3.78-inch 320x240 COG Graphic LCD Module - RX320240H
3.78-inch 320x240 COG Graphic LCD Module - RX320240H
3.78-inch 320x240 COG Graphic LCD Module - RX320240H
3.78-inch 320x240 COG Graphic LCD Module - RX320240H
3.78-inch 320x240 COG Graphic LCD Module - RX320240H

3.78-inch 320x240 COG Graphic LCD Module (IST3088)

Model No. RX320240H

The RX320240H is a 3.78-inch 320×240 monochrome graphic LCD module that features a Chip-on-Glass (COG) construction. The module has dimensions of 94.20 × 80.60 × 6.05 mm, with an active area of 76.79 × 57.59 mm. It is equipped with the IST3088 IC and supports multiple interface modes, including 6800, 8080, and 4-line serial interfaces, facilitating flexible system integration.

The RX320240H operates over a temperature range from -20°C to +70°C. Electrical characteristics include a logic supply voltage range of 2.8V to 3.3V. With its COG structure, this module provides a compact and reliable solution for industrial control systems, instrumentation, and other embedded graphic display applications.

For detailed technical support and further integration guidance regarding the RX320240H, please contact our sales team.

Data Source ref:RX320240H-FHW

Inquiry or Demo Code Datasheet Back Previous
  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
Structure COG
Size (Diagonal) 3.78 inch
Dot Matrix / Resolution 320 × 240 dots
Module Dimension 94.20 × 80.60 × 6.05 (MAX) mm
Viewing Area 80.2 × 61.0 mm
Active Area 76.79 × 57.59 mm
Dot / Pixel Size 0.23 × 0.23 mm
Dot / Pixel Pitch 0.24 × 0.24 mm
IC IST3088
Interface 6800,8080,4-Line
Power Supply 3.0 V (Type)
Duty 1/240 duty cycle
Type Graphic LCD Display
Pin Symbol Function Description
1 ESD ESD
2 VOUT2 VOUT2 is the internal booster output, step-up voltage based on the difference voltage of VCI & GND.
3 VOUT1 VOUT1 is the internal booster   output, step-up voltage based on the difference voltage of VCI & GND.
4 VCI Power source
5 RWRDB-SDI 4-line serial interface
6 RS Internal resistor select pin
7 RESETB Reset pin
8 EWRB-SCI 4-line serial interface
9 IM0
IM2 IM1 IM0 MPU Interface Mode
GND GND GND 68-system 16-bit bus interface
GND GND VCC 68-system 8-bit bus interface
GND VCC GND 80-system 16-bit bus interface
GND VCC VCC 80-system 8-bit bus interface
VCC GND GND 4-line serial interface
10 IM1
11 IM2
12 CSB Chip select
13 VDD Power source
14 VCC Power supply
15 VPP External power VPP is the power pin of embedded OTP (One-Time-Programming)
16 GND Ground
17-24 DB8-DB15 8 bit bi-directional data bus.
25 ESD ESD
26-27 LEDA Backlight A
28-29 LEDK Backlight K
30 GND Ground

3.78-inch 320x240 COG Graphic LCD Module - RX320240H Contour Drawing

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 － +70 ℃
Storage Temperature TST -30 － +80 ℃
Supply Voltage Range VCC -0.3 － +8.0 V
V0/VOUT -0.3 － +40 V
V1/V2/V3/V4 -0.3 － V0 V
Item Symbol Condition Min Typ Max Unit
Supply Voltage For Logic VCC-VSS － 2.8 3.0 3.3 V
Supply Voltage For LCM VOP Ta=-20℃
Ta=25℃
Ta=+70℃		 －
21.5
－		 －
22.0
－		 －
22.5
－		 V
V
V
Input High Volt. VIH － 0.8VCC － VCC V
Input Low Volt. VIL － GND － 0.2 VCC V
Output High Volt. VOH － 0.8 VCC － VCC V
Output Low Volt. VOL － GND － 0.2 VCC V
Supply Current IDD VCC=3.0V － 15 25 mA

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