I have a ULINK Pro connected to an STM32F4. When I select the JTAG port instead of SW port it reports 2 devices.
0x4BA00477 ARM CoreSight JTAG-DP 0x06413041 Unknown JTAG device
Why would I get this. It doesn't seem to be affecting program and debug.
What are the different meris of selecting JTAG over SW?
The board I am working on does not have the trace connected, but my next board will have the JTAG Trace enabled. I have connected the 4 data and 1 clock line. Are there any gotcha's that I might have missed?
Regards Konrad
One's the core (chip debugging), the other is the boundary scan (board testing).