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XE167

I trying to get familiar with XE167. I buy XE166 family Easy Kit and I use DAS server application for debug and load program.
Now I have problem.
I want to use in my aplicatiom external RAM and I need A22 line. But this line is use TCK_A.
(In my aplication I want use USB for debug and load program like in Easy kit ).

When I change DBGPRR register my example program stop runing.
(I change DBGPRR -> 0x00C0 for TCK pin P8.5.).

I read Errata sheet JTAG X.H001 JTAG Pin Routing but how use it for DAS server ?

Please help me.