Single Wire Debugging (SWD) with 1 MHz System Clock does not work

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by pkarrer_solcept on Mon Feb 17 08:32:18 MST 2014
Clock Setup: Clock source is the internal IRC.

When I leave the divider by 1, then SWD still works.

When I change the divider to 12 (eq. 1 MHz) then it get "Failed on connect: Ep(01). Target marked as not debuggable"

What's wrong?