atmega 16 PD1 pin not working | Microcontroller › AVR › atmega 16 PD1 pin not working This topic has 0 replies, 1 voice, and was last updated 12 years, 5 months ago by sharath. Viewing 1 post (of 1 total) Author Posts March 21, 2012 at 7:53 pm #1555 sharathParticipant can anyone tell me why? i set DDRD=0xFF; and PORTD=0xFF; but still have no output only in PD1 rest of the bits are working fine… wat may be the problem? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In