I'm using 87C51RA+ which includes watchdog timer on the PCA Module 4 I have been trying to set up a conditional break using the uVision2 Debug|Breakpoints dialog box. MAT4 and TOG4 are both set in the watchdog startup code with the following: CCAPM4 = 0x4C; From what I understand, CCF4 should toggle high when the watchdog is activated, but the following breakpoint does not work during debug: CCF4 == 1 Other experimenting has given similar results, I tried: CCAP4H == CH & CCAP4L == CL with the same results, the break does not occur, yet the watchdog does kick off and reset occurs. Am I missing something? Any other tricks to getting a breakpoint to work on the watchdog? Thanks, Scott Kelley
if you configure it as a watchdog, you do not get an interrupt or anything else, you get a reset. Set the breakpoint at address 0 Erik