这篇文章中所展示的显示电子系统中信号波形的动图,将有助于帮助我们更好理解传输的机理。
一、SPI传输
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301140-1.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301141-2.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301142-3.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301143-4.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301144-5.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301145-6.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301146-7.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301147-8.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301149-9.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301148-10.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301150-11.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301151-12.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301152-13.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301153-14.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301154-15.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301155-16.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301156-17.gif)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301140-1.gif)
图1:SPI 数据传输
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301141-2.gif)
图1.2:SPI数据传输(2)
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301142-3.gif)
图1.3: SPI时序信号
二、I²C传输![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301143-4.gif)
图1.2.1: I2C总线以及寻址方式
三、UART传输![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301144-5.gif)
图1.3.1:PC 上通过UART来调试MCU
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301145-6.gif)
图1.3.2:RS-232通过电平转换芯片与MCU通讯
四、红外控制![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301146-7.gif)
图1.4.1:红外控制信号也是一个串行通讯信号
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301147-8.gif)
图1.4.2:红外信号接收与放大整形电路
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301149-9.gif)
图1.4.3:一个使用红外接收光电管控制继电器进行鱼食投喂电路
五、串并转换电路![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301148-10.gif)
图1.5.1:串入、并出移位寄存器
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301150-11.gif)
图1.5.2:由八个D寄存器组成的移位寄存器
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301151-12.gif)
图1.5.3:串行传输示意图
六、其他波形动画![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301152-13.gif)
图1.6.1:PWM控制LED亮度
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301153-14.gif)
图1.6.2:PWM控制LED亮度
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301154-15.gif)
图1.6.3:调幅与调频信号
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301155-16.gif)
图1.6.4:相位调制信号
![](https://cdn.eetrend.com/files/2023-05/wen_zhang_/100570648-301156-17.gif)
图1.6.5:方波边沿抖动波形
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