Tags & Keywords
#TFT-LCD #8080Parallel #SPI #1.46inch #360x360 #262KColors #SquareDisplay #DualInterface #FlexibleDesign #MCUInterface #EmbeddedSystem #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSL0146I01-X-V1, a 1.46-inch square transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a square resolution of 360x360, 262K colors, and a very compact form factor, this module stands out by offering dual interface support: 8080 parallel and SPI. With its flexible interface options and detailed timing specifications for both, it serves as an adaptable solution for a wide range of embedded systems, from high-speed MCU connections to simple SPI-based designs.
Key Specifications
- Brand & Model: LESSON Smart Display LSL0146I01-X-V1
- Screen Size: 1.46 inches (diagonal)
- Active Area: 36.94 mm (H) × 36.94 mm (V) (Square)
- Driver IC: ST77916
- Display Technology: Transmissive type a-Si TFT-LCD
- Module Type: Standard TFT-LCD module.
- Display Resolution: 360(RGB) × 360 pixels
- Display Colors: 262K Colors
- Module Outline Dimensions: 39.34 mm (H) × 40.01 mm (V) × 1.6 mm (D)
- Interface: Dual Interface – 8080 Parallel & SPI (Selectable).
- Supply Voltages:
- VCC (Core Power): 2.65V ~ 3.3V (Typical: 2.8V)
- IOVCC (I/O Power): 1.65V ~ 3.3V (Typical: 1.8V)
- Absolute Maximum Ratings:
- VCC / IOVCC: -0.3V to +4.6V
- Operating Temperature (T_OPR): -20°C to +70°C
- Storage Temperature (T_STR): -30°C to +80°C
- DC Electrical Characteristics: Defines VIL, VIH levels.
- Interface Timing – 8080 Parallel: Extensive timing table for write/read cycles, address/data setup/hold times (tAS, tAHT), chip select timing (tCHW, tCS), and control pulse widths.
- Interface Timing – SPI: Detailed timing table for serial interface, covering clock cycle (tSCYCW, tSCYCR), pulse widths, and data setup/hold times.
- Optical Characteristics (Typical):
- Response Time (Tr+Tf): 30 ms
- Contrast Ratio (CR): 1200:1
- Transmittance (T%): 2.94%
- Viewing Angle (CR>10): 85° (All sides)
- Environmental Compliance: RoHS Compliant
General Description
The LSL0146I01-X-V1 is a highly flexible small square display. Its key feature is support for two common MCU interfaces. The 8080 parallel interface (with D/CX, WRX, RDX, CSX pins) offers higher bandwidth for faster graphics updates. The SPI interface (with SCL, SDA, CSX pins) saves GPIO pins. The specification provides complete timing tables for both interfaces, allowing developers to choose the best fit for their host processor and performance needs. The module also includes basic optical performance specifications.
Key Features
- Dual Interface Flexibility: Choose between speed (8080) and pin-count (SPI).
- Comprehensive Timing Specs: For both interfaces, enabling reliable integration.
- Square Form Factor: Useful for compact, symmetric designs.
- Well-Defined Electricals: Clear operating conditions.
Application Scenarios
- Flexible Embedded Designs: Prototyping or products where interface choice may change.
- High-Performance MCU Projects: Using 8080 interface for smooth animation.
- Pin-Constrained MCU Projects: Using SPI interface to conserve I/O.
- Educational Kits: Teaching different display interface protocols.
- General-Purpose Small Displays: For various IoT, wearable, or industrial devices.
Conclusion
The LESSON Smart Display LSL0146I01-X-V1 is a versatile and developer-friendly display module. Its dual-interface capability, backed by detailed timing specifications for each, provides exceptional design flexibility. This makes it an ideal choice for a broad spectrum of embedded projects, allowing optimization for either performance or system resource constraints.
