ST-Link SWD接口接线
时间 2021-05-29
标签
STM32
stm32
1、实验目的:
2、实验环境:
- stm32开发板留有20pin的调试接口,可接jlink和stlink
- 调试工具使用st-link v2
3、接线方式
- SWD接口需要连接四根线:VCC GND SWDIO SWCLK
- 20pin调试接口对应的pin脚关系:
-
Pin 1 – VCC:
- This is the traget board Vcc. It is used by the STLINK/V2
-
Pin 7 – TMS/SWDIO:
-
Pin 8 – GND:
- Be sure there is a common ground
-
Pin 9 – TCK/SWCLK
-
Pin 15 – nSRST/RESET
- System reset – probably optional(你可以不要这个复位pin,直接关电源再上电来复位)
下图为详细的20pin接口: