TI公司的一款不错的串行DA转换器，在c8051f020开发环境下的驱动程序如下。-TI' s a good serial DA converters, in the c8051f020 driver development environment is as follows.

Ti 公司低功耗RF芯片选型资料.其中有13.56-27MHz,300-1000MHz ,2.4GHz等等芯片选型参考-Ti low-power RF chip companies Selection information. Among them, 13.56-27MHz ,300-1000MHz, 2.4GHz chip, etc. Selection of reference