教学工作的资源分享

第510- 5章-通用和重用功能IO应用程序分析

中职

中职

第五章通用和复用功能I/O应用1、GPIO的基本概念

2、STM32的I/O端口工作模式2.1通用I/O工作模式2.2多路I/O工作模式3、STM32 GPIO编程APP 4、应用例程(1) ) ) ) ) ) ) )

迎新网

迎新网

6、应用程序(2) 7、蜂鸣器设计

8、关键控发光二极管设计(GPIO ) 1、GPIO基本概念STM32F10xxx的I/O端口可分为两种工作方式。

中专专业

中专专业

)1)用作通用输入输出端口(即简称GPIO ); )2)用作中断、ADC、定时器等的复用功能。STM32的I/O端口需要软件配置模式、速度、时钟和启用。 2、STM32的I/O端口工作模式2.1 STM32 I/O功能的主要功能:

输入浮动输入上拉输入下拉输入模拟输入开-关输出推挽式输出推挽式多重功能开-关多重功能输入输出

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