GND1RX02RX13RX24RX35RX46RX57RX68RX79F0i10FE11GND12CLK13VCC14DNC15DNC16RESET17IC18A019A120A221A322A423A524A625A726DS/RD27R/W/RW28CS29AS/ALE30IM31GND32AD033AD134AD235AD336AD437AD538AD639AD740VCC41GND42D843D944D1045D1146D1247D1348D1449D1550DTA51CCO52GND53ODE54TX055TX156TX257TX358TX459TX560TX661TX762GND63VCC64