I Was use F28377D debug examples in support suit ,when i was
debug in RAM Active mode or flash active mode ,its shows debug error report as follow
Error connecting to the target:
(Error -2131 @ 0x0)
Unable to access device register. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK).
(Emulation package 5.1.507.0)
Thanks !
Yusuf Gürler