR2X12 SP3223 HDR2X2 HDR2X4 HDR2X5 JK3 JS5 JK2H JK2L C8051F351/3 560572-1 LT1963AEQ AS1117 C8051F000/5_010/5 C8051F001/6_011/6 C8051F221/3 C8051F206_220/6_230/6 C8051F410/2 C8051F060/2 C8051F330 U? C8051F300 PWIN3-2 C8051F330D U? K9F5608B/U-PCB CP2200 CP2201 C8051F411/3 C8051F040/2/4/6 C8051F120/2/4/6_130/2_020/2 C8051F041/3/5/7 C8051F121/3/5/7_131/3_021/3 C8051F064/6 C8051F065/7 C8051F061/3 C8051F310/2/4_361/4/6/8 C8051F350/2 C8051F002/7_012/7 C8051F320_342/3/6/7 C8051F340/1/4/5 LP2992IM5-3.3 EL7900ILCZ UCC27324D BAV99 BYV56 EPM7128STC100-5 MC34063 TRANS11 SI8250_32 C8051F530 TH8080 BYV55 SO8-N SOT-363 SOT-353 R SO8 C8051F520 CP2101/2 C8051F360/3 SI554 SI550 SI552 SI532 SI534 SI530 HDR2X3 SG3525AN U? AT24C02 U? AT26DF321 FM3130 EPM7/3032STC44 EPM7/3032STC64 EPM3128ATC100-5 EPM3128ATC100-5_1 EPM7128-100 HDR2X8 HJP316

从一个新手慢慢去抠新华龙单片机的各种寄存器，到熟练运用的过程。对初次接手新华龙单片机的朋友来说应该是有点帮助的

C8051F31x中文版.pdf

C8051F系列单片机原理图库+PCB封装库 C8051F系列单片机原理图库+PCB封装库

数码管显示及红外计数实验.doc

Silicon Laboratory 的官方C8051F配置向导，适用于C8051F系列各个型号，可以大大简化配置步骤，提高编程效率。

Keil环境的C8051F仿真调试驱动程序，2012-08-01官方最新版，官方对此介绍如下： Silicon Laboratories and Keil Software have teamed to provide support for the C8051F family of MCUs in the Keil µVision2 and µVision3 state-of-the-art development platforms. The µVision debug driver allows the Keil µVision2 and µVision3 IDEs to communicate with Silicon Laboratories on-chip debug logic. In-system Flash memory programming integrated into the driver allows you to rapidly update target code. The µVision2 and µVision3 IDEs can be used to start and stop program execution, set breakpoints, check variables, inspect and modify memory contents, and single-step through programs running on your actual target hardware. This release (v3.80) of the µVision Driver includes: Added support for the C8051F960/1/2/3/4/5/6/7/8/9 devices Added support for the Si1020/1/2/3/4/5/6/7 devices Added support for the Si1030/1/2/3/4/5/6/7 devices Added support for C8051F380/1/2/3/4/5/6/7 devices Added support for C8051T620/1/6/7 and C8051T320/1/2/3 devices Added support for C8051T622/3 and C8051T326/7 devices 经实测完全可用，用了几个仿真调试器，新华龙UEC6一切正常，UEC5偶尔会失去连接，山寨的EC5失去连接的概率较高，这和仿真驱动应该没有直接关系。

C8051F系列的官方例程