PIN CONNECTIONS Pin | Symbol | Level | Function | 1 | VSS | 0V | Ground | 2 | VDD | 3.3V | Power supply for Logic | 3 | VO | - | Driving voltage for LCD | 4 | A0 | H/L | "L" Data, "H" Instruction code | 5 | /WR | L | 8080:Write signal | 6 | /RD | L | 8080:Read signal | 7 ︱ 14 | DB0 ︱ DB7 | H/L | Data bus line | 15 | /CS | L | Chip select ,Active L | 16 | /RST | L | Reset signal ,active "L" | 17 | VEE | - | Positive Voltage output | 18 | SEL1 | H/L | H: 68 interface L: 80 interface | 19 | A | 3.5V | Power supply for LED backlight | 20 | K | 0V | | | MECHANICAL DATA Item | Nominal Dimensions | Unit | Module Size(W x H x T) | 94.7X83.3X8.1 | mm | Viewing Area (W x H) | 81.4X61.0 | mm | Dot Pitch (W x H) | 0.24 X0.24 | mm | Dot Size (W x H) | 0.225X0.225 | mm | ABSOLUTE MAXIMUM RATINGS Item | Symbol | Min. | Max. | Unit | Supply Voltage (Logic) | VDD-VSS | 0 | 3.6 | V | Supply Voltage (LCD) | V0 -VSS | 0 | 28 | V | Input Voltage | VI | 0 | VDD | V | Operating Temp. | TOPR | -20 | +70 | ℃ | Storage Temp. | TSTG | -30 | +80 | ℃ | ELECTRICAL CHARACTERISTICS (VDD=3.5V,Ta=25℃) Item | Symbol | Min. | Typ. | Max. | Unit | Input High Voltage | VIH | 0.5VDD | - | VDD | V | Input Low Voltage | VIL | 0 | - | 0.2VDD | V | Output High Voltage | VOH | 2.4 | - | VDD | V | Output Low Voltage | VOL | 0 | - | 0.4 | V | Supply Current | IDD | - | 30 | - | mA | LCD Driving Voltage | V0 -VSS | - | 18.7 | - | V | LED BACKLIGHT SPECIFICATIONS (Ta=25℃) Item | Forward Voltage | Forward Current | White | 3.5V | 120mA | |