Mostly the same as the last revision, but the RAM is changed, and I added 2 more lines to the IO header. I also flipped the location of the LEDs and the resistors.
From:
Ray Bryan - raycomp@visi.com
(Fri Jul 8 00:07:35 2005)
Jim,
I cannot see any thing wrong there. I have a question though- what does the 4 leg IC do (2 pins to gnd & 2 to supply rail)?
From:
Jim Brain
(Fri Jul 8 00:48:30 2005)
That's just the power and gnd lines for the RAM IC. Some package place them separately so you can put all the power and GND lines on a special spot on the schematic.