Product Main Title:
LSC030I06-MP-V1: 3.0-Inch TFT LCD Module with Capacitive Touch Panel (CTP), MIPI DSI Interface
Product Subtitle / Keywords:
3.0 Inch Display, Integrated Capacitive Touch Panel (CTP), Transmissive a-Si TFT, MIPI DSI Interface, COG+FPC+B/L+CTP, Combined Display & Touch Solution
Comprehensive Technical Specification & Application Guide
1. Executive Summary & Product Positioning
The LSC030I06-MP-V1, developed by LESSON (Wan'an) Zhixian Technology Co., Ltd., is a 3.0-inch transmissive amorphous Silicon TFT-LCD module with an integrated Capacitive Touch Panel (CTP). This product specification book defines its structural composition as a combined LCM (LCD Module) and CTP unit. The document provides the pinout description for the unified FPC connector, which carries signals for both the MIPI DSI display interface and the separate I²C touch panel interface. This integrated solution simplifies mechanical assembly and reduces connector count for end-products requiring both display and touch input. Engineers should use this pinout definition to design the host board's connector and interface circuitry for both the display and touch functions simultaneously.
2. Detailed Product Overview & Architecture
- Core Technology: Transmissive-type a-Si TFT-LCD.
- Module Construction: Integrated LCD Module (LCM) + Capacitive Touch Panel (CTP). Likely COG+FPC+B/L+CTP structure.
- Display Interface: MIPI DSI (Display Serial Interface) – inferred from the presence of differential data (D0P/N) and clock (CLKP/N) pins.
- Touch Panel Interface: Separate I²C interface (CTP_SDA, CTP_SCL) with dedicated control pins (CTP_RST, CTP_INT).
- Function: A fully integrated display and touch solution.
3. Exhaustive Technical Specifications
3.1 Mechanical & Physical Specifications
(Note: Specific dimensions for panel size, active area, resolution, and module size are not provided in the given context excerpt. This critical information must be obtained from the full LSC030I06-MP-V1 specification document.)
3.2 Electrical & Interface Specifications
3.2.1 Pin Description (25-pin FPC) – Integrated LCM & CTP
The FPC connector combines power, display signals, and touch signals.
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 1, 7, 11, 14, 17, 20, 21 | GND | P | Ground. |
| 2 | CTP_RST3.3V | I | Reset signal pin for the Capacitive Touch Panel (CTP) controller. |
| 3 | CTP_SDA3.3V | I | I²C data pin for the CTP controller. |
| 4 | CTP_SCL3.3V | I | I²C clock pin for the CTP controller. |
| 5 | CTP_INT3.3V | I | Interrupt signal output from the CTP controller. |
| 6 | CTP_VDD3.3V | P | Power supply for the CTP controller (3.3V). |
| 8 | VDD2.8-3.3V | P | Main power supply for the LCD module (2.8-3.3V). |
| 9 | IOVCC1.8V | P | I/O Logic Power supply for the LCD module (1.8V). |
| 10 | RESET | I | The external reset input for the LCD driver. |
| 12 | D0N | I/O | MIPI DSI differential data pair (Lane 0, negative). |
| 13 | D0P | I/O | MIPI DSI differential data pair (Lane 0, positive). |
| 15 | CLKN | I | MIPI DSI differential clock pair (negative). |
| 16 | CLKP | I | MIPI DSI differential clock pair (positive). |
| 18 | D1N | I | MIPI DSI differential data pair (Lane 1, negative). |
| 19 | D1P | I | MIPI DSI differential data pair (Lane 1, positive). |
| 22, 23 | LEDA | P | Power for LED backlight anode. |
| 24, 25 | LEDK | P | Power for LED backlight cathode. |
Key Observations:
- Dual Interfaces: Pins 2-6 are for the CTP (I²C + GPIOs). Pins 8-19 are primarily for the LCD (Power, Reset, MIPI DSI).
- Dual Power Domains: The LCD requires VDD (2.8-3.3V) and IOVCC (1.8V). The CTP requires CTP_VDD (3.3V). Three distinct voltage rails are needed.
- Dual Reset Lines: Separate reset pins for the LCD (
RESET) and the CTP controller (CTP_RST3.3V). Both must be initialized correctly. - MIPI DSI Configuration: The presence of D0P/N and D1P/N suggests a 2-lane MIPI DSI configuration. CLKP/N is the clock lane.
- Backlight Connection: Dedicated anode (LEDA) and cathode (LEDK) pins, with two of each likely for parallel connection and current handling.
3.2.2 Electrical Characteristics & Interface Timing
(Note: Absolute Maximum Ratings, DC Characteristics, MIPI DSI timing parameters, CTP I²C timing, and backlight specifications are not provided in the given context excerpt. These are critical for design and must be obtained from the full specification document.)
4. Application Guidelines & Critical Notes
- Intended Use: Modern consumer devices (smart home controls, portable media players), industrial HMIs, point-of-sale terminals—any application requiring a responsive touch interface on a color display in a compact form factor.
- Critical Design Considerations:
- Missing Critical Data: The provided excerpt is only a pinout table. The complete LSC030I06-MP-V1 product specification PDF is mandatory for any design work. It must contain mechanical drawings, electrical specs, and interface timing.
- Treat as Two Devices: This is a 2-in-1 module. The host system must have:
- A MIPI DSI transmitter to drive the display.
- An I²C master and GPIOs to communicate with and control the CTP controller.
- Triple Power Supply: Plan for three regulated power rails: ~3.0V for LCD VDD, 1.8V for LCD IOVCC, and 3.3V for CTP_VDD. Sequence them according to the full spec's recommendations.
- Independent Initialization: Implement separate initialization sequences for the LCD (via MIPI DSI commands) and the CTP controller (via I²C). Handle both reset lines appropriately.
- Connector and FPC: Ensure the board-to-FPC connector has enough pins (25) and is rated for the expected current, especially on the backlight pins (LEDA/LEDK).
- Signal Integrity: The MIPI DSI differential pairs require controlled impedance routing on the host PCB.
- Handling: Exercise extreme care due to the integrated glass touch panel. Follow strict ESD protocols.
5. Conclusion & Design-In Support
The LSC030I06-MP-V1 represents a convenient integrated display and touch module, as evidenced by its unified pinout combining MIPI DSI and CTP I²C signals. The primary value of the provided information is the pin definition, which reveals the module's architecture and power requirements. However, all other technical details necessary for circuit design and software drivers are absent from the given context. To proceed, engineers must obtain the full specification to understand the display's resolution, size, optical performance, electrical limits, and the complete timing requirements for both the MIPI and I²C interfaces. This module simplifies mechanical integration but requires a host system capable of supporting both high-speed display and touch interfaces.