need program for displaying time in lcd by using lpc2148

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If you mean,displaying time in 24 hour format,then you need to use an RTC(real time clock) chip and set it at a fixed time to start in hh:mm:ss format.Start it at 00:00:00 and then it must communicate with the LPC2148 by sending the time data on the RAM through a data transfer port(use either I2C or SPI for this purpose) to transfer data to the controller and also set it to refresh the reading of the clock every second.And to show the time,connect the 16X2 LCD port for the output.
 

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