hi im using two identical lpc2148 board. im write a rtc program and downloaded into board and seen the output i got correct out put... and download the same code in to anter board im not getting correct output it shows some symbole and charector what is the pronlem it is pronlem of processor or othe hardware... program is dowload through isp and code downloaded into two board but diffrent output
please helpme
You haven't really supplied any information that allows anyone to help you.
By the way - have you set the clock in both boards? If one RTC isn't set, or is set to an invalid value, then the program will different output when run on the first or second board.