HGO1601601 1/160DUTY 1/10BIAS 160 160 DOTS PIN CONNECTIONS Pin 1 2 3 4 5 6 7 8 9 | 16 17 18 19 20 Symbol VSS VDD NC /WR /RD /CS A0 /REST DB0 | DB7 NC NC A K Level 0V 3.3V L L L H/L L Function GND Logic power supply No connection Write signal Read signal Chip enable signal “H” Data “L” Instruction code Reset signal ,active “L” MECHANICAL DATA Item Module Size(W x H x T) Viewing Area (W x H ) Dot Pitch (W x H ) Dot Size (W x H ) Item Supply Voltage (Logic) Supply Voltage (LCD) Input Voltag.