developerA
/
Z30
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
main
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'main'
${ noResults }
Z30/Projects/PY32F403-STK/Example_LL/RCC/RCC_Sysclock_Switch
History
DeveloperAlpha 48b48663ce -u origin main 3 months ago
..
EIDE -u origin main 3 months ago
EWARM -u origin main 3 months ago
Inc -u origin main 3 months ago
MDK-ARM -u origin main 3 months ago
Src -u origin main 3 months ago
readme.txt -u origin main 3 months ago

readme.txt
Unescape Escape

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

================================================================================
                                样例使用说明
                             Sample Description
================================================================================
功能描述：
此样例演示了时钟切换，由HSI（8MHz）切换至HSE（24MHz）。

Function descriptions:
This sample demonstrates clock switching from HSI（8MHz） to HSE (24MHz).
================================================================================
测试环境：
测试用板：PY32F403_STK
MDK版本： 5.28
IAR版本： 9.20
GCC 版本：GNU Arm Embedded Toolchain 10.3-2021.10

Test environment:
Test board: PY32F403_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
================================================================================
使用步骤：
1. 编译下载程序到MCU，并运行；
2. 用示波器监测PA08引脚上的频率，MCU启动后一开始输出HSI时钟，频率是8MHz，按
   下用户键后，输出HSE时钟（24MHz）。

Example execution steps:
1. Compile and download the program to the MCU and run it.
2. Monitor the frequency on pin PA08 using an oscilloscope. After the MCU 
starts up, it initially outputs the HSI clock with a frequency of 8MHz. 
Press the user button to switch to the HSE clock (24MHz).
================================================================================
注意事项：

Notes:

================================================================================