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STM32最小系统搭建(原理图)
2022-06-29 20:55:00 【明耀】
目录
前言
下面介绍stm32f103c8t6最小系统的搭建,这款芯片也是销量最多的,尽管一个单片机内部集成了很多东西,但是想让它跑起来需要一些辅助器件,例如供电电路、复位电路、外部时钟电路和模式配置。
一、搭建最小系统必须的引脚口
|
二、复位电路
三、外部晶振电路
虽然单片机内部集成了晶振,但是单片机内部的晶振不准确,需要外界外部晶振
一、外部低速晶振电路

二、外部高速晶振电路
外部高速晶振电路与外部低速晶振电路一样,只需修改相应引脚就行。
四、系统启动配置
| BOOT0 | BOOT1 | 启动模式 | 说明 |
| X | 0 | 主闪存存储器 | 主闪存存储器被选作启动区 |
| 0 | 1 | 系统存储器 | 系统存储器被选作启动区 |
| 1 | 1 | 内嵌SARM | 内嵌SARM被选作启动区 |
BOOT1和BOOT0电路一样。

详细查看stm32数据手册
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