page 56 pin connections pin no. symbol level function 1 v ss - 0v power supply 2 v dd - 5v 3 v l - - 4 rs h/l h: data input l: instruction data input 5 r/w h/l h: data read l: data write 6 e h,h?l enable signal 7 d0 h/l data bus 8 d1 h/l 9 d2 h/l 10 d3 h/l 11 d4 h/l 12 d5 h/l 13 d6 h/l 14 d7 h/l 15 - - no connection 16 - - absolute maximum ratings parameter symbol min max unit supply voltage v dd -v ss 0 7.0 v supply voltage for lcd v dd -v l 0 13.5 v input voltage v in v ss v dd v operating temperature t op 0 50 c storage temperature t stg -20 70 c features character format .......................................5x7 dots with cursor backlight....................................................................el optional options....tn/gray stn/yellow stn, 12 o?clock/6 o?clock view normal/extended temperature normal/negative displays physical data module size....................................122.0w x 44.0h x 10.0t mm viewing area size.........................................99.0w x 24.0h mm weight....................................................................................55g block diagram d0 - d7 e r/w rs v l v dd v ss lcd controller hd44780 or equivalent lcd panel com 1 - 16 seg 40 4 driver 40 dimensional drawing 2.54x15=38.1 1 0 . 0 m a x 4 . 7 1 . 6 14- ? 1.0 hole 4- ? 3.5 hole 3.5 4.84 1.6 0.06 0.92 1.1 0.5 0.06 9.66 2 . 2 5 10.98 0.68 4 4 . 0 3 7 . 0 3 5 . 5 2 4 . 0 1 9 . 9 4 6 . 2 5 4.5 3.5 3 . 5 115.0 106.0 99.0 122.0 14 8 . 0 4-r1.0 94.8 16 character x 2 lines, large character dimension tolerance: +/-0.3mm electrical characteristics (vdd=5.00.25v 25c) parameter sym condition min typ max unit input high voltage v ih - 2.2 - - v input low voltage v il - - - .6 v output high voltage v oh i oh =0.2ma 2.4 - - v output low voltage v ol i ol =1.2ma - - 0.4 v power supply current i dd v dd =5.0v - 1.0 2.2 ma power supply for lcd v dd- v l t a =25c 4.3 - 4.7 v drive method 1/16 duty hdm16216h-4 15 16 1
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