PIN CONNECTIONS | Pin | Symbol | Level | Function | | 1 | VSS | 0V | Ground | | 2 | VDD | +5V | Power supply for Logic | | 3 | V0 | - | Operating voltage for LCD | | 4 | /WR | H/L | Write signal "L" | | 5 | /RD | H/L | Read signal "L" | | 6 | /CS | L | Chip enable signal | | 7 | C/D | H/L | "L" Instruction code
"H" Data | | 8 | /RES | L | Reset signal "L" | 9
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16 | DB0
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DB7 | H/L | Data bus line | | 17 | Busy | H/L | Check Busy | | 18 | VEE | - | Negative voltage output | | 19 | LEDA | +5.0 | Power supply for B/L | | 20 | LEDK | 0V |
NOTES:
1. Built-in RA8822 (With Chinese Char ROM)
2. 5/3.3V power supply optional | | MECHANICAL DATA | Item | Nominal Dimensions | Unit | | Module Size(W x H x T) | 144.0X97.0X14.0 | mm | | Viewing Area (W x H) | 114.0X64.0 | mm | | Dot Pitch (W x H) | 0.45X0.45 | mm | | Dot Size (W x H) | 0.40X0.40 | mm | ABSOLUTE MAXIMUM RATINGS | Item | Symbol | Min. | Max. | Unit | | Supply Voltage (Logic) | VDD-VSS | -0.3 | 5.5 | V | | Supply Voltage (LCD) | VDD-V0 | 0 | 22 | V | | Input Voltage | VI | 0 | VDD | V | | Operating Temp. | TOPR | -20 | +70 | ℃ | | Storage Temp. | TSTG | -30 | +80 | ℃ | ELECTRICAL CHARACTERISTICS (VDD=5.0V, Ta=25℃) | Item | Symbol | Min. | Typ | Max. | Unit | | Input High Voltage | VIH | 0.7 VDD | - | VDD | V | | Input Low Voltage | VIL | 0 | - | 0.2 VDD | V | | Output High Voltage | VOH | 0.7 VDD | - | VDD | V | | Output Low Voltage | VOL | 0 | - | 0.2 VDD | V | | Supply Current | IDD | - | - | - | mA | | LCDDriving Voltage | VDD-V0 | - | 17.4 | - | V | LED BACKLIGHT SPECIFICATIONS (Ta=25℃) | Item | Forward Voltage | Forward Current | | YELLOW-GREEN | 4.1V | 720mA | | WHITE | 3.1V | 150mA | |
