Pin 1 2 3 VSS VDD VEE Symbol Signal Description Logic Ground (0V) Power Supply (5V) LCD Drive Voltage Register Select 4 RS High = Data Low = Instruction Signal Description 5 R/W High = LCM to MPU Low = MPU to LCM Signal Description 6 E R/W = Low;Data read at falling edge of E R/W = Hig.
