Hyundai Interface Pin Assignmet Pin No. Symbol Level 1 FG 0V Frame Ground 2 VSS (GND) 0V Ground 3 Voo (Vcc) +5V Power Supply voltage for logic and LCD 4 Vo - Operating voltage for LCD (variable) 5 /RES H/L Reset Signal 6 /RD H/L Read Signal 7 /WR H/L Write Signal 8 /CS H/L Chip Select Signal 9 AO H/L Data Type Select Signal 10 DB0 H/L Display data bit 0 11 DB1 H/L Display data bit 1 12 DB2 H/L Display data bit 2 13 DB3 H/L Display data bit 3 14 DB4 H/L Display data bit 4 15 DB5 H/L Display data bit 5 16 DB6 H/L Display data bit 6 17 DB7 H/L Display data bit 7