stlink使用四线swd

ST-Link使用四线SWD接口进行连接和调试。这四根线分别是VCC、GND、SWDIO和SWCLK。VCC是目标板的电源引脚，GND是地线引脚，SWDIO是SWD数据信号线，SWCLK是SWD时钟信号线。通过这四根线的连接，可以实现ST-Link与目标板的通信和调试功能。\[1\]\[2\]\[3\]
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- *1* *2* [正版ST-link/V2 J-LINK JTAG/SWD引脚定义和注意事项](https://blog.csdn.net/xinghuanmeiying/article/details/78026561)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [ST-Link SWD接口接线](https://blog.csdn.net/hudoudoudechuntain/article/details/109495733)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^koosearch_v1,239^v3^insert_chatgpt"}} ] [.reference_item]
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