16x4 Character LCD Display Module
Model No. WH1604B
►16x4 Character LCD Module
►5x8 dots includes cursor
►+5V power supply ( Also available for +3V)
►WG16032D3 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
WH1604B is a Character 16x4 LCD module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel. These 16x4 LCD display modules are also available in SPI and I2C interface by using RW1063 controller IC. The LEDs can be driven by pin 1, pin 2, or pin 15 pin 16 or A/K. This type of module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
There are different interface options for WH1604B series, details as below:
►WH1604B : 6800 interface (ST7066 IC)
►WH1604B1 : SPI interface (RW1063 IC)
►WH1604B2 : I2C interface (RW1063 IC)
There are different interface options for WH1604B series, details as below:
►WH1604B : 6800 interface (ST7066 IC)
►WH1604B1 : SPI interface (RW1063 IC)
►WH1604B2 : I2C interface (RW1063 IC)
DRAWING
Data source ref:WH1604B-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 | 16 Characters x 4 Lines | - |
Module dimension | 70.6 x 60.0 x 8.9 (MAX) | mm |
View area | 58.8 x 31.4 | mm |
Active area | 56.2 x 20.8 | mm |
Dot size | 0.55 x 0.55 | mm |
Dot pitch | 0.60 x 0.60 | mm |
Character size | 2.95 x 4.75 | mm |
Character pitch | 3.55 x 5.35 | 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℃ |
- 4.1 3.4 |
- 4.2 - |
5.6 4.3 - |
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 | 1.0 | 1.2 | 1.5 | mA |
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