Tags & Keywords
#TFT-LCD #SPI #2.01inch #240x296 #262KColors #UltraCompact #MCUDisplay #EmbeddedSystem #IoT #Wearable #LowPinCount #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSL0201I07-S-V1, a 2.01-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a resolution of 240(RGB)x296, 262K colors, and a compact form factor, this module is designed for extremely space and pin-count constrained applications. With its 4-line SPI (Serial Peripheral Interface) and minimal pin requirement, it serves as an accessible solution for basic graphical output on microcontrollers (MCUs) in IoT devices, wearable tech, simple industrial indicators, and hobbyist projects.
Key Specifications
- Brand & Model: LESSON Smart Display LSL0201I07-S-V1
- Screen Size: 2.01 inches (diagonal)
- Active Area: 32.04 mm (H) × 39.516 mm (V)
- Driver IC: JD9853
- Display Technology: TFT-LCD Module
- Display Mode: Transmissive
- Module Type: COG + FPC + B/L + LENS
- Display Resolution: 240(RGB) × 296 pixels
- Display Colors: 262K Colors
- Module Outline Dimensions: 42.0 mm (H) × 51.5 mm (V) × 3.38 mm (D)
- Interface: 4-line Serial SPI Interface (CS, SCL, SDA, RS/DC)
- Supply Voltages:
- VCC (Core Power): 2.6V ~ 3.3V (Typical: 2.8V)
- IOVCC (I/O Power): 1.65V ~ 3.3V (Typical: 2.8V)
- DC Electrical Characteristics: Defines VIL, VIH levels relative to IOVCC.
- Pin Description: 15-pin connector with SPI pins (CS, SCL, SDA, RS), reset (RESET), power (VCI, LEDA/K), ground, and TE output.
- Interface Timing: Detailed SPI timing characteristics provided for both Write and Read operations, including setup/hold times for CS, DCX, and data (tDS, tDH), and clock cycle times (twc, trc).
- Backlight: LED backlight (LEDA, LEDK pins).
- Environmental Compliance: RoHS Compliant
General Description
The LSL0201I07-S-V1 is a minimalist display module. Its primary advantage is the simple SPI interface, which requires only a few GPIO pins from a host MCU, making it ideal for devices with limited I/O. The specification provides a clear pin description and, crucially, a full set of SPI timing parameters with minimum values for write cycle (16ns), read cycle (150ns), and associated setup/hold times. This allows developers to reliably bit-bang the interface or use MCU SPI peripherals with appropriate clock configuration.
Key Features
- Ultra-Compact Size: Fits into very small devices.
- Low Pin-Count Interface: SPI requires only 4 signal pins (+ power).
- Detailed SPI Timing: Enables stable software or hardware SPI driver development.
- TE Output Pin: Allows for frame synchronization to reduce tearing.
Application Scenarios
- Ultra-Compact IoT Devices: Sensor hubs, smart tags with status display.
- Simple Wearables: Basic smart bands, fitness trackers.
- Industrial Indicators: Small status/parameter displays on equipment.
- Hobbyist & Prototyping: Easy to connect to Arduino, Raspberry Pi Pico, etc.
- Consumer Gadgets: Small accessory displays.
Conclusion
The LESSON Smart Display LSL0201I07-S-V1 is an excellent entry-level or space-optimized display solution. Its straightforward SPI interface and comprehensive timing specs make it incredibly easy to integrate with virtually any microcontroller, providing a path to adding a basic color graphical user interface to the most constrained embedded designs.
