HT6523 - PS/2 Mouse Controller
The HT6523 is a PS/2 compatible mouse controller IC.
Capable of driving up to 3 key-switches and 4 photo-couplers directly into a 6-pin connector line.
Pin Assignment N C 1 2 3 4 5 6 7 8 T E S T R E S E T O S C N C C L K D A T A V S S 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 V D D Y 2 Y 1 X 2 X 1 L B M B R B