Home Products COG LCD WO24064D

240x64 LCD Display SPI / 6800 / 8080 Interface

Model No. WO24064D

►Graphic LCD
►240 x 64 dots
►IC: ST7586S
►3.3V power supply
►1/64 duty cycle
►Interface : 6800/8080/SPI


WO24064D is a monochrome Chip-On-Glass (COG) graphic LCD module with a display format of 240x64 dots. It is equipped with one ST7586S IC, supporting various interfaces including SPI, 6800, and 8080. Additionally, it offers the option of 4 Line SPI or 3 Line SPI interface. The module itself has dimensions of 86.2 x 39.3 mm, with an active area size of 76.78 x 20.46 mm. It is designed to operate within a temperature range of -20℃ to +70℃ and has a logic supply voltage ranging from 3.0V to 3.4V, with a typical value of 3.3V. The module utilizes a 1/64 driving duty.

Due to its features and specifications, this COG LCD display is particularly suitable for various applications including medical machines, testing instruments, home security systems, and industrial control equipment.


240x64 COG LCD Display SPI / 6800 / 8080 Interface
Data source ref:WO24064D-TFH#


Interface Pin Function

Pin No. Symbol I/O Description
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.
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.
CSB=“H”: This chip is not selected and the MPU interface is disabled (D[7:0] are high impedance).
10 IF3 Input These pins select interface operation mode.
IF3 IF2 IF1 MPU interface type
H H L 80 series 8-bit parallel
H L L 68 series 8-bit parallel
L H H 8-bit serial (4-Line)
L H L 9-bit serial (3-Line)
Note: Refer to “Interface Selection” for detailed information.
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
16 D6
17 D5
18 D4
19 D3
20 D2
21 D1
22 D0
23 NC   No connection
24 /WR(R/W) Input 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.
In parallel interface: A0 is register selection input.
A0 = "H": inputs on data bus are display data;
A0 = "L": inputs on data bus are command.
_ In serial interface: this pad will be used as SCL (serial-clock) input
26 VSS P Ground

Mechanical Data

Item Dimension Unit
Number of Dots 240 x 64
Module dimension 86.2 x 39.3 x 5.1 mm
View area 80.8 x 24.8 mm
Active area 76.78 x 20.46 mm
Dot size 0.30 x 0.30 mm
Dot pitch 0.32 x 0.32 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 X0-XV0 Ta=-20℃



Input High Volt. VIH 0.7 VDD 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 1.5 mA

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