Character Display LCD 40x2, 40x2 LCD Display
Model No. WH4002A
►Character Display LCD 40x2
►5x8 dots includes cursor
►+5V power supply (Also available for +3V)
►Negative voltage optional for +3V power supply
►1/16 duty cycle
►LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)
Description
Winstar WH4002A is 40 characters by 2 rows of 40x2 LCD display module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel and 5V or 3.3V power supply optional. This display LCD 40x2 model WH4002A is available for without backlight or with LED backlight options. This LCD display 40x2 is available in various LCD panel colors including gray, yellow/green and blue LCD options. This display LCD 40x2 module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃, its built in character set supports English/Japanese, English/West European, English/Scandinavian European, or English/Cyrillic (Russian) options.
There are different interface options for WH4002A series, details as below:
►WH4002A : 6800 interface (ST7066 IC)
►WH4002A1 : SPI interface (RW1063 IC)
►WH4002A2 : I2C interface (RW1063 IC)
There are different interface options for WH4002A series, details as below:
►WH4002A : 6800 interface (ST7066 IC)
►WH4002A1 : SPI interface (RW1063 IC)
►WH4002A2 : I2C interface (RW1063 IC)
DRAWING
Data source ref:WH4002A-TFH-ET#
SPECIFICATIONS
Interface Pin Function
Pin No. | Symbol | Level | Description |
---|---|---|---|
1 | VSS | 0V | Ground |
2 | VDD | 5.0V | Supply Voltage for logic |
3 | VO | (Variable) | Operating voltage for LCD |
4 | RS | H/L | H: DATA, L: Instruction code |
5 | R/W | H/L | H: Read L: Write |
6 | E | H,H→L | Chip enable signal |
7 | DB0 | H/L | Data bus line |
8 | DB1 | H/L | Data bus line |
9 | DB2 | H/L | Data bus line |
10 | DB3 | H/L | Data bus line |
11 | DB4 | H/L | Data bus line |
12 | DB5 | H/L | Data bus line |
13 | DB6 | H/L | Data bus line |
14 | DB7 | H/L | Data bus line |
15 | A | - | Power supply for B/L + |
16 | K | - | Power supply for B/L - |
Mechanical Data
Item | Dimension | Unit |
---|---|---|
Number of Characters | 40 Characters x 2 Lines | - |
Module dimension | 182.0 x 33.5 x 13.6 (MAX) | mm |
View area | 154.4 x 16.5 | mm |
Active area | 147.5 x 11.5 | mm |
Dot size | 0.60 x 0.65 | mm |
Dot pitch | 0.65 x 0.70 | mm |
Character size | 3.2 x 5.55 | mm |
Character pitch | 3.7 x 5.95 | mm |
Duty | 1/16 | |
Backlight Type | LED | |
IC | ST7066U | |
Interface | 6800 |
Absolute Maximum Ratings
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 |
Electrical Characteristics
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℃ |
- 4.4 3.8 |
- 4.5 - |
5.3 4.6 - |
V V V |
Input High Volt. | VIH | - | 0.7VDD | - | 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 | 1.0 | 1.2 | 1.5 | mA |
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