increasing number of input/output pins in atmega 16

[siddhukb]

atmega input output pins

i am newbie doing a project in atmega16.
I want to know is it possible to increase the number of input/output pins in atmega 16?
if possible how can it be done?

Thanks,
siddharth\]

 

[lats]

pcf8574 atmega

what exactly do you want to do, there are many ways of doing it. 74595 is oe of them used to increase no. of outputs. give some details

 

[Kripton2035]

atmega169 input/output

you can use one or more pcf8574 which is an i2c 8 bits port expander