View a80502-66100 datasheet:

A80502-66100 (1/5) IL22 ********** C-MOS 32-BIT CPU WITH 64-BIT DATA BUS -BOTTOM VIEW- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 AN AN AM AM AL AL AK AK AJ AJ AH AH AG AG AF AF AE AE AD AD AC AC AB AB AA AA Z Z Y Y X X W W V V U U T T S S R R Q Q P P N N M M L L K K J J H H G G F F E E D D C C B B A A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ( ) VDD = +3.3V PIN PIN PIN PIN PIN I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL NO. NO. NO. NO. NO. 1C — INC 4M I/O D62 12D I/O D37 27C I/O D24 35A I/O D15 1E I/O D54 4P O IERR 12AK I/O BE3 27AL I/O A14 35C I/O D10 1G — VDD 4R O P