Tags & Keywords
#TFT-LCD #MIPI #3.97inch #480x800 #16.7MColors #SmartDevice #PortableTerminal #TouchScreen #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSC397I04-MP-V2, a 3.97-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a resolution of 480(RGB)×800, 16.7 million colors, a MIPI-DSI interface, and an integrated capacitive touch panel (CTP), this module is a complete touch-display solution for modern devices. It is tailored for smart home controllers, advanced portable payment terminals, handheld industrial computers, medical handhelds, and consumer electronics that require a responsive touch interface coupled with an efficient display connection.
Key Specifications
- Brand & Model: LESSON Smart Display LSC397I04-MP-V2
- Screen Size: 3.97 inches (diagonal)
- Active Area: 51.84 (H) × 86.4 (V) mm
- Driver IC: ST7701SN (Display), Separate CTP IC
- Display Technology: Transmissive type a-Si TFT-LCD
- Module Type: COG + FPC + B/L + CTP
- Display Resolution: 480(RGB) × 800 pixels
- Display Colors: Up to 16.7 Million Colors
- Interface: MIPI DSI (2 data lanes: D0N/P, D1N/P) & I2C for Touch (CTP_SCL, CTP_SDA)
- Module Outline Dimensions: 59.4 (H) × 108.319 (V) × 3.675 (D) mm
- Absolute Maximum Ratings:
- Supply Voltage (VCC, IOVCC): -0.3V to +3.6V
- Operating Temperature (T_OPR): -20°C to +70°C
- Storage Temperature (T_STR): -30°C to +80°C
- Pin Description (30-pin connector): Includes MIPI pairs, separate power domains for display (VDD, IOVCC), touch (CTP_VCC), and backlight (LEDA/K), plus touch control pins (INT, RST).
- Environmental Compliance: RoHS Compliant
General Description
The LSC397I04-MP-V2 is a highly integrated touch display module that simplifies system design. It combines a MIPI display interface with a fully separated capacitive touch panel interface (I2C, interrupt, reset, and dedicated 2.8V supply). This separation allows for independent control and power management of the display and touch functions. The specification provides a clear 30-pin connector pinout, absolute maximum ratings for reliability, and identifies the three primary power domains (Display Logic, Display Analog/IO, Touch Panel). This modularity makes it easy to integrate into designs using modern application processors that have dedicated MIPI and I2C peripherals.
Key Features
- Complete Touch + Display Solution: Integrated CTP with separate interface pins.
- Efficient MIPI Display Interface: 2-lane DSI for low EMI and power.
- Clear Power Domain Separation: VDD (3.3V), IOVCC (1.8V), CTP_VCC (2.8V) simplifies power sequencing design.
- Compact 3.97" Form Factor: Good balance between size and usability for handhelds.
- Detailed Pinout: 30-pin definition facilitates PCB connector design.
Application Scenarios
- Smart Home Controllers: Wall-mounted or portable control panels.
- Portable Payment Terminals (mPOS): For retail and restaurants.
- Handheld Industrial Computers: Data collection and inspection devices.
- Medical Handhelds: Patient chart viewers, medication dispensers.
- Consumer Electronics: Advanced remote controls, portable gaming.
Conclusion
The LESSON Smart Display LSC397I04-MP-V2 is a practical and well-partitioned module for building modern touch-interactive devices. Its clear separation of display and touch functions makes it a straightforward and reliable choice for engineers developing contemporary smart devices and portable terminals.
