Resolved! configure the number of pins assigned to the SWJ
in RM0008 Rev 21; page 1083; Table 220. Flexible SWJ-DP pin assignment"The default state after reset is “000�? (whole pins assigned for a full JTAG-DPconnection). Only one of the 3 bits can be set (it is forbidden to set more than one bit)."I don't u...