内容：包含原程序代码和protel99格式的原理图。 工作模式：扫频、点频、跳频。 实现功能：液晶显示频率值、工作模式。 硬件资源:STC12C5410AD、ad9850、LCD12232F。-Content: contains the original program code and schematics protel99 format. Working modes: Sweep, point-frequency, frequency hopping. Implementatio

stc单片机例程包括PWM,ADC,PCA,串口等丰富例程，希望对你有帮助-stc C51 serial sample,include PWM,ADC,RS232 sample

stc单片机生成PWM方波两种常用方法。 本人亲测可用。-STC microcontroller, two common methods PWM square wave output. pro-test available in pdf format.

STC 系列单片机PCA 产生PWM 运用，已调试成功，可直接调用-STC series microcontroller to generate PWM using PCA, have been debug successful, can be called directly