pic tft lcd interface made in china

TOPWAYHKT035BTB-1Dis a Smart TFT Module with 32bit MCU on board. Its graphics engine provides numbers of outstanding features. It is Suitable for Smart home, industry control, instrumentation, medical electronics, power electric equipment applications.

Our new line of 10.1” TFT displays with IPS technology are now available! These 10.1” IPS displays offer three interface options to choose from including RGB, LVDS, and HDMI interface, each with two touchscreen options as capacitive or without a touchscreen.

The new line of 3.5” TFT displays with IPS technology is now available! Three touchscreen options are available: capacitive, resistive, or without a touchscreen.

A thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display that uses thin-film-transistor technologyactive matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven (i.e. with segments directly connected to electronics outside the LCD) LCDs with a few segments.

In February 1957, John Wallmark of RCA filed a patent for a thin film MOSFET. Paul K. Weimer, also of RCA implemented Wallmark"s ideas and developed the thin-film transistor (TFT) in 1962, a type of MOSFET distinct from the standard bulk MOSFET. It was made with thin films of cadmium selenide and cadmium sulfide. The idea of a TFT-based liquid-crystal display (LCD) was conceived by Bernard Lechner of RCA Laboratories in 1968. In 1971, Lechner, F. J. Marlowe, E. O. Nester and J. Tults demonstrated a 2-by-18 matrix display driven by a hybrid circuit using the dynamic scattering mode of LCDs.T. Peter Brody, J. A. Asars and G. D. Dixon at Westinghouse Research Laboratories developed a CdSe (cadmium selenide) TFT, which they used to demonstrate the first CdSe thin-film-transistor liquid-crystal display (TFT LCD).active-matrix liquid-crystal display (AM LCD) using CdSe TFTs in 1974, and then Brody coined the term "active matrix" in 1975.high-resolution and high-quality electronic visual display devices use TFT-based active matrix displays.

The liquid crystal displays used in calculators and other devices with similarly simple displays have direct-driven image elements, and therefore a voltage can be easily applied across just one segment of these types of displays without interfering with the other segments. This would be impractical for a large display, because it would have a large number of (color) picture elements (pixels), and thus it would require millions of connections, both top and bottom for each one of the three colors (red, green and blue) of every pixel. To avoid this issue, the pixels are addressed in rows and columns, reducing the connection count from millions down to thousands. The column and row wires attach to transistor switches, one for each pixel. The one-way current passing characteristic of the transistor prevents the charge that is being applied to each pixel from being drained between refreshes to a display"s image. Each pixel is a small capacitor with a layer of insulating liquid crystal sandwiched between transparent conductive ITO layers.

The circuit layout process of a TFT-LCD is very similar to that of semiconductor products. However, rather than fabricating the transistors from silicon, that is formed into a crystalline silicon wafer, they are made from a thin film of amorphous silicon that is deposited on a glass panel. The silicon layer for TFT-LCDs is typically deposited using the PECVD process.

Polycrystalline silicon is sometimes used in displays requiring higher TFT performance. Examples include small high-resolution displays such as those found in projectors or viewfinders. Amorphous silicon-based TFTs are by far the most common, due to their lower production cost, whereas polycrystalline silicon TFTs are more costly and much more difficult to produce.

The twisted nematic display is one of the oldest and frequently cheapest kind of LCD display technologies available. TN displays benefit from fast pixel response times and less smearing than other LCD display technology, but suffer from poor color reproduction and limited viewing angles, especially in the vertical direction. Colors will shift, potentially to the point of completely inverting, when viewed at an angle that is not perpendicular to the display. Modern, high end consumer products have developed methods to overcome the technology"s shortcomings, such as RTC (Response Time Compensation / Overdrive) technologies. Modern TN displays can look significantly better than older TN displays from decades earlier, but overall TN has inferior viewing angles and poor color in comparison to other technology.

The transmittance of a pixel of an LCD panel typically does not change linearly with the applied voltage,sRGB standard for computer monitors requires a specific nonlinear dependence of the amount of emitted light as a function of the RGB value.

Less expensive PVA panels often use dithering and FRC, whereas super-PVA (S-PVA) panels all use at least 8 bits per color component and do not use color simulation methods.BRAVIA LCD TVs offer 10-bit and xvYCC color support, for example, the Bravia X4500 series. S-PVA also offers fast response times using modern RTC technologies.

TFT dual-transistor pixel or cell technology is a reflective-display technology for use in very-low-power-consumption applications such as electronic shelf labels (ESL), digital watches, or metering. DTP involves adding a secondary transistor gate in the single TFT cell to maintain the display of a pixel during a period of 1s without loss of image or without degrading the TFT transistors over time. By slowing the refresh rate of the standard frequency from 60 Hz to 1 Hz, DTP claims to increase the power efficiency by multiple orders of magnitude.

Due to the very high cost of building TFT factories, there are few major OEM panel vendors for large display panels. The glass panel suppliers are as follows:

External consumer display devices like a TFT LCD feature one or more analog VGA, DVI, HDMI, or DisplayPort interface, with many featuring a selection of these interfaces. Inside external display devices there is a controller board that will convert the video signal using color mapping and image scaling usually employing the discrete cosine transform (DCT) in order to convert any video source like CVBS, VGA, DVI, HDMI, etc. into digital RGB at the native resolution of the display panel. In a laptop the graphics chip will directly produce a signal suitable for connection to the built-in TFT display. A control mechanism for the backlight is usually included on the same controller board.

The low level interface of STN, DSTN, or TFT display panels use either single ended TTL 5 V signal for older displays or TTL 3.3 V for slightly newer displays that transmits the pixel clock, horizontal sync, vertical sync, digital red, digital green, digital blue in parallel. Some models (for example the AT070TN92) also feature input/display enable, horizontal scan direction and vertical scan direction signals.

New and large (>15") TFT displays often use LVDS signaling that transmits the same contents as the parallel interface (Hsync, Vsync, RGB) but will put control and RGB bits into a number of serial transmission lines synchronized to a clock whose rate is equal to the pixel rate. LVDS transmits seven bits per clock per data line, with six bits being data and one bit used to signal if the other six bits need to be inverted in order to maintain DC balance. Low-cost TFT displays often have three data lines and therefore only directly support 18 bits per pixel. Upscale displays have four or five data lines to support 24 bits per pixel (truecolor) or 30 bits per pixel respectively. Panel manufacturers are slowly replacing LVDS with Internal DisplayPort and Embedded DisplayPort, which allow sixfold reduction of the number of differential pairs.

The bare display panel will only accept a digital video signal at the resolution determined by the panel pixel matrix designed at manufacture. Some screen panels will ignore the LSB bits of the color information to present a consistent interface (8 bit -> 6 bit/color x3).

Kawamoto, H. (2012). "The Inventors of TFT Active-Matrix LCD Receive the 2011 IEEE Nishizawa Medal". Journal of Display Technology. 8 (1): 3–4. Bibcode:2012JDisT...8....3K. doi:10.1109/JDT.2011.2177740. ISSN 1551-319X.

K. H. Lee; H. Y. Kim; K. H. Park; S. J. Jang; I. C. Park & J. Y. Lee (June 2006). "A Novel Outdoor Readability of Portable TFT-LCD with AFFS Technology". SID Symposium Digest of Technical Papers. AIP. 37 (1): 1079–82. doi:10.1889/1.2433159. S2CID 129569963.

STONE Technologies is a proud manufacturer of superior quality TFT LCD modules and LCD screens. The company also provides intelligent HMI solutions that perfectly fit in with its excellent hardware offerings.

There is also a downloadable design software called STONE Designer. This is a completely free GUI design software you can use to create responsive digital module-ready user interfaces.

STONE TFT LCD modules come with a microcontroller unit that has a 1GHz Cortex-A8 CPU. Such a module can easily be transformed into an HMI screen. Simple hexadecimal instructions can be used to control the module through the UART port. Furthermore, you can seamlessly develop STONE TFT LCD color user interface modules and add touch control, features to them.

The famous china LCD display manufacturers. It is the world’s leading semiconductor display technology, products, and services provider. Products are widely used in mobile phones, tablets, laptops, monitors, televisions, cars, digital information displays, and other display fields.

Focus on the development and production of china HMI (Intelligent TFT LCD Module) LCD display manufacturers, production, and sales of LCD display modules for 16 years. The company master TFT LCD technology and software system. The main products are industrial electronic series, advanced series, and civil and commercial series. Application scenarios include automation systems, medical beauty equipment, vending machines, smart lockers, energy, and power equipment (refueling machines, charging piles), elevators, smart homes, and offices, measuring instruments, public transportation, etc.

Mainly committed to the r&d, production, and sales of TFT-LCD/stn-LCD /OLED display modules, it is a modern high-tech enterprise that provides a full range of product LCD module technology and manufacturing support services for TCL group member enterprises and international electronic enterprises.

Set an LCD display module (LCM), capacitive touch screen (CTP), fully integrated touch display module (TDM), LCD thin technology development, production, and service in one national high-tech company.

Domestic size of the top four small and medium-sized flat panel display manufacturers. The products cover medium and small-size TFT-LCD display modules and high-precision miniature cameras, which have been widely used in the fields of smartphones, medical treatment, and industrial display.

The LCD business division is specialized in the r&d, production, and sales of the LCD display (LCD) and LCD module (LCM) series of products. It has ten semi-automatic COG production lines, 1.5KK of monthly COG products, covering COG, TAB, COB, and other LCD module products, TFT, CSTN, and other color LCD display products, and OLED display products. touch screen manufacturers.

Byd IT products and business mainly include the establishment of rechargeable batteries, plastic parts, metal parts, hardware, and electronic products, mobile phone keys, microelectronics, LCD display module, optoelectronic products, flexible circuit board, chargers, connectors, uninterruptible power supply, dc power supply, solar energy products, mobile phone decoration, mobile phones ODM, mobile phone test, assembly operations, laptop, ODM, manufacturing, testing and assembly operations, etc.

Star source products cover backlight, LCD, optical diaphragm, etc., widely used in LCD modules, photo frames, tablets, portable, instruments, and meters.

The company has long invested in the research and development of the TFT-lcm LCD module, focusing on consumer products and industrial control products. Currently, 3.5-11.6 inch modules are available, among which 4.0, 4.3, 5, 6, and 10.1-inch products have reached the leading level in the industry. Products are mainly used in vehicles, mobile TV, PMP, DVD, EPC, security, and industrial control products.

Professional development, design, production, and sales of LCD display module (LCM), products cover COB, TAB, COG, and other LCD module products, TFT, CSTN, and other color LCD display products, as well as OLED display products. Products are widely used in mobile phones, communications, digital products, household appliances, industrial control, instrumentation, vehicle display, color screen display, and other fields.

Mainly engaged in research and development, manufacturing, and sales of the LCD display and LCD display module. Products are widely used in all kinds of electronic products and equipment HMI interface, such as medical equipment, instruments and meters, audio, household appliances, telephone and clocks, game machines, and other different types and use.

Focusing on the LCD module industry, is a collection of research and development, manufacturing, sales as one of the high-tech enterprises. TFT module size from 1.44 to 7 inches, product specifications cover QVGA, WVGA, qHD, HD, etc., the market prospects are broad.

The display manufacturers company mainly researches and develops the LCD display, charger, battery, and other products of mobile communication mobile phone, telephone, MP3, and other high-tech products.

The company integrates research and development, design, production, sales, and service into one, and provides comprehensive touch and display integrated solutions for the complete machine touch screen manufacturer of smartphones, specializing in the development and manufacture of Sensor sensors, capacitive touch screens (GFF/OGS/GG), small and medium-sized LCD (TN/HTN/STN/CSTN/TFT) and corresponding modules and glass cover plate products. The company’s products are widely used in communication terminals (smartphone, tablet computer, etc.), household appliances, car electronics, digital products, and other industries, exported to Europe and America, Japan and South Korea, Singapore, and other countries.

Mainly produces medium and small-size LCD display module (LCM), multi-point capacitive touch screen (CTP), and other high-tech products. At present, more than 1000 models of 1.2-12.1 inch products have been developed. Products are widely used in mobile phones, GPS, mobile TV, tablet computers, digital photo frames, e-books, and other consumer electronics.

It is a professional development and production of small and medium-sized flat panel display upstream materials manufacturers. The company’s main products include LCD display panels, color filter, ITO conductive glass (CF), TFT LCD panel, and capacitive touch screen with multi-touch control functions (sensor and the final module), can provide complete medium and small size flat-panel display device using the solution of raw materials, product specifications varieties complete, widely used in 10.4 inches below the smartphone, tablet, PMP, digital camera, digital camera, GPS and other products of the display panel.

Now it is divided into mobile phone business division: the main products are (2.8-6) inch and the LCD screen and capacitive screen all fit together.MID tablet computer and ultrabook computer division: the main production product size is (7-15) inch capacitive touch screen.

Committed to 3.5~4.3 inches, 5 inches, 5.88 inches, 6.2 inches, 7.0 inches, 8.0 inches, 9.7 inches, 10.1 inches, 12.1 inches medium size FOG, backlight process production, products should be widely used in high-end communication phones, tablets, notebook computers, car TV, navigator, and other display products. automotive LCD display touch screen manufacturers.

The company has an injection molding business division, SMT business division, FPC business division, backlight business division, irrigation crystal business division, TFT module business division, SIN module business division, products involving touch screen, LCD display module, backlight, black and white screen, flexible circuit board.

Engaged in the laptop, tablet, smartphone, computer high-performance board card, LCD module, and other electronic products research and development, production, and sales of high-tech private enterprises.

Is a professional engaged in LCD display module, electronic components, production, design, research and development, sales as one of the high-tech enterprises. Products are widely used in mobile phones, game consoles, PDA, portable DVDs, video phones, intercom doorbells, car video, industrial control medical, and other fields.

STONE provides a full range of 3.5 inches to 15.1 inches of small and medium-size standard quasi TFT LCD module, LCD display, TFT display module, display industry, industrial LCD screen, under the sunlight visually highlight TFT LCD display, industrial custom TFT screen, TFT LCD screen-wide temperature, industrial TFT LCD screen, touch screen industry. The TFT LCD module is very suitable for industrial control equipment, medical instruments, POS system, electronic consumer products, vehicles, and other products.

7 Inch TFT LCD Panel Digital Photo Frame with 800*480 Resolution Function : Advanced Multi-Media Function. Size : 5-10 . Shape : Square. Material : Acrylic. Resolution Ratio : 800*480. Feature : Portable, USB. Memory Card : SD. Language Support : English. Image Format Support : JPG. Usage : Gifts. Color : White&Black. 7 Inch TFT LCD Panel Digital Photo Frame with 800*480 Resolution Main Functions of the Digital Photo Frame 1) Adopts ABS Full Plastic Frame+3mm Acrylic Glass As Protector L

Nextion is a Human Machine Interface （HMI） solution combining an onboard processor and memory touch display with Nextion Editor software for HMI GUI project development.

As a 2.4inch TFT display module with a resolution of 240 * 320, it uses the SPI interface for communication. LCD has an internal controller with basic functions, which can be used to draw points, lines, circles, and rectangles, and can display English, Chinese as well as pictures.

The 2.4inch LCD uses the PH2.0 8PIN interface, which can be connected to the Raspberry Pi according to the above table: (Please connect according to the pin definition table. The color of the wiring in the picture is for reference only, and the actual color shall prevail.)

The LCD supports 12-bit, 16-bit, and 18-bit input color formats per pixel, namely RGB444, RGB565, and RGB666 three color formats, this demo uses RGB565 color format, which is also a commonly used RGB format.

For most LCD controllers, the communication mode of the controller can be configured, usually with an 8080 parallel interface, three-wire SPI, four-wire SPI, and other communication methods. This LCD uses a four-wire SPI communication interface, which can greatly save the GPIO port, and the communication speed will be faster.

If you need to draw pictures, or display Chinese and English characters, we provide some basic functions here about some graphics processing in the directory RaspberryPi\c\lib\GUI\GUI_Paint.c(.h).

2. The module_init() function is automatically called in the INIT () initializer on the LCD, but the module_exit() function needs to be called by itself

Python has an image library PIL official library link, it do not need to write code from the logical layer like C, can directly call to the image library for image processing. The following will take 1.54inch LCD as an example, we provide a brief description for the demo.

The picture is not displayed full screen and also there is some lines at the time of bootup. Please find the source code, pictures and datasheets for your reference.

In this Arduino touch screen tutorial we will learn how to use TFT LCD Touch Screen with Arduino. You can watch the following video or read the written tutorial below.

As an example I am using a 3.2” TFT Touch Screen in a combination with a TFT LCD Arduino Mega Shield. We need a shield because the TFT Touch screen works at 3.3V and the Arduino Mega outputs are 5 V. For the first example I have the HC-SR04 ultrasonic sensor, then for the second example an RGB LED with three resistors and a push button for the game example. Also I had to make a custom made pin header like this, by soldering pin headers and bend on of them so I could insert them in between the Arduino Board and the TFT Shield.

Here’s the circuit schematic. We will use the GND pin, the digital pins from 8 to 13, as well as the pin number 14. As the 5V pins are already used by the TFT Screen I will use the pin number 13 as VCC, by setting it right away high in the setup section of code.

I will use the UTFT and URTouch libraries made by Henning Karlsen. Here I would like to say thanks to him for the incredible work he has done. The libraries enable really easy use of the TFT Screens, and they work with many different TFT screens sizes, shields and controllers. You can download these libraries from his website, RinkyDinkElectronics.com and also find a lot of demo examples and detailed documentation of how to use them.

After we include the libraries we need to create UTFT and URTouch objects. The parameters of these objects depends on the model of the TFT Screen and Shield and these details can be also found in the documentation of the libraries.

So now I will explain how we can make the home screen of the program. With the setBackColor() function we need to set the background color of the text, black one in our case. Then we need to set the color to white, set the big font and using the print() function, we will print the string “Arduino TFT Tutorial” at the center of the screen and 10 pixels  down the Y – Axis of the screen. Next we will set the color to red and draw the red line below the text. After that we need to set the color back to white, and print the two other strings, “by HowToMechatronics.com” using the small font and “Select Example” using the big font.

ILI9341 is a 262,144-color single-chip SOC driver for a-TFT liquid crystal display with resolution of 240RGBx320 dots, comprising a 720-channel source driver, a 320-channel gate driver, 172,800 bytes GRAM for graphic display data of 240RGBx320 dots, and power supply circuit. ILI9341 supports parallel 8-/9-/16-/18-bit data bus MCU interface, 6-/16-/18-bit data bus RGB interface and 3-/4-line serial peripheral interface (SPI). The moving picture area can be specified in internal GRAM by window address function. The specified window area can be updated selectively, so that moving picture can be displayed simultaneously independent of still picture area.

You can find ILI9341-based TFT displays in various sizes on eBay and Aliexpress. The one I chose for this tutorial is 2.2″ length along the diagonal, 240×320 pixels resolution, supports SPI interface, and can be purchased for less than $10.

Note that we will be using the hardware SPI module of the ESP8266 to drive the TFT LCD. The SPI communication pins are multiplexed with I/O pins D5 (SCK), D6 (MISO), and D7 (MOSI). The chip select (CS) and Data/Command (DC) signal lines are configurable through software.

For ILI9341-based TFT displays, there are some options for choosing the library for your application. The most common one is using Bodmer. We will use this library in this tutorial. So go ahead and download the

The library is based on the Adafruit GFX and Adafruit ILI9341 libraries and the aim is to retain compatibility. Significant additions have been made to the library to boost the speed for ESP8266 processors (it is typically 3 to 10 times faster) and to add new features. The new graphics functions include different size proportional fonts and formatting features. There are a significant number of example sketches to demonstrate the different features.

Configuration of the library font selections, pins used to interface with the TFT and other features is made by editting the User_Setup.h file in the library folder. Fonts and features can easily be disabled by commenting out lines.

Now you are all set to try out tons of really cool built-in examples that come with the library. The following output corresponds to the TFT_Pie_Chart example.

My favorite example is TFT terminal, which implements a simple “Arduino IDE Serial Monitor” like serial receive terminal for monitoring debugging messages from another Arduino or ESP8266 board.

Levetop Semiconductor announced an new LQFP-100pin TFT display controller - LT268D, which support 8/16-bit parallel or SPI interface. It embedded an ARM M4 core with high capacity Flash and SRAM, and offers multiple sets of Uart interfaces that can be connected to such as blue tooth modules, WiFi modules, USB interfaces, SD cards, analog input AIN, PWM, and INT interrupts. The LT268D internal main frequency up to 150MHz, provides the QSPI Flash interface, can quickly read the images stored in the external SPI Flash, animation, word library and other information, with PC computer software, simulation software, directly into the computer product UI display interface development. Its support for serial panel instructions including picture display, GIF animation display, circular picture display, progress bar display, text string display, QR code generation, audio playback, and combined with the effects of touch functions and other instructions. LT268D can be used in a variety of small appliances, smart home appliances, handheld control equipment, industrial control boards, electronic devices, medical equipment, small testing equipment, small electric motorcycle, personal medical beauty, small testing equipment, charging equipment, water and electricity meters, smart speakers with screens and other products.

Levetop Semiconductor announced a TFT display controller LT268C that drives 8 or 16-bit parallel, and SPI serial port. It embedded an ARM M4 core with high capacity Flash and SRAM, and offers multiple sets of Uart interfaces that can be connected to such as blue tooth modules, WiFi modules, USB interfaces, SD cards, analog input AIN, PWM, and INT interrupts. The LT268C internal main frequency up to 150MHz, provides the QSPI Flash interface, can quickly read the images stored in the external SPI Flash, animation, word library and other information, with PC computer software, simulation software, directly into the computer product UI display interface development. Its support for serial screen instructions including picture display, GIF animation display, circular picture display, progress bar display, text string display, QR code generation, audio playback, and combined with the effects of touch functions and other instructions. LT268C can be used in a variety of small appliances, smart home appliances, handheld control equipment, industrial control boards, electronic devices, medical equipment, small testing equipment, small electric motorcycle, personal medical beauty, small testing equipment, charging equipment, water and electricity meters, smart speakers with screens and other products.

Levetop Semiconductor announced an new controller - LT7689 that combines the Cortex-M4 MCU and the 2D TFT graphics display accelerator. It has high-capacity flash and SRAM, provides multi-group SCI interface s which can be connected to such as as Bluetooth modules, WiFi modules, etc. Also provided secondary development to meet more TFT panel applications. The LT7689 supports serial panel instructions include more than 70 commands such as picture display, GIF animation display, loop chart display, power-on image display, progress bar display, text string display, QR code generation, audio playback, and combined with touch panel to achieve touch function. With the serial TFT panel development software and simulation tool of Levetop, can quickly complete the small and medium-sized TFT display scheme.

Levetop Semiconductor introduces ARM 9 CPU architecture"s serial panel controller - LT3688. It integrates video decoding, audio decoders, TFT LCD controller, and embedded the serial panel communication protocols of Levetop. With the Serial Panel Development Software can quickly realize the product with TFT display function. Suitable for product applications that require video and MP3 playback . The MCU program supports the serial panel communication protocol of most Levetop, including picture display, picture roll, picture-in-picture (PIP), GIF animation display, geometry, vector text display, QR code generation, etc.

Levetop Semiconductor announces a new Serial-Uart TFT controller with the Cortex-M4 core - LT268B. It has high-speed computing power, with 256KB Flash, 128KB SRAM, built-in RTC, and QR-Code QR code generation. If use Levetop"s Serial-Uart development tools, the system MCU can easily pass the contents of the TFT Panel to the Panel driver (Driver) with simple instructions. The LT268B supports an MCU interface TFT Panel with a display resolution of 480 x 320 (HVGA) and provides an SPI or 8-bit MCU interface. Basically this controller meets many small MCU interfaces TFT panel"s application.

Levetop Semiconductor continues to innovate and meet customer needs! Recently we launched Serial-Uart TFT Panel simulator - UI_Emulator. As long as the "UartTFT_Flash.bin" file is designed through Levetop"s Graphic UI Editor(UI_Editor.exe) or the Graphic Integration Compiler(UartTFT_Tool.exe), this simulator can show the same effect once download "UartTFT_Flash.bin" file. That means can be displayed and actually programming to SPI in the UI_Emulator software has the same display effect. To achieve convenient debugging and avoid frequent burning "UartTFT_Flash.bin" file for debugging and waste time.

The LT7688 is an high-performance Uart TFT panel controller. It combines Levetop Semiconductor"s 32bit MCU and TFT Graphics Accelerator - the core architecture of the LT768. LT7688 provides Uart serial communication, allowing the main MCU show pictures on the panel through with simple instructions. Its internal hardware provides graphics acceleration, PIP (Picture-in-Picture), geometry drawing and other features that increase TFT display efficiency and reduce the time it takes for remote MCUs to process graphics display. The display resolutions ranging from 320 x 240 (QVGA) to 1280 x 1024 (SXGA), supporting 16/18bits of the RGB interface.

The LT268 is a Uart panel controller designed for small MCU type TFT panel. Its internal use of Levtop Semiconductor"s 32bit MCU core architecture. The main function is to provide Uart serial communication so that the main MCU can easily show the pictures on the TFT panel through with simple instructions. The LT268 internal hardware and programs provide graphics processing capabilities that increase TFT display efficiency and reduce the time it takes for remote MCUs to process graphics displays.

Levetop Semiconductor uses its own 32-bit MCU - LT32U02 launched Touch capacitive screen IIC interface convert to USB scheme. The existing general capacitive screen touch chip is the use of IIC interface, can not be directly used in Windows or Linux and other computer host systems. Through the LT32U02 of hardware and software can be achieved IIC interface convert into a driver-free USB interface, directly on the general computer using touch screen.

Based on LT678 TFT Graphics acceleration controller and regular MCU, LeveTop launched Industrial Serial Port TFT Panel solution. This solution includes our UI_Editor and UartTFT_Tool which 2 types of integrated develop software. It enables the TFT panel manufacturer, project developer and the customer of the system end in the TFT screen industry to plan the hardware specifications effectively, achieve their own products display on the TFT screen and avoid sophisticated program development that deals with TFT display. We also provide development board, allowing customers to picture, font, GIF animation, music files and other integrated Bin file through the burner burning into SPI Flash. And then by the user with USB-to-RS232 adapter, through our simulation communication software (Uart_Debug.exe) from the PC or Notebook to verify the display effect of the TFT screen for pre-validation. And confirm whether the design is wrong or need to be modified.

LeveTop launched bluetooth BLE integrated chip - LT5928. It is an integrated chip with low cost and low power consumption, assembled by LeveTop"s 32–bits MCU and 2.4GHz bluebooth wireless transceiver. It"s work frequency is up to 72MHz. Also, the chip owns High speed embedded memory, including 64KB Flash Memory 、8KB SRAM、1KB Cache Memory、Full Speed USB 2.0 interface. In addition, various standard communication interfaces are provided，including SPI、I2C、SCI、ADC、analog comparator interface and so on. With good transceiver performance and receiving sensitivity, its lowest operating voltage can be 2.2V. It suitable for a wide range of electronic products transmitted by 2.4G bluetooth, such as Remote control, bracelet, health management, sports management, bluetooth mouse and other personal devices.

LT32U02、LT32A02 are two types of 32–bits MCU with high efficiency and low unit price launched by LeveTop Semiconductor. It contains a 32-bits Reduced instruction（RISC）core of high performance. It"s work frequency is up to 72MHz, and has high speed embedded memory, including 64KB Flash Memory 、8KB SRAM、1KB Cache Memory、Full Speed USB 2.0 (LT32U02) Interface. In addition, various standard communication interfaces are provided，including two SPI、an I2C、a SCI、8 channels Pulse Width Modulation（PWM）with high resolution, an 8 channels 12–bits ADC, 2 channels analog comparator and various channels GPIO interfaces.

LT2305 is an analog front-end capacitive multi-touch screen control chip launched by LevaTop Semiconductor. It adopts LeveTop Semiconductor "s patented touch sensing technology -TPWS( Touch prediction and window sampling) ,which has 4 parallel capacitors to digital converters, series connecting with interface by SPI. The internal registers of LT2305 was set by MCU, and then connected by multiple chips in parallel. Meanwhile, LT2305 can be matched with Graphics acceleration chip - LT768x, as a single touch controller to simplify TFT module design.

LeveTop semiconductor launched LT7680 - a high efficient graphics acceleration display chip of the world"s smallest QFN package. The display resolution it supports can be from 320*240 （QVGA）to 800*600（SVGA). It supports high speed SPI and I2C serial interfaces. In order to achieve multi-layers high resolution display effect, it has 64Mb build-in display memory. It extremely suitable for embedded systems with TFT-LCD display, such as home appliances, industrial control, electronic instruments, medical equipment, man-machine interface, industrial equipment, testing equipment, charging pile, multi-functional transaction machine, elevator indicator, ticket gate indicator and so on.

LeveTop Semiconductor launched a series of high efficient TFT-LCD graphics acceleration display chips called LT768X. It providing performances such as graphics acceleration, PIP (Picture in Picture) , geometric graphics drawing and so on. LT768x not only improve the TFT display efficiency, but also greatly reduce the time required for the MCU to process graphics display.