*mydirectindustry

Catalogs
TOPWAY LCD
HMT080ATA-C

HMT080ATA-C

Product catalog summary

Basic Specification
The TOPWAY HMT080ATA-C is a Smart TFT Module with a 32-bit MCU and graphics engine supporting TOPWAY TML 3.0, suitable for industrial, medical, and power electronics applications. It features an 8-inch screen, 800x600 resolution, 65k color depth, and operates between -20 to +70°C.

Absolute Maximum Ratings
Power supply voltage ranges from -0.3 to 15.6V, with operating temperatures between -20°C and 70°C. Exceeding these limits may cause damage.

Electrical Characteristics
Operates at 12V with a typical current of 205 mA, supporting RS-232C and USB interfaces.

Function Specifications
Stores TML, picture, and icon files in FLASH memory, preloaded via USB, and supports real-time data access through UART.

Optical Characteristics
Contrast ratio of 700:1 to 900:1, luminance of 200 cd/m², and viewing angles of 80 degrees (top, left, right) and 60 degrees (bottom).

Design and Handling Precautions
Ensure adjustable V0 and VCOM for optimal contrast, avoid exceeding maximum ratings, and handle by the sides to prevent damage.

Mounting Instructions
Includes detailed instructions for CTP and RTP mounting to ensure proper installation.

Warranty
Emphasizes adherence to specified conditions to maintain reliability.

Specifications and Handling Instructions

Avoid prolonged display of a single image to prevent burn-in.
Store in conditions of 0°C to 40°C with less than 80% RH.
Handle by edges and ensure anti-static measures.
Clean with a soft, dry cloth or isopropyl alcohol.
Ensure strong mounting structure with appropriate gaps and support.

Mounting Instructions

Bezel Mounting: Ensure bezel window is larger than the active area with a 0.5-1.0mm gap.
Surface Mounting: Use double-sided adhesive on a clean, flat surface with a ≥0.3mm gap around the cover lens.
Additional Cover Lens: Maintain a 0.2-0.3mm gap between the cover lens and CTP surface.

Warranty and Liability
Product is guaranteed for general electronic use, not for critical applications without a separate agreement. The company is not liable for defects from additional processes or static electricity post-inspection.

Command Protocol Overview
Details the TOPWAY SMART LCD Command Protocol V5.04, including flash memory operations, RTC settings, USB drive management, display control, and system register operations.

Flash Memory Operations

Flash Write (0x90): Writes data to flash address range 0x00000 to 0x03FFFF.
Flash Read (0x91): Reads data from specified flash address.

RTC Operations

RTC Read (0x9B): Retrieves current RTC value.
RTC Set (0x9C): Sets RTC with specified date and time.

USB Drive Management

U_drv_format (0xE2): Formats USB drive, erasing all files.
U_drv_unlock (0xE3): Unlocks USB drive for file operations.

Display Control Functions

disp_page (0x70): Displays a pre-stored TML file.
set_element_fg (0x7E): Sets foreground color of elements.

System Register Operations

System Register Write (0x3B): Writes to a system register address.
System Register Read (0x3C): Reads from a system register address.

Additional Commands

Successive_write (0x82) and Successive_read (0x83): Handle writing and reading successive values.
BP1_write (0x4B) and BP1_write_compress (0x4C): Write bitmap data to VP_BP1.

Communication Packet Structure
Commands and responses are transferred in a specific packet structure, ensuring reliable data exchange.

Memory Structure Commands

N16 Commands: Write, read, and fill 16-bit numbers in VP_N16 range.
N32 Commands: Write, read, and fill 32-bit numbers in VP_N32 range.
N64 Commands: Write, read, and fill 64-bit numbers in VP_N64 range.

Key Notes
All commands must be transferred in a communication packet structure, with response codes following a specific format.

Catalog excerpts

HMT080ATA-C LCD Module User Manual Release Date - Preliminary Draft release -Add Highlight Description www.topwaydisplay.com www.topwaysz.com Document Name: HMT080ATA-C-Manual-Rev0.2.doc Page: 1 of 13

Open the catalog to page 1

LCD Module User Manual www.topwaydisplay.com www.topwaysz.com Document Name: HMT080ATA-C-Manual-Rev0.2.doc Page: 2 of 13

Open the catalog to page 2

LCD Module User Manual 1 Basic Specification TOPWAY HMT080ATA-C is a Smart TFT Module with 32bit MCU on board. Its graphics engine provides numbers of outstanding features. It supports TOPWAY TML 3.0 for preload and pre-design display interface that simplify the host operation and development time. Suitable for industry control, instrumentation, medical electronics, power electric equipment applications. General Specification Screen Size(Diagonal) : Resolution : Color Depth : Pixel Configuration : Display Mode : Viewing Direction : Outline Dimension : Active Area : Backlight : Command I/F: Project...

Open the catalog to page 3

LCD Module User Manual Terminal Function RS232 Interface Terminal (K1) Pin No. Pin Name I/O 1, 2 3 Descriptions Power supply (12.0V) Request To Send (could function as busy BUSY signal) (eg. to PC’s RS232C pin8 <9pin D-connector> ) Data output (eg. to PC’s RS232C pin2 <9pin D-connector>) Data Input (eg. to PC’s RS232C pin3 <9pin D-connector>) Ground, (0V) Note. *1. User data and commands transfer through this terminal. *2. HOST using command hand shake during communication is suggested. USB Interface Terminal (K2) Pin No. Pin Name I/O 1 2 3 4 5 Descriptions Power supply (5V) USB DATA negative...

Open the catalog to page 4

LCD Module User Manual GND=0V, VDD=12V, TOP =25C Items Symbol MIN. TYP. MAX. Unit Applicable Pin Operating Voltage VDD 10.5 12.0 13.5 V VDD Rx Input MARK(1) VRxM -3.0 -15.0 V Rx Rx Input SPACE(0) VRXS +3.0 +15.0 V Rx Tx Output MARK(1) VTXM -3.0 -15.0 V Tx Tx Output SPACE(0) VTXS +3.0 +15.0 V Tx RTS Output High VTXH -3.0 -15.0 V RTS(BUSY) RTS Output Low VTXL +3.0 +15.0 V RTS(BUSY) Operating Current IDD 205 mA VDD (*1) Operating Current (USB) IVUSB 160 mA VUSB Battery Supply current IBAT 6 uA (*2) Note. *1. Normal display condition. *2. For Battery driving RTC application, RTC configuration should...

Open the catalog to page 5

LCD Module User Manual Basic Operation Function Descriptions TML files Picture files ICONS files UART interface Custom Memories Touch Panel Control and Draw Engine TML files, Picture files, ICON files are stored inside FLASH memory area. They are preloaded to HMT080ATA-C for stand alone interface use. Those files are preloaded via USB interface as an USB drive. All the interface flow and the touch response are based on the preloaded TML files VP variables memory is inside RAM area, it provides real time access via UART by the HOST or display onto the TFT by TML file. Custom Memories are inside...

Open the catalog to page 6

LCD Module User Manual Quick Start Guide Install TOPWAY Graphics Editor Import pictures 2. design UI flow Connect to host Show 5. real time data Command Descriptions Please refer to “SMART LCD Command Manual” . www.topwaydisplay.com www.topwaysz.com Document Name: HMT080ATA-C-Manual-Rev0.2.doc Page: 7 of 1

Open the catalog to page 7

LCD Module User Manual 5 Optical Characteristics Item View Angles Contrast Ratio Response Time TOFF White Blue Uniformity NTSC Luminance 1.IF= 40 mA, and the ambient temperature is 25℃. 2. The test systems refer to Note 1 and Note 2. www.topwaydisplay.com www.topwaysz.com

Open the catalog to page 8

LCD Module User Manual Note 1: The data are measured after LEDs are turned on for 5 minutes. LCM displays full white. The brightness is the average value of 9 measured spots. Measurement equipment SR-3A (1° ) Measuring condition: - Measuring surroundings: Dark room - Measuring temperature: Ta=25℃. - Adjust operating voltage to get optimum contrast at the center of the display. Note 3: The definition of contrast ratio (Test LCM using SR-3A (1° )): Luminance When LCD is at “White” state Contrast = Ratio(CR) Luminance When LCD is at “Black” state (Contrast Ratio is measured in optimum common electrode...

Open the catalog to page 9

LCD Module User Manual 6 LCD Module Design and Handling Precautions Please ensure V0, VCOM is adjustable, to enable LCD module get the best contrast ratio under different temperatures, view angles and positions. Normally display quality should be judged under the best contrast ratio within viewable area. Unexpected display pattern may com out under abnormal contrast ratio. Never operate the LCD module exceed the absolute maximum ratings. Never apply signal to the LCD module without power supply. Keep signal line as short as possible to reduce external noise interference. IC chip (e.g. TAB or...

Open the catalog to page 10

LCD Module User Manual dropping from high place) will damage the LCD module. Protective film is attached on LCD screen. Be careful when peeling off this protective film, since static electricity may be generated. Polarizer on LCD gets scratched easily. If possible, do not remove LCD protective film until the last step of installation. When peeling off protective film from LCD, static charge may cause abnormal display pattern. The symptom is normal, and it will turn back to normal in a short while. LCD panel has sharp edges, please handle with care. Never attempt to disassemble or rework LCD module....

Open the catalog to page 11

LCD Module User Manual 7.3 Additional Cover Lens Mounting (Figure 3) - For the case of additional cover Lens mounting, it is necessary to recheck with the CTP specification about the material and thickness to ensure the functionality. - It should keep a 0.2~0.3mm gap between the cover lens and the CTP surface.. - The cover lens window should be bigger than the active area of the CTP.It should be≥0.5mm each side. - It is recommended to provide an additional support bracket for backside support when necessary (e.g. slim type TFT module without mounding structure). They should only provide appropriate...

Open the catalog to page 12

LCD Module User Manual In general design, RTP V.A. should be bigger than the TFT V.A. and RTP A.A. should be bigger than the TFT A.A. (Figure 5) 通常设计时： RTP的可视区 V.A. 应不小于TFT 的可视区 V.A. 及RTP的动作区 A.A. 应不小于TFT 的动作区 A.A. (附图5) Warranty This product has been manufactured to our company’s specifications as a part for use in your company’s general electronic products. It is guaranteed to perform according to delivery specifications. For any other use apart from general electronic equipment, we cannot take responsibility if the product is used in medical devices, nuclear power control equipment, aerospace...

Open the catalog to page 13

HMT080ATA-C

HMT080ATA-C

Catalog excerpts

All TOPWAY LCD catalogs and technical brochures