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Originally Posted by scotty1024
Sony Portable Reader CPU reference manual: http://www.freescale.com/files/32bit...C9328MXLRM.pdf
THe CPU in the Sony Portable Reader has a built in Real Time Clock complete with alarm clock and a 1 minute interrupt ability that could be used to wake it up and update the clock on the screen. |
The entire UI philosophy of the Reader involves minimising the number of screen refreshes, because it's screen redraws which use power. Would you really want unnecessary refreshes for a clock? Personally, if I want to know the time, I look at my watch!