I have custom board which I program through SWD pins. When I debug with 16Mhz(default clock), my blink code works. When I increase it with PLLCLK, it gives an error such as "Break at address "0x2b003300" with no debug information available, or outside of program code." with different addresses.
PLLCLK 16Mhz works. RCC HSE Crystal/Ceramic Resonator SYS Trace Asynchronous Sw/Serial Wire (tried both)
In debugger screen, SWD is selected and enabled. I tried with various SWV Clock.