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HMT035ATA-D LCD Module User Manual Release Date - Preliminary Draft release Document Name: HMT035ATA-D Page: 1 of 12

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LCD Module User Manual Document Name: HMT035ATA-D Page: 2 of 12

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LCD Module User Manual 1 Basic Specification TOPWAY HMT035ATA-D is a Smart TFT Module with 32bit MCU on board. Its graphics engine provides numbers of outstanding features. It supports TOPWAY TML 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:...

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LCD Module User Manual Terminal Function UART Interface Terminal (K1) Pin No. Pin Name I/O 1,2 3 4 5 6 7,8 Descriptions Power supply (6~26) High-Speed UART Reset-To-Send ,Output , High Active High-Speed UART TX Data ,Output High-Speed UART RX Data ,Input High-Speed UART RX Data ,Input 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 (K3) Pin No. Pin Name I/O 1 2 3 4 5 Descriptions Power supply USB DATA negative signal USB DATA positive signal Ground, (0V) Note. *1. TML...

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LCD Module User Manual Items Symbol Operating Voltage Vdd Rx Input MARK(1) VRxDM Rx Input SPACE(0) VRxDS Tx Output MARK(1) VTxDM Tx Output SPACE(0) VTxDS RTS(BUSY) Output High VTxDH RTS(BUSY) Output Low VTxDL Operating Current IDD Operating Current (USB) IVUSB Battery Supply Current IBAT Note. *1. Normal display condition GND=0V, TOP =25C Applicable Pin/FUNC VDD Rx Rx Tx Tx RTS(BUSY) RTS(BUSY) VDD (*1) VUSB AC Characteristics Items Start bit Data bit Parity bit Stop bit Baud Rate(*1) Serial Data Flow Control Note. *1.Baud Rate (1200bps～115200bps) could be adjusted by software config....

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LCD Module User Manual Function Specifications Basic Operation Function Descriptions HMT035ATA-D TML files Picture files ICONS files TFT Display UART interface Custom Memories VP variables Control and Draw Engine TML files, Picture files, ICON files are stored inside FLASH memory area. They are preloaded to HMT035ATA-D 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...

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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 , Protocol V1.00” or later. Document Name: HMT035ATA-D Page: 7 of 1

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LCD Module User Manual Note：The parameter is slightly changed by temperature, driving voltage and materiel. Document Name: HMT035ATA-D Page: 8 of 12

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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 PR-705 (Φ8mm) Measuring condition: - Measuring surroundings: Dark room - Measuring temperature: Ta=25℃. - Adjust operating voltage to get optimum contrast at the center of the display. Measured value at the center point of LCD panel after more than 5 minutes while backlight turning on. Note 2: The luminance uniformity is calculated by using following formula. △Bp = Bp (Min.) / Bp (Max.)×100 (%) Bp...

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LCD Module User Manual 6 CTP Application Precautions 6.1 CTP Mounting Precaution 6.1.1 Bezel Mounting (Figure 1) - The bezel window should be bigger than the CTP active area. It should be≥0.5mm each side. - Gasket should be installed between the bezel and the CTP surface. The final gap should be about 0.5~1.0mm. - 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 support and keep the module in place. - The mounting structure should be strong enough to...

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LCD Module User Manual 6.2.1 The product made of glass. Do not subject it to a mechanical shock by dropping it from a high place, etc. 6.2.2 Do not apply excessive or uneven force to the product since this may damage to the performance. 6.2.3 If the display surface is contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If still not completely clear, moisten cloth with Isopropyl alcohol or Ethyl alcohol solvents. Solvents other than those mentioned above may damage the product. Especially, do not use Water, Ketone, Aromatic solvents. 6.2.4 Do not attempt to...

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LCD Module User Manual 7 Precautions of using LCD Modules Please refer to "LCD-Module-Design-Handling-Precaution.pdf". Document Name: HMT035ATA-D Page: 12 of 12

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HMT035ATA-D
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