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Help WR RD signals

salemas
Associate
Posted on February 06, 2004 at 13:33

Help WR RD signals

2 REPLIES 2
salemas
Associate
Posted on May 17, 2011 at 11:58

I have lcd connected to ad[1..10] and a[8,9] ports, and i have problem with wr and rd signals. They allways are inactive.What should I do or maybe I need configure something in PSD software?

joseph2399
Associate II
Posted on May 17, 2011 at 11:58

Which Port pins on the uPSD did you use for a[8,9]? Only Port A (8-bits only) can be configured as peripheral I/O mode. Please see page 126 of the attached uPSd data sheet.