Tags & Keywords
#TFT-LCD #SPI #RGBInterface #3.95inch #480x480 #Square #16.7MColors #Versatile #Embedded #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC0395I08-R-V1, a 3.95-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a square resolution of 480(RGB)×480, 16.7 million colors, and support for both SPI and parallel RGB interfaces, this module is a versatile and practical square-format solution. It is well-suited for a wide range of embedded applications such as smart home devices, industrial readouts, consumer electronics, educational platforms, and general-purpose displays where a square screen is beneficial and interface flexibility is valued.
Key Specifications
- Brand & Model: LESSON Smart Display LSC0395I08-R-V1
- Screen Size: 3.95 inches (diagonal)
- Module Size: 84 (H) × 84 (V) × 3.03 (D) mm
- Active Area: 71.86 (H) × 70.18 (V) mm
- Driver IC: ST7701SN
- Display Technology: Transmissive type a-Si TFT-LCD
- Module Type: TFT-LCD Module
- Display Resolution: 480(RGB) × 480 pixels (Square)
- Display Colors: Up to 16.7 Million Colors
- Interface: SPI (Pins: CS, SCK, SDA) & Parallel RGB (Pins: DB0-DB8, PCLK, DE, VSYNC, HSYNC)
- Absolute Maximum Ratings:
- Supply Voltage (VCC, IOVCC): -0.3V to 3.6V
- Operating Temperature (Topr): -20°C to +70°C
- Storage Temperature (Tstg): -30°C to +80°C
- Electrical Characteristics (Typical):
- VCC: 2.8V (2.5~3.6V)
- IOVCC: 1.8V (1.65~3.3V)
- Pin Description (24-pin connector): Includes backlight (LEDA/K), power (VCI), reset (RESET), SPI pins, and parallel RGB interface pins (control and 9-bit data bus).
- RGB Interface Timing: Defines standard timing parameters like T_SYNC, T_ENS, T_CYCD (33ns min clock cycle), T_PDS, etc.
- Optical Definitions: Includes formulas and methodology for measuring Contrast Ratio (CR = L_white / L_black) and Luminance.
- Environmental Compliance: RoHS Compliant
General Description
The LSC0395I08-R-V1 is a classic square module with dual-interface capability. The specification provides the standard set of information: mechanical dimensions, absolute ratings, DC characteristics, pinout, and RGB timing. The 9-bit parallel data bus (DB0-DB8) suggests it may be used in an 8-bit + 1-bit mode or a specific configuration. The inclusion of optical measurement definitions is helpful for quality assurance. This module serves as a reliable, no-frills square display option for projects that don't require touch or ultra-high resolution but value the square form factor and interface choice.
Key Features
- Standard Square Format (480x480): Useful for symmetrical UIs and compact layouts.
- Dual Interface (SPI & RGB): Offers flexibility for different microcontrollers.
- Clear Mechanical Package: 84mm square module.
- Defined RGB Timing: Ensures compatible video signal generation.
- Practical and Cost-Effective: A solid general-purpose square display.
Application Scenarios
- Smart Home Displays: Thermostats, security panel interfaces.
- Industrial Status Monitors: For equipment with square panel cutouts.
- Consumer Electronics: Kitchen appliance displays, digital photo frames.
- Educational Kits: For teaching embedded graphics on a square canvas.
- General-purpose embedded UI projects.
Conclusion
The LESSON Smart Display LSC0395I08-R-V1 is a dependable and flexible square-format module. It is an excellent choice for embedded developers seeking a straightforward, dual-interface square display for a variety of applications.
