240x64 COG LCD Display
Model No. WO24064C
►COG LCD
►Graphic LCD
►240 x 64 dots
►IC: ST7586S
►3.3V power supply
►1/64 duty cycle
►Interface : 6800/8080/SPI
Description
The WINSTAR model WO24064C series is a COG LCD display module composed of a 240x64 dot display screen, with exterior dimensions of 111.4×45.5 mm and an active area (AA) size of 103.17×27.49 mm. WO24064C features a built-in ST7586S IC and supports multiple interfaces, including options for 6800, 8080, 4-wire, or 3-wire SPI transmission interfaces. The operating temperature for WO24064C ranges from -20℃ to +70℃, with a storage temperature from -30℃ to +80℃. This series is suitable for use in medical center equipment, industrial control equipment, and household appliances.
In medical environments such as the Intensive Care Unit (ICU), the application of LCD display modules (liquid crystal displays) is widespread. The COG (Chip-On-Glass) structure refers to the technology where chips are mounted on glass, often utilized in the production of lighter, thinner, and more reliable display modules.
A 240x64 dot LCD display module can provide sufficiently clear images, which is crucial in medical equipment as healthcare professionals require precise and clear information to aid them in making critical treatment decisions. These display modules are typically used to showcase various data, such as:
- Patient monitoring data: LCD displays can exhibit a patient's vital signs, including heart rate, blood pressure, respiratory rate, etc., which are vital for healthcare personnel.
- Treatment plans: They can be used to display a patient's treatment plans, including medication dosages, treatment schedules, ensuring that healthcare workers administer appropriate treatment according to the plan.
- Equipment monitoring: Apart from patient data, LCD displays can monitor the status of medical equipment, such as monitoring the operational status, temperature, pressure, and other crucial parameters of the medical equipment.
In critical medical environments like the ICU, the reliability and accuracy of these display modules are paramount, as any inaccurate data or information can have severe implications for the patient's treatment. Therefore, the COG structured LCD display module is crucial in providing clear, reliable, and accurate information.
Based on the device requirements, the LCD module is available in three selectable models: WO24064B, WO24064C, and WO24064D, distinguished by their exterior dimensions.
Module dimension :
WO24064B : 142.5×51.7 mm
WO24064C : 111.4×45.5 mm
WO24064D : 86.2×39.3 mm
DRAWING
SPECIFICATIONS
Interface Pin Function
Pin No. | Symbol | I/O | Description | ||||||||||||||||||||
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1 | VG | P | VG is the power of SEG-drivers. | ||||||||||||||||||||
2 | XV0 | P | Negative operating voltage of COM-drivers. | ||||||||||||||||||||
3 | V0 | P | Positive operating voltage of COM-drivers. V0O is the output of the positive Vop generator. V0I is the positive Vop supply of LCD drivers. V0S is the sensor of the positive Vop generator. V0O, V0I & V0S should be separated on ITO and be connected together by FPC. |
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4 | VM | P | VM is the non-select voltage level of COM-drivers. | ||||||||||||||||||||
5 | VDDA | P | Analog power for internal booster | ||||||||||||||||||||
6 | VSS | P | Ground | ||||||||||||||||||||
7 | VD1 | P | VD1I is the power source of digital circuits. | ||||||||||||||||||||
8 | VDDI | P | Power of interface I/O circuit. | ||||||||||||||||||||
9 | CSB | Input | Chip select input pin. CSB=“L”: This chip is selected and the MPU interface is active. |
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10 | IF3 | Input | These pins select interface operation mode.
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11 | IF2 | ||||||||||||||||||||||
12 | IF1 | ||||||||||||||||||||||
13 | RSTB | Input | Reset input pin. When RSTB is “L”, internal initialization procedure is executed. | ||||||||||||||||||||
14 | /RD(E) | Input | Read / Write execution control pin. (This pin is only used in parallel interface) | ||||||||||||||||||||
15 | D7 | I/O | The bi-directional data bus of the MPU interface. When CSB is “H”, they are high impedance. If using serial interface: D0 is the SDA signal in 4-Line & 3-Line interface. D1 is the A0 signal in 4-Line interface |
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16 | D6 | ||||||||||||||||||||||
17 | D5 | ||||||||||||||||||||||
18 | D4 | ||||||||||||||||||||||
19 | D3 | ||||||||||||||||||||||
20 | D2 | ||||||||||||||||||||||
21 | D1 | ||||||||||||||||||||||
22 | D0 | ||||||||||||||||||||||
23 | NC | Input | No connection | ||||||||||||||||||||
24 | /WR(R/W) | Read / Write execution control pin. (This pin is only used in parallel interface) | |||||||||||||||||||||
25 | A0(SCL) | Input |
The function of this pin is different in parallel and serial interface. |
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26 | VSS | Input | Ground |
Mechanical Data
Item | Dimension | Unit |
---|---|---|
Number of dots | 240 x 64 | - |
Module dimension | 111.0 x 58.0 x 13.6 (MAX) | mm |
View area | 106.2 x 31.2 | mm |
Active area | 103.17 x 27.49 | mm |
Dot size | 0.40 x 0.40 | mm |
Dot pitch | 0.43 x 0.43 | mm |
Duty | 1/64 | |
Backlight Type | LED | |
IC | ST7586S | |
Interface | 6800/8080/3-Line/4-Line |
Absolute Maximum Ratings
Item | Symbol | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Operating Temperature | TOP | -20 | - | +70 | ℃ |
Storage Temperature | TST | -30 | - | +80 | ℃ |
Digital Power Supply Voltage | VDDI | -0.3 | - | 3.6 | V |
Analog Power supply voltage | VDDA | -0.3 | - | 3.6 | V |
LCD Power supply voltage | V0-XV0 | 0.3 | - | 19 | V |
LCD Power supply voltage | VG | 0.3 | - | 5.5 | V |
Electrical Characteristics
Item | Symbol | Condition | Min | Typ | Max | Unit |
---|---|---|---|---|---|---|
Supply Voltage For Logic | VDD-VSS | - | 3.0 | 3.3 | 3.4 | V |
Supply Voltage For LCM | V0-V0 | Ta=-20℃ Ta=25℃ Ta=70℃ |
- |
- 10.0 - |
- 10.2 - |
V V V |
Input High Volt. | VIH | - | 0.7VDD | - | VDD | V |
Input Low Volt. | VIL | - | VSS | - | 0.3VDD | V |
Output High Volt. | VOH | - | 0.8VDD | - | VDD | V |
Output Low Volt. | VOL | - | VSS | - | 0.2VDD | V |
Supply Current(No include LED Backlight) |
IDD | VDD=3.3V | 0.1 | 1.5 | 3.0 | mA |
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