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ST7032Ai COG LCD Character Display 16x2
Model No. WO1602L
►COG LCD 16x2
►Character LCD
►5 x 8 dots includes cursor
►IC: ST7032Ai
►3V/5V power supply
►1/16 duty cycle
►Interface : I2C
Description
WO1602L is 16x2 Character COG LCD Display. This COG LCD display is built-in with ST7032Ai controller IC and its interface is I2C. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃. This LCD COG display is very suitable for applications that demand more compact package displays. Please note the WO1602L is the alternative model for WO1602H corresponding IC shortage or longer lead-time.
DRAWING
SPECIFICATIONS
Interface Pin Function
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | VG | VG is the LCD driving voltage for segment circuits. VGO is the output of VG regulator. VGS is the feedback of VG regulator. VGI is the VG input of segment circuits. 1.6 ≤ VG < VDD2. |
| 2 | XV0 | XV0 is the LCD driving voltage for common circuits at positive frame. XV0OUT is the output of XV0 regulator. XV0S is the feedback of XV0 regulator. XV0I is the V0 input of common circuits. |
| 3 | V0 | V0 is the LCD driving voltage for common circuits at negative frame. V0OUT is the output of V0 regulator. V0S is the feedback of V0 regulator. V0I is the V0 input of common circuits. Be sure that: V0 ≥ VG > VM > VSS ≥ XV0 (under operation). |
| 4 | VDD | Power supply input. |
| 5 | VSS | Ground |
| 6 | SDA | Serial data input |
| 7 | SCL | Serial clock input |
| 8 | RST | Hardware reset input pin. When RSTB is “L”, internal initialization is executed and the internal registers will be initialized |
Mechanical Data
| Item | Dimension | Unit |
|---|---|---|
| Number of Characters | 16 characters x 2 Lines | － |
| Module dimension | 62.8 x 23 x 6.3 | mm |
| View area | 51.5 x 12.23 | mm |
| Active area | 47.6 x 9.74 | mm |
| Dot size | 0.48 x 0.54 | mm |
| Dot pitch | 0.53 x 0.59 | mm |
| Character size | 2.60 x 4.67 | mm |
| Character pitch | 3.00 x 5.07 | mm |
| Duty | 1/16 , 1/5 Bias | |
| Backlight Type | LED | |
| Controller IC | ST7032Ai | |
| Interface | I2C | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
| Input Voltage | VIN | -0.3 | － | VDD+0.3 | V |
| Power Supply Voltage | VDD-VSS | -0.3 | － | +4.0 | V |
| LCD Driver Voltage | VLCD | -0.3 | － | 7.0 | V |
Electrical Characteristics
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage For Logic | VDD-VSS | － | 2.9 | 3.0 | 3.1 | V |
| Supply Voltage For LCD | VOP | Ta=-20℃ Ta=25℃ Ta=70℃ |
－ 4.3 － |
－ 4.5 － |
－ 4.7 － |
V V V |
| Input High Volt. | VIH | － | 0.7 VDD | － | VDD | V |
| Input Low Volt. | VIL | － | VSS | － | 0.3VDD | V |
| Supply Current (LED backlight is not included) | IDD | － | － | 0.2 | 0.5 | mA |
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