(1)A0:L® INSTRUCTION , H ® DATA.
(2)CS2:CHIP ENABLE ACTIVE "L".
(3)CS1:CHIP ENABLE ACTIVE "L".
(4)CL:EXTERNAL CLOCK (6~10KHZ).
(5)/RD (E):/RD FOR 80 SERIES, E FOR 68 SERIES.
(6)/WR(R/W):/WR FOR 80 SERIES, R/W FOR 68 SERIES.
(7)VSS:POWER SUPPLY (0V,GND).
(8-15)DB0-DB7:DATA BUS LINE.
(16)VDD:POWER SUPPLY FOR LOGIC CIRCUIT.
(17)RES:H® 68 SERIES , L® 80 SERES.
(18)VO:POWER SUPPLY FOR LCD.