HMT101ATA-C Smart TFT LCD Module – 10.1 Inch Resistive Touch Display
The HMT101ATA-C is a 10.1-inch Smart TFT LCD module with a built-in 32-bit MCU, designed for standalone HMI applications. It supports TOPWAY TML graphical interface files, allowing the display to operate independently from the host controller. This significantly reduces development time and firmware complexity, making it suitable for industrial control, instrumentation, medical electronics, and power equipment applications
Key Features
- Built-in 32-bit MCU with graphics engine
- Standalone HMI operation using preloaded TML files
- Resistive touch panel with anti-glare surface
- Dual interface support: UART (RS232) + USB
- On-board Flash memory, RAM, and RTC
- Wide operating temperature range
- Simplifies host MCU hardware and software design
Display Specifications
- Display Size: 10.1 inch (diagonal)
- Resolution: 1024 × 600 pixels (RGB)
- Color Depth: 65K colors (16-bit)
- Pixel Configuration: RGB Stripe
- Display Mode: Transmissive / Normal Black
-
Viewing Direction:
- 6H (gray-scale inverse)
- 12H (for color scale content)
- Active Area: 222.72 × 125.28 mm
- Outline Dimensions: 251.0 × 140.0 × 19.1 mm
- Backlight: LED
- Surface Treatment: Anti-Glare
- Typical Luminance: 300 cd/m²
Optical Characteristics
-
Viewing Angle (CR ≥10):
- Top: 75° (typ.)
- Bottom: 80° (typ.)
- Left / Right: 80° (typ.)
- Contrast Ratio: 800:1 (typ.)
-
Response Time:
- Rise (TON): 7 ms (typ.)
- Fall (TOFF): 9 ms (typ.)
- NTSC Color Gamut: 50% (typ.)
- Luminance Uniformity: 80% (typ.)
Touch Panel
- Type: Resistive Touch Panel (RTP)
- Surface: Anti-glare treatment
- Supports coordinate reporting and key ID response via UART
- Touch calibration supported via command or power-on method
Electrical Specifications
-
Operating Voltage:
- Typical: 12 V
- Range: 11 – 26 V
-
Operating Current:
- Typical: 350 mA (normal display, USB disconnected)
-
RTC Backup Battery Current:
- Typical: 0.6 µA
Interfaces & Connectivity
UART Interface (K1)
- Interface Type: RS232 (UART)
- Signals: VDD, GND, TX, RX, RTS (BUSY)
- Default Baud Rate: 115200 bps
- Hardware handshake supported and recommended
USB Interface (K2)
- Used for preloading TML, images, and icon files
- Appears as USB storage device
- Important: USB must not be connected while VDD (K1) is powered
Memory Resources
-
Flash Memory:
- TML files, images, icons, user data
-
RAM (VP Variables):
- Strings, integers, graphic arrays
- Customer Flash: 256 KB
- USR BIN Area: 256 KB
- RTC: Built-in, battery backed
Operating Conditions
- Operating Temperature: −20°C to +70°C
- Storage Temperature: −30°C to +80°C
- Humidity: No condensation
Typical Applications
- Industrial HMI panels
- Control & automation systems
- Medical equipment interfaces
- Power and energy monitoring systems
- Instrumentation displays
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