tft display arduino due price

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Spice up your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection. This TFT display is big (5" diagonal) bright (12 white-LED backlight) and colorful 480x272 pixels with individual pixel control. As a bonus, this display has a capacitive touch panel attached on screen by default.

The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply plug it in and load up our library - you"ll have it running in under 10 minutes! Works best with any classic Arduino Mega 2560.

This display shield has a controller built into it with RAM buffering, so that almost no work is done by the microcontroller. You can connect more sensors, buttons and LEDs.

Of course, we wouldn"t just leave you with a datasheet and a "good luck!" - we"ve written a full open source graphics library at the bottom of this page that can draw pixels, lines, rectangles, circles and text. We also have a touch screen library that detects x,y and z (pressure) and example code to demonstrate all of it. The code is written for Arduino but can be easily ported to your favorite microcontroller!

If you"ve had a lot of Arduino DUEs go through your hands (or if you are just unlucky), chances are you’ve come across at least one that does not start-up properly.The symptom is simple: you power up the Arduino but it doesn’t appear to “boot”. Your code simply doesn"t start running.You might have noticed that resetting the board (by pressing the reset button) causes the board to start-up normally.The fix is simple,here is the solution.

※Controller IC Replacement NoticeDue to the global shortage of IC, the controller RA8876 used in this module has been difficult to purchase. In order not to affect the delivery, we will use the controller LT7683 as replacement which is fully compatible with the same stable performance when the RA8876 is out of stock. (Oct-28-2021)

Spice up your Arduino project with a beautiful large display shield with built in microSD card connection. This TFT display is big (10.1" diagonal) bright (24 white-LED backlight) and colorful (18-bit 262,000 different shades)! 1024x600 pixels with individual pixel control,optional 10.1 inch capacitive touch panel.

The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply plug it in and load up our library - you"ll have it running in under 10 minutes! Works best with any Arduino Due board.

This display shield has a controller built into it with RAM buffering, so that almost no work is done by the microcontroller. You can connect more sensors, buttons and LEDs.

Of course, we wouldn"t just leave you with a datasheet and a "good luck!" - we"ve written a full open source graphics library at the bottom of this page that can draw pixels, lines, rectangles, circles and text. The code is written for Arduino but can be easily ported to your favorite microcontroller!

If you"ve had a lot of Arduino DUEs go through your hands (or if you are just unlucky), chances are you’ve come across at least one that does not start-up properly.The symptom is simple: you power up the Arduino but it doesn’t appear to “boot”. Your code simply doesn"t start running.You might have noticed that resetting the board (by pressing the reset button) causes the board to start-up normally.The fix is simple,here is the solution.

I have posted a brand new TFT_HX8357_Due library for the Due on my GitHub repository. The display supported by the library is 16 bit with 480 x 320 pixels and is available at low cost from a number of sources for example from Banggood:

Performance is quite good (320x240 UTFT demo completes in less than 1.4s) despite the fact that the 16 bit bus to the TFT is mapped to 4 different ports and pretty random processor register bits, so a lot of register bit juggling has to be performed that wastes time.

The arduino due is an excellent board, however very few libraries are really optimized to get the best out of it. The best SPI display would be the 3.2" ILI9341 using the ILI9341_due library.

Larger displays require extra power to properly handle the backlight. This aspect is vital to ensure the stability of the TFT on the arduino due. Another aspect is the accessibility to the pins of the MCU to connect other devices. The shield_TFT covers all and limits their use.

It is 100% compatible with the normal MCU like ARM AVR PIC and 8051,especially on Arduino family such as Arduino Due and Arduino MEGA2560(R3).The module uses the LCD controller Chip SSD1963 with 7 inch LCD including the touchscreen.

LCD-specificed intialization code is provided, so that you can save time to optimize power control register and gamma curves for best display performance. We have test the provided code, it gives the best display performanace

This shiled is just for 7 inch TFT LCD.If you need the LCD Extend shield for 3.2"" or 5"", you may foudn a similar shield which is also provided from our store.

No! For about the price of a familiar 2x16 LCD, you get a high resolution TFT display. For as low as $4 (shipping included!), it"s possible to buy a small, sharp TFT screen that can be interfaced with an Arduino. Moreover, it can display not just text, but elaborate graphics. These have been manufactured in the tens of millions for cell phones and other gadgets and devices, and that is the reason they are so cheap now. This makes it feasible to reuse them to give our electronic projects colorful graphic displays.

There are quite a number of small cheap TFT displays available on eBay and elsewhere. But, how is it possible to determine which ones will work with an Arduino? And what then? Here is the procedure:ID the display. With luck, it will have identifying information printed on it. Otherwise, it may involve matching its appearance with a picture on Google images. Determine the display"s resolution and the driver chip.

Find out whether there is an Arduino driver available. Google is your friend here. Henning Karlsen"s UTFT library works with many displays. (http://www.rinkydinkelectronics.com/library.php?i...)

Download and install the driver library. On a Linux machine, as root, copy the library archive file to the /usr/share/arduino/libraries directory and untar or unzip it.

Load an example sketch into the Arduino IDE, and then upload it to the attached Arduino board with wired-up TFT display. With luck, you will see text and/or graphics.

We"ll begin with a simple one. The ILI9163 display has a resolution of 128 x 128 pixels. With 8 pins in a single row, it works fine with a standard Arduino UNO or with a Mega. The hardware hookup is simple -- only 8 connections total! The library put together by a smart fella, by the name of sumotoy, makes it possible to display text in multiple colors and to draw lines.

Note that these come in two varieties, red and black. The red ones may need a bit of tweaking to format the display correctly -- see the comments in the README.md file. The TFT_ILI9163C.h file might need to be edited.

It is 5-volt friendly, since there is a 74HC450 IC on the circuit board that functions as a level shifter. These can be obtained for just a few bucks on eBay and elsewhere, for example -- $3.56 delivered from China. It uses Henning Karlsen"s UTFT library, and it does a fine job with text and graphics. Note that due to the memory requirement of UTFT, this display will work with a standard UNO only with extensive tweaking -- it would be necessary to delete pretty much all the graphics in the sketch, and just stay with text.

on the far side of the display. It has 220x176 resolution (hires!) and will accept either 3.3 or 5 volts. It will work hooked up to an Uno, and with a few pin changes, also with a Mega. The 11-pin row is for activating the display itself, and the 5-pin row for the SD socket on its back.

This one is a 2.2" (diagonal) display with 176x220 resolution and parallel interface. It has a standard ("Intel 8080") parallel interface, and works in both 8-bit and 16-bit modes. It uses the S6D0164 driver in Henning Karlsen"s UTFT library, and because of the memory requirements of same, works only with an Arduino Mega or Due. It has an SD card slot on its back

This one is a bit of an oddball. It"s a clone of the more common HY-TFT240, and it has two rows of pins, set at right angles to one another. To enable the display in 8-bit mode, only the row of pins along the narrow edge is used. The other row is for the SD card socket on the back, and for 16-bit mode. To interface with an Arduino ( Mega or Due), it uses Henning Karlsen"s UTFT library, and the driver is ILI9325C. Its resolution is 320x240 (hires!) and it incorporates both a touch screen and an SD card slot.

Having determined that a particular TFT display will work with the Arduino, it"s time to think about a more permanent solution -- constructing hard-wired and soldered plug-in boards. To make things easier, start with a blank protoshield as a base, and add sockets for the TFT displays to plug into. Each socket row will have a corresponding row next to it, with each individual hole "twinned" to the adjacent hole in the adjoining row by solder bridges, making them accessible to jumpers to connect to appropriate Arduino pins. An alternative is hard-wiring the socket pins to the Arduino pins, which is neater but limits the versatility of the board.

In step 5, you mention that the TFT01 display can"t be used with the UTFT library on an Arduino Uno because of its memory requirements. It can - all you have to do is edit memorysaver.h and disable any display models you"re not using.

I think you should add a disclaimer that the code might make the Arduino Uno unprogrammable afterward (due to use up the two 0 and 1 pin) and link to how to fix it: https://stackoverflow.com/questions/5290428/how-to-reset-an-arduino-board/8453576?sfb=2#84535760

Not at all - it was your Instructable that got me going with the display to begin with! We all build off each other"s work, to the benefit of everyone.0

Tho I realize this is quickly becoming legacy hardware, these 8,16 bit parallel spi with 4 wire controller 3.2in Taft touch display 240x380. It has become very inexpensive with ally of back stock world wide so incorporating them into any project is easier then ever. Sorry to my question. I’m having difficulty finding wiring solution for this lcd. It is a sd1289 3.3 and 5v ,40 pin parallel 8,16 bit. I do not want to use a extra shield,hat or cape or adapter. But there’s a lot of conflicting info about required lvl shifters for this model any help or links to info would be great .. thank you. I hope I gave enough information to understand what I’m adoing

#1 you need a data sheet for the display and pinout and the i/o board attached to the cable.Than before you buy check for a driver for this chip Raydium/RM69071.if no driver lib are you able to write one and do you have the necessary tools to work on this scale to wire it up ..if you answer no than search for an arduino ready product.WCH0

hooking up and adding a lib is no piece of cake insure the screen you buy is arduino ready and sold by a reputable shop with step by step directions...WCH0

I"m sorry that I can"t help you with this. You"ll have to do your own research. See if you can identify the chipset and find out if there"s an Arduino driver for it.0

Thanks for the wealth of knowledge! It is amazing at what is possible with items the average person can easily acquire. I hope to put some of your tips to use this winter as I would like to build sensors and other items for home automation and monitoring. Being able to have small displays around the house in addition to gathering and controlling things remotely will help the family see room conditions without going to the computer. The idea of a touchscreen control for cheap is mind blowing.

Quite satisfied with the results of initial "experiments" with the Arduino Due, I decided to spruce it up a bit. I outfitted the Due with some sensors and a touch display with a SD card.

I configured the board for 16bit operation by moving R4 to R5 position.(Faster) This PCB uses LS245 octal transceivers as buffers to the internal 3.3v logic, because the Due is a 3.3V device, it will have no problem driving the octal transceivers. Next I constructed a shield to accommodate a few sensors and to re-route the Due"s SPI bus to match the display. (NOTE: this will normally plug directly into the Mega 2560 where the SPI is on the 36-pin header, on the Due those pins are just digital I/O).

We know that we could find many examples for Arduino and TFT LCD to work together, Arduino UNO with 2.8"/3.2" TFT screen, or Arduino Mega with 2.8"/5.0" TFT screen. They are all working very well. However, if you play with it, you may find they are rather blunt, not swift enough to show a picture quickly. In fact, we"ve made some TFT shields for Arduino Uno/Mega ever. But we feel they are all not good enough.

Why ? You know, Arduino UNO/Mega works on 8-bit ATMega328/1280/2560. Those chips are not powerful enough for TFT screen. While Arduino Due comes, we feel that: oh, it is the time !

Arduino Due is based on 32-bit ARM processor, and it is much more powerful than Arduino UNO/Mega. So if you play Arduino DUE and TFT, you feel everything abviously runs faster than Arduino Mega. You could display a picture shortly.

Our shield is designed for Arduino DUE. It is not compatible with Arduino Mega/Mega2560. Please DO NOT insert it to Arduino Mega/Mega2560. Otherwise the TFT Screen might be damaged.

Our TFT shield doesn"t cover all the female pins like most of other TFT shield. We know that sometimes we need other modules connected with Arduino at the same time. To make things easier, our designing also leaves space for a Sensor Shield. Users don"t need to spend much time on wiring.

Displays are one of the best ways to provide feedback to users of a particular device or project and often the bigger the display, the better. For today’s tutorial, we will look on how to use the relatively big, low cost, ILI9481 based, 3.5″ Color TFT display with Arduino.

This 3.5″ color TFT display as mentioned above, is based on the ILI9481 TFT display driver. The module offers a resolution of 480×320 pixels and comes with an SD card slot through which an SD card loaded with graphics and UI can be attached to the display. The module is also pre-soldered with pins for easy mount (like a shield) on either of the Arduino Mega and Uno, which is nice since there are not many big TFT displays that work with the Arduino Uno.

The module is compatible with either of the Arduino Uno or the Arduino Mega, so feel free to choose between them or test with both. As usual, these components can be bought via the links attached to them.

One of the good things about this module is the ease with which it can be connected to either of the Arduino Mega or Uno. For this tutorial, we will use the Arduino Uno, since the module comes as a shield with pins soldered to match the Uno’s pinout. All we need to do is snap it onto the top of the Arduino Uno as shown in the image below, thus no wiring required.

This ease of using the module mentioned above is, however, one of the few downsides of the display. If we do not use the attached SD card slot, we will be left with 6 digital and one analog pin as the module use the majority of the Arduino pins. When we use the SD card part of the display, we will be left with just 2 digital and one analog pin which at times limits the kind of project in which we can use this display. This is one of the reasons while the compatibility of this display with the Arduino Mega is such a good news, as the “Mega” offers more digital and analog pins to work with, so when you need extra pins, and size is not an issue, use the Mega.

To easily write code to use this display, we will use the GFX and TFT LCD libraries from “Adafruit” which can be downloaded here. With the library installed we can easily navigate through the examples that come with it and upload them to our setup to see the display in action. By studying these examples, one could easily learn how to use this display. However, I have compiled some of the most important functions for the display of text and graphics into an Arduino sketch for the sake of this tutorial. The complete sketch is attached in a zip file under the download section of this tutorial.

As usual, we will do a quick run through of the code and we start by including the libraries which we will use for the project, in this case, the Adafruit GFX and TFT LCD libraries.

With this done, the Void Setup() function is next. We start the function by issuing atft.reset() command to reset the LCD to default configurations. Next, we specify the type of the LCD we are using via the LCD.begin function and set the rotation of the TFT as desired. We proceed to fill the screen with different colors and display different kind of text using diverse color (via the tft.SetTextColor() function) and font size (via the tft.setTextSize() function).

Next is the void loop() function. Here we basically create a UI to display the youtube subscribe button, using some of the same functions we used under the void setup() function.

The Adafruit library helps reduce the amount of work one needs to do while developing the code for this display, leaving the quality of the user interface to the limitations of the creativity and imagination of the person writing the code.

5"TFT Display Arduino Due Mega UNO LCD Shield w/Capacitive Touch Screen 800X480. Spice up your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection. As a bonus, this display has a capacitive touch panel attached on screen by default. Description Spice up your Arduino project with a beautiful large touchscreen display shield with built in microSD card connection. This TFT display is big (5" diagonal) bright (18 white-LED backlight) and colorful 800x480 pixels with individual pixel control. As a bonus, this display has a capacitive touch panel attached on screen by default. The shield is fully assembled, tested and ready to go. No wiring, no soldering! Simply plug it in and load up our library - you"ll have it running in under 10 minutes! Works best with any classic Arduino Mega2560 or Due. This display shield has a controller built into it with RAM buffering, so that almost no work is done by the microcontroller. You can connect more sensors, buttons and LEDs. Of course, we wouldn"t just leave you with a datasheet and a "good luck!" - we"ve written a full open source graphics library at the bottom of this page that can draw pixels, lines, rectangles, circles and text. We also have a touch screen library that detects x,y and z (pressure) and example code to demonstrate all of it. The code is written for Arduino but can be easily ported to your favorite microcontroller! For people who want the same screen but not in a shield, check out our 5" TFT capacitive touch breakout . Bulk Order Page for 10pcs or more What"s included in the package ↓ Num Standard Accessory Name Qty 1 5" TFT Display with Controller Board and Capacitive Touch Panel 1 2 Arduino Shield 1 *The default power supply is 5V and the default interface is 4-wire serial interface. Compatible with Following Arduino Boards ↓ Board Name MCU I/O Arduino MEGA2560 ATMEGA2560 54 Arduino Due AT91SAM3X8EA 54 Attention If you"ve had a lot of Arduino DUEs go through your hands (or if you are just unlucky), chances are you’ve come across at least one that does not start-up properly.The symptom is simple: you power up the Arduino but it doesn’t appear to “boot”. Your code simply doesn"t start running.You might have noticed that resetting the board (by pressing the reset button) causes the board to start-up normally.The fix is simple,here is the slolution Ebay doesn"t allow listings to contain external links,so the documents link may be invalid. Please copy the below entire link to your browser for checking our documents(at the bottom of the page) or for bulk order. https://www.buydisplay.com/default/5-inch-tft-display-arduino-due-lcd-shield-w-capacitive-touch-screen-800x480 Datasheet for TFT LCD Module,Controller ↓ Format Documents Name (Downloadable) Version Language Update Date Size 5"800x480 Dots TFT LCD w/Controller Board Datasheet 1.1 English Jul-4-2015 1.01M Controller IC RA8875 Datasheet 1.0 English Jul-31-2013 4.3M Datasheet and Schematic for Arduino Shield ↓ Format Documents Name (Downloadable) Version Language Update Date Size ER-AS-RA8875 Datasheet 1.0 English Mar-08-2016 767K ER-AS-RA8875 Arduino Schematic Diagram 1.0 English Jun-24-2015 195K Tutorial - Arduino Due (MEGA 2560)Libraries,Examples ↓ Format Documents Name (Downloadable) Version Language Update Date Size Libraries+Examples for 4-wire SPI 5"Capacitive Touch Shield 1.0 English May-22-2018 22.2K Specification About Us We"re China-based global display manufacturer named EastRising Technology Co.,Ltd. that has a worldwide business in design, produce and sell various displays for small to large companies since 2003. Our web site is [link removed by eBay] . Link for video and image of our production line and equipment. RoHS reports for all material we used on display module. Long Term Continuity Supply Warranty We promise the long terms continuity supply and would never end.Some controller IC may stop the production,we"ll try our efforts to find the completely compatible ones.If the equivalent is unavailable, we¡¯ll make the new tooling and use the most similar IC as replacement.So you don"t have to worry even your research time is very long. Shipping Policy All products will be checked carefully and packed in good condition before shipping.We e-mail all customers with tracking information immediately after the shipment for status tracking. Item will be shipped within 1 business day after the payment has been received. Customs fees and import duties for exports are buyer"s responsibility. Warranty All products are covered under our limited warranty, which provides all products are free of functional defects for a period of one year from the date of receipt and all products are free of visual defects and missing parts for a period of 30 days from the date of receipt.If a product was damaged during shipping or the order is incorrect,you must notify us within 2 days of receipt. How to return a product First request an RMA number from our sales with the information:part number,reason for return,order number. Our sales will then either issue an RMA number, ask you for more information, or offer to help you resolve a technical problem so that the product does not need to be returned. Products must arrive here in the same condition as when you received them. You are responsible for return shipping and insurance.Please make sure your RMA number is on the shipping label and on any documents you include with the product. After we receive the product, we inspect it to determine the cause of any defect, then update by email with our findings. This process usually takes five business days. Gross Weight (kg)0.2020 ManufacturerEastRising Continuity SupplyWe promise the long term continuity supply for this product no less than 10 years since 2018. Part NumberER-TFTM050A2-3-3686-4125 Display Format800x480 Dots Interface6800 8-bit Parallel , 8080 8-bit Parallel , 6800 16-bit Parallel , 8080 16-bit Parallel , I2C, 3-Wire Serial SPI, 4-Wire Serial SPI IC or EquivalentRA8875 AppearanceRGB on Black Diagonal Size5.0“ ConnectionPin Header, FFC-Connector Outline Dimension132.70W)x75.80(H)mm Visual Area110.80x67.55mm Active Area108.00(W)x64.80(H)mm Character SizeNo Dot (Pixel) SizeNo Dot (Pixel) Pitch0.135(W)x0.135(H)mm IC PackageSMT Display TypeTFT-LCD Color Touch Panel OptionalYes Sunlight ReadableNo Response Time(Typ)12ms Contrast Ratio(Typ)500:1 Colors256/65K Viewing DirectionNo Viewing Angle RangeLeft:75.0 , Right:75.0 , Up:75.0 , Down:60.0 degree Brightness(Typ)300cd/m2 Backlight ColorWhite Color Backlight Current (Typ)No Power Supply(Typ)5V Supply Current for LCM(Max)280mA (Vdd=5V) Operating Temperature-20℃~70℃ Storage Temperature-30℃~80℃ Series NumberER-TFT050-3

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.

In order the code to work and compile you will have to include an addition “.c” file in the same directory with the Arduino sketch. This file is for the third game example and it’s a bitmap of the bird. For more details how this part of the code work  you can check my particular tutorial. Here you can download that file:

In this guide we’re going to show you how you can use the 1.8 TFT display with the Arduino. You’ll learn how to wire the display, write text, draw shapes and display images on the screen.

The 1.8 TFT is a colorful display with 128 x 160 color pixels. The display can load images from an SD card – it has an SD card slot at the back. The following figure shows the screen front and back view.

This module uses SPI communication – see the wiring below . To control the display we’ll use the TFT library, which is already included with Arduino IDE 1.0.5 and later.

The TFT display communicates with the Arduino via SPI communication, so you need to include the SPI library on your code. We also use the TFT library to write and draw on the display.

In which “Hello, World!” is the text you want to display and the (x, y) coordinate is the location where you want to start display text on the screen.

The 1.8 TFT display can load images from the SD card. To read from the SD card you use the SD library, already included in the Arduino IDE software. Follow the next steps to display an image on the display:

Note: some people find issues with this display when trying to read from the SD card. We don’t know why that happens. In fact, we tested a couple of times and it worked well, and then, when we were about to record to show you the final result, the display didn’t recognized the SD card anymore – we’re not sure if it’s a problem with the SD card holder that doesn’t establish a proper connection with the SD card. However, we are sure these instructions work, because we’ve tested them.

In this guide we’ve shown you how to use the 1.8 TFT display with the Arduino: display text, draw shapes and display images. You can easily add a nice visual interface to your projects using this display.

This is a 3.5-inch 320 * 480 resolution TFT color screen. It supports working boards such as Arduino uno and Arduino mega2560 and Arduino due. Also supports STM32, 51 and other conventional microcontrollers.

When using this screen, you do not need any wiring operations, just plug onto your arduino board, we will provide the corresponding Arduino library files, the development code is open source, you can use arduino and this screen to build some applications.The backlight always on, can not control the backlight, backlight is connect to 3.3V.

The purpose of this application note is to review the RGB interface and discuss any requirements necessary for communicating with the microcontroller through this interface. The display communicates with the microcontroller over 45 pins through an RGB interface. An additional graphics controller is required to use this interface. The graphics controller chosen for this application is the SSD1963 LCD Controller Graphics card.

The display featured in this application note is a transmissive, 5.0” (67.56mmx122.35mm), portrait mode TFT display. The part number for this display is E50RG84885LWAM520-CA. This display has a built in controller IC ILI9806E. This display also has a capacitive touch feature. Features of this display are listed below.

The display used in this application has an internal built-in display controller IC ILI9806E. This controller IC does not contain internal RAM and therefore an additional graphics controller SSD1963 is required to provide the RAM that supports the RGB interface. The ILI9806E controller IC that is built into the display provides the 3-wire serial interface to input the initialization commands for the RGB interface.

Once the initialization commands are sent via the 3-wire serial interface, the graphic controller will be used to send the RGB commands to the display. The SSD1963 graphics controller chip is used to communicate to the RGB interface on the display. The graphics controller provides the SRAM required to drive the display. This controller provides a 1215kB frame buffer to support the 24-bit graphics data to the display.

The graphics controller would not be required if the internal IC embedded in the display contains internal RAM. The specification sheet for the embedded display controller IC should be used to verify this information. The graphics controller chip is accessed after the SPI initialization of the display. The graphics controller chip communicates with the microcontroller through a 16-bit parallel 8080 MCU interface.

The microcontroller in this application is a 32-bit ARM core processor. This device communicates with the display over the serial interface to send the SPI initialization commands. Once completed, the microcontroller will then communicate to the graphics controller through an 8-bit parallel initialization command and then 16-bit graphical data commands and functions.

A review of the connection ports and pins between each device will be specified in this section. Starting with the display and the connections with the graphics controller as well as the microcontroller. The display’s 3 wire serial pins can be directly connected to the microcontroller. The RGB interface pins will be connected to the graphics controller. Below is a description of the pin connections on the display.

The next hardware connection that will be reviewed is between the graphics controller chip and the microcontroller. The two devices are connected through a 16-bit 8080 parallel interface. The graphics controller will receive initialization commands from the microcontroller specifying its own requirements as well as commands that will be sent to the display over the RGB interface. The parallel connection between the microcontroller and the graphics controller are as follows.

The microcontroller provides the logic voltage and logic ground for both the display and the graphics controller. There are two reset pins total, one connected to the display and one for the graphics controller. It is important to only use the reset pin for the SPI initialization and set the graphics controller reset to 3.3V. If the graphics controller reset pin is toggled, the SPI initialization commands stored on the display will be reset as well.

The Arduino Due is connected to both the display and the graphics controller. First the microcontroller sends the SPI initialization commands to the display’s embedded controller IC. Next it will communicate with the graphics controller over an 8-bit 8080 parallel interface to initialize the 16-bit parallel interface parameters. Once both devices are initialized, further commands can be sent through the graphics controller to the display to create an image.

The initialization commands required for the display and graphics controller to start will be reviewed in this section. The microcontroller will need to send two sets of initialization code over each interface. The pins will need to be calibrated to each of their specified interfaces, SPI and 8080 Parallel interfaces. The first set of initialization commands are sent to the display’s SPI pins. This code will define the RGB interface parameters required to use this interface.

This code defines the RGB interface timing characteristics, the resolution of the display, the voltage settings and much more. The initialization commands and data specific to the display can be found in the data sheet of the embedded IC controller ILI9806E. Review the specification sheet for this controller for details on the commands and functions of this code.

The initialization code for the graphics controller is sent over a parallel 8080 interface. The sequence of commands is to first initialize the graphics controller and specify the display parameters, followed by the code that will be sent over the 16 data buses. The initialization commands for the graphics controller SSD1963 are detailed in the controller’s specification sheet. The code used to initialize the graphics controller can be found here.

The initialization code for the graphics controller defines the parameters of the display and the required timing characteristics. The specifications and timing definitions can be found in the spec sheet of the display. The commands that are sent in this section lets the graphics controller know the details specific to the display that we are using in this example. The data is sent over the 8080-parallel interface to the graphics controller. Below is the timing diagram of this parallel interface.

After the initialization commands for both the display and the graphics controller are sent, the display is now ready for communication. The graphical data or images will be sent to the graphics controller’s RAM to be accessed by the display via the RGB interface. Communication to the display is fast and efficient for transmitting images that are to be displayed. For this example, an application was written to display bitmaps on the screen. Below is the output of this example.