I try to write to all parallel ports of Rabbit 6000 with WrPortI(PADR, NULL, 1);
However, there is a bit 1 in port B, that refuses to work.
It's always null( I check it by BitRdPortI( PBDR, 1 )).
I tried to change values in SPCR and SBPR, but it didn't help.
I would appreciate any advice.