ST-Link/V2 JTAG/SWD接口

ST-Link/V2 JTAG/SWD接口

ST-Link/V2 JTAG/SWD接口是如何定义的?

下面为ST-Link/V2 JTAG/SWD接口定义:

仿真器端口连接目标板功能
  1. TVCC  MCU电源VCC连接STM32目标板的电源VCC
  2. TVCC  MCU电源VCC连接STM32目标板的电源VCC
  3. TRST  GNDGROUND
  4. UART-RX  GNDGROUND
  5. TDI  TDI连接STM32的JTAG TDI
  6. UART-TX  GNDGROUND
  7. TMS, SWIO  TMS, SWIO连接STM32的JTAG的TMS, SWD的SW IO
  8. BOOT0  GNDGROUND
  9. TCK, SWCLK  TCK, SWCLK连接STM32的JTAG的TCK, SWD的SW CLK
  10. SWIM  GNDGROUND
  11. NC  NCUnused
  12. GND  GNDGROUND
  13. TDO  TDO连接STM32的JTAG TDO
  14. SWIM-RST  GNDGROUND
  15. STM32-RESET  RESET连接STM32目标板的RESET端口
  16. KEY  NCGROUND
  17. NC  NCUnused
  18. GND  GNDGROUND
  19. VDD  NCVDD (3.3V)
  20. GND  GNDGROUND

下面是ST-Link/V2 JTAG/SWD标准的接口排列:


ST-Link/V2 JTAG/SWD指定的标准接口