ARM 20pin JTAG 和 SWD 定义

ARM 的引脚定义

二、标准 JTAG 20 PIN 信号定义

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1. VCC                        3. VCC

3. TRST 4. GND

5. TDI 6. GND

7. TMS 8. GND

9. TCLK 10. GND

11. RTCK 12. GND

13. TDO 14. GND

15.RESET 16. GND

17. NC 18. GND

19.NC 20. GND

三、标准 SWD 20 PIN 信号定义

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1. VCC                        3. VCC

3. NC 4. GND

5. NC 6. GND

7. SWDIO 8. GND

9. SWCLK 10. GND

11. NC 12. GND

13. SWO 14. GND

15. RESET 16. GND

17. NC 18. GND

19.NC 20. GND

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