Model No. WH4004A1
►Character Display LCD 40x4
►Type: Character
►Structure : COB
►Size: 5.6 inch
►40 characters x 4 Lines
►5x8 dots includes cursor
►IC: ST7066
►+5V power supply (Also available for +3V)
►Negative voltage option is only for the +3V power supply
►1/16 duty cycle
►Interface: 6800
►LED can be driven by PIN1, PIN2, PIN17, PIN18 or A and K
| Pin No. | Symbol | Level | Description |
|---|---|---|---|
| 1 | DB7 | H/L | Data bus line |
| 2 | DB6 | H/L | Data bus line |
| 3 | DB5 | H/L | Data bus line |
| 4 | DB4 | H/L | Data bus line |
| 5 | DB3 | H/L | Data bus line |
| 6 | DB2 | H/L | Data bus line |
| 7 | DB1 | H/L | Data bus line |
| 8 | DB0 | H/L | Data bus line |
| 9 | E1 | H,H→L | Chip enable signal |
| 10 | R/W | H/L | H: Read(Module→MPU) L: Write(MPU→Module) |
| 11 | RS | H/L | H: DATA, L: Instruction code |
| 12 | VO | (Variable) | Operating voltage for LCD |
| 13 | VSS | 0V | Ground |
| 14 | VDD | 5.0V | Supply Voltage for logic |
| 15 | E2 | H,H→L | Chip enable signal |
| 16 | NC | - | NC |
| 17 | A | - | Power Supply for LED+ |
| 18 | K | - | Power Supply for LED- |
| Item | Dimension | Unit |
|---|---|---|
| Number of Characters | 40 characters x 4Lines | - |
| Module dimension | 190.0 x 54.0 x 13.6 (MAX) | mm |
| View area | 147.0 x 29.5 | mm |
| Active area | 140.45 x 23.16 | mm |
| Dot size | 0.50 x 0.55 | mm |
| Dot pitch | 0.57 x 0.62 | mm |
| Character size | 2.78 x 4.89 | mm |
| Character pitch | 3.53 x 6.09 | |
| Duty | 1/16 | |
| Backlight Type | LED | |
| IC | ST7066U | |
| Interface | 68 series | |
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | - | +70 | ℃ |
| Storage Temperature | TST | -30 | - | +80 | ℃ |
| Input Voltage | VI | VSS | - | VDD | V |
| Supply Voltage For Logic | VDD-VSS | -0.3 | - | 7 | V |
| Supply Voltage For LCD | VDD-Vo | -0.3 | - | 13 | V |
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | - | 4.5 | 5.0 | 5.5 | V |
| Supply Voltage For LCD | VDD-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 4.2 3.8 |
－ 4.35 － |
5.7 4.5 － |
V V V |
| Input High Volt. | VIH | - | 0.7 VDD | - | VDD | V |
| Input Low Volt. | VIL | - | VSS | - | 0.6 | V |
| Output High Volt. | VOH | - | 3.9 | - | VDD | V |
| Output Low Volt. | VOL | - | 0 | - | 0.4 | V |
| Supply Current | IDD | VDD=5.0V | 1.8 | 3.5 | 7.0 | mA |
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