We were using an 9S12DG256Bcpv and had no problems.
Now we have to buy the 9S12DG256cpv (since the B part is obsolete) and find the PORT T bit0 &1 do not output.
DDRT = 255;
for (; ; )
PTT = 0;
PTT = 255;
if you read PTIT reg it shows 3 when PTT = 0
I dont use any of the timer/capture registers.