hi, Except GPIO0-GPIO7, other GPIO lines are multiplexed with other signal functionalities in C5509A. Refer table 3-6 in the datasheet for details.I dont think you can use GPIO8 if you are using any of the EMIF mode. regards, Dileepan. --- In , ahmetcemvardar@y... wrote: > > I have an SDRAM (MT48LC8M16A2TG) connected to 5509A and willing to use pin 16, 22 and 25 which are GPIO 8, 10, 11 respectively, as general purpose output pins. > > Trying all but could not change their state as I can easily do with GPIO7. > > I will be happy if you will help me. > > Best regards, > > Cem VARDAR |