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UM1855 Connectors
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3.8 ETM trace debugging connector CN12
Figure 24. Trace debugging connector CN12 (top view)
Table 38. Trace debugging connector CN12
Terminal Function / MCU port Terminal Function / MCU port
1 VDD power 2 TMS/PA13
3 GND 4 TCK/PA14
5 GND 6 TDO/PB3
7 KEY 8 TDI/PA15
9GND10RESET#
11 GND 12 TraceCLK/PE2
13 GND 14 TraceD0/PE3 or SWO/PB3
15 GND 16 TraceD1/PE4 or nTRST/PB4
17 GND 18 TraceD2/PE5
19 GND 20 TraceD3/PE6