psoc 6 tft display supplier

The TFT Display Shield Board (CY8CKIT-028-TFT) has been designed such that a TFT display, audio devices, and sensors can interface with Infineon"s PSoC 6™ MCUs.

The TFT Display Shield Board is compatible with the PSoC 6™ WiFi-BT Pioneer Kit CY8CKIT-062-WiFi-BT and the PSoC 6™ BLE Pioneer Kit CY8CKIT-062-BLE. Refer to the respective kit guides for more details.

This example demonstrates displaying 2D graphics on a TFT display using the emWin graphics library and the AppWizard GUI design tool in FreeRTOS. The application initializes the system peripherals and creates a task that cycles through demo images in response to button presses.

This code example requires CY8CKIT-028-TFT; TFT display shield board. This shield comes with PSoC™ 6 Wi-Fi Bluetooth® pioneer kit. It can also be purchased standalone and used with other supported kits.

Note: The PSoC™ 6 Bluetooth® LE pioneer kit (CY8CKIT-062-BLE) and the PSoC™ 6 Wi-Fi Bluetooth® pioneer kit (CY8CKIT-062-WIFI-BT) ship with KitProg2 installed. The ModusToolbox™ software requires KitProg3. Before using this code example, make sure that the board is upgraded to KitProg3. The tool and instructions are available in the Firmware Loader GitHub repository. If you do not upgrade, you will see an error like "unable to find CMSIS-DAP device" or "KitProg firmware is out of date".

The following example clones the "mtb-example-psoc6-emwin-tft-freertos" application with the desired name "EmwinTftFreeRtos" configured for the CY8CKIT-062-WIFI-BT BSP into the specified working directory, C:/mtb_projects:

project-creator-cli --board-id CY8CKIT-062-WIFI-BT --app-id mtb-example-psoc6-emwin-tft-freertos --user-app-name EmwinTftFreeRtos --target-dir "C:/mtb_projects"

If using a PSoC™ 64 "Secure" MCU kit (for example, CY8CKIT-064B0S2-4343W, CY8CKIT-064S0S2-4343W), the PSoC™ 64 device must be provisioned with keys and policies before being programmed. Follow the instructions in the "Secure Boot" SDK user guide to provision the device. If the kit is already provisioned, copy-paste the keys and policy folder to the application folder.

Observe the startup screen with the Infineon logo on the display. Follow the instructions that come on the screen after two seconds. Press the user switch to move between pages when the user LED is OFF.

This project uses a CY8CKIT-028-TFT; TFT display shield together with a pioneer board. The TFT shield has a Newhaven 2.4″ 320×240 TFT display with a Sitronix ST7789 display controller and uses the 8080-series parallel interface.

emWin middleware documentation on GitHub for understanding the structure of the emWin package, supported drivers, and a quick start guide to create and run your first emWin project from scratch. The documentation page also contains configuration details on a wide variety of display drivers provided by emWin.

AppWizard project: The GUI that is displayed on the screen is designed using the AppWizard software. The code example includes the corresponding AppWizard project.

Major update to support ModusToolbox™ v3.0. This version is not backward compatible with previous versions of ModusToolbox. Migrated the CE to use the latest emWin version V1.30_6.26d

Cypress, the Cypress logo, and combinations thereof, WICED, ModusToolbox, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress or a subsidiary of Cypress in the United States or in other countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be claimed as property of their respective owners.

The Cypress PSoC 6 Wi-Fi-BT Pioneer Kit includes a PSoC 6 WiFi-BT Pioneer Board, TFT display shield, necessary jumper wires, and a USB cable. The Pioneer Board offers header footprints for compatibility with Arduino UNO shields and Digilent Pmod modules with operating voltages from 1.8V to 3.3V. The board also includes an onboard programmer and debugger with mass storage programming and custom applications support as well as 512 Mbits of NOR flash for expandable memory. The board"s five-segment slider, two buttons, and one proximity sensing header allow engineers to evaluate the latest generation of Cypress" CapSense capacitive-sensing technology. The Pioneer Kit"s TFT display shield includes a 2.4-inch module, six-axis motion sensor, ambient light sensor IC, and PDM microphone for voice input.

The Pioneer Board is based on a PSoC 62 microcontroller, coming soon to Mouser Electronics. The device delivers ultra-low-power performance with the critical security features required for IoT applications, integrating an Arm Cortex-M4 core and Arm Cortex-M0+ core, 1 MByte of flash, 288 Kbytes of SRAM, and 104 general-purpose inputs and outputs (GPIO). Additionally, the board features a USB Type-C power delivery system, plus a Murata LBEE5KL1DX module - based on a Cypress CYW4343W Wi-Fi and Bluetooth combo chip - for 2.4-GHz WLAN and Bluetooth functionalities.

The PSoC 6 microcontroller capitalises on Cypress" proprietary ultra-low-power 40-nm SONOS process technology, which enables industry-leading power consumption with 22uA/MHz and 15uA/MHz of active power on the Arm Cortex-M4 and Cortex-M0+ cores, respectively. The powerful microcontroller also features software-defined analogue and digital peripherals, multiple connectivity options and programmable analog-front-end (AFE) functions.

For more information about the PSoC 6 WiFi-BT Pioneer Kit, visit www.mouser.com/cypress-psoc6-wifi-bt-pioneer-kit. To learn more about the Cypress Semiconductor PSoC 6 microcontroller, go to www.mouser.com/cypress-psoc-6-soc.

Mouser Electronics, Inc., the industry"s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components, is now stocking the CY8CKIT-062-WiFi-BT PSoC® 6 Pioneer Kit from Cypress Semiconductor. Ideal for Internet of Things (IoT) applications and wearable devices, the PSoC 6 WiFi-BT Pioneer Kit enables the development of Wi-Fi applications using a high-performance Cypress PSoC 6 microcontroller.

The Cypress PSoC 6 Wi-Fi-BT Pioneer Kit, available from Mouser Electronics, includes a PSoC 6 WiFi-BT Pioneer Board, TFT display shield, necessary jumper wires, and a USB cable. The Pioneer Board offers header footprints for compatibility with Arduino UNO shields and Digilent® Pmod™ modules with operating voltages from 1.8V to 3.3V. The board also includes an onboard programmer and debugger with mass storage programming and custom applications support as well as 512 Mbits of NOR flash for expandable memory. The board’s five-segment slider, two buttons, and one proximity sensing header allow engineers to evaluate the latest generation of Cypress’ CapSense® capacitive-sensing technology. The Pioneer Kit’s TFT display shield includes a 2.4-inch module, six-axis motion sensor, ambient light sensor IC, and PDM microphone for voice input.

The Pioneer Board is based on a PSoC 62 microcontroller, coming soon to Mouser Electronics. The device delivers ultra-low-power performance with the critical security features required for IoT applications, integrating an Arm® Cortex®-M4 core and Arm Cortex-M0+ core, 1 MByte of flash, 288 Kbytes of SRAM, and 104 general-purpose inputs and outputs (GPIO). Additionally, the board features a USB Type-C power delivery system, plus a Murata LBEE5KL1DX module — based on a Cypress CYW4343W Wi-Fi and Bluetooth®combo chip — for 2.4-GHz WLAN and Bluetooth functionalities.

The PSoC 6 microcontroller capitalizes on Cypress’ proprietary ultra-low-power 40-nm SONOS process technology, which enables industry-leading power consumption with 22 µA/MHz and 15 µA/MHz of active power on the Arm Cortex-M4 and Cortex-M0+ cores, respectively. The powerful microcontroller also features software-defined analog and digital peripherals, multiple connectivity options and programmable analog-front-end (AFE) functions.

For more information about the PSoC 6 WiFi-BT Pioneer Kit, visit www.mouser.com/cypress-psoc6-wifi-bt-pioneer-kit.  To learn more about the Cypress Semiconductor PSoC 6 microcontroller, go to www.mouser.com/cypress-psoc-6-soc.

Additional datasheets, footprints and schematics for CY8CKIT-028-TFT are listed on our Part Details page. You can also find images and similar parts to CY8CKIT-028-TFT on this page.

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Clicker 2 for PSoC® 6 is a compact development kit with two mikroBUS™ sockets for click board connectivity, an ideal solution for rapid development of custom applications. It is equipped with the PSoC® 6, a dual-core 32-bit CY8C6347BZI-BLD53 Microcontroller Unit (MCU). This powerful device is a combination of ARM® Cortex™ based dual-core MCU with low-power flash technology and digital programmable logic, programmable analog resources, industry-leading CapSense® technology, and other standard communication and timing peripherals. One of the key features of this MCU is the support for the BLE 5 compliant wireless connectivity. Supported by the PSoC® Creator and equipped with the KitProg2 compatible onboard programmer, this board is the ultimate development platform for building portable and IoT applicationsin the entire range of Clicker 2 products.

Power Management. Clicker 2 for PSoC® 6 is equipped with the LTC3586, a high-efficiency USB power manager, and battery charger, featuring the proprietary PowerPath™ and Bat-Track™ technologies, from Linear Technology. The LTC3586 power manager takes care of all the power options of the Clicker 2 for PSoC® 6, providing stable and low ripple voltage outputs for all parts of the board while ensuring proper Li-Po battery charging conditions. The power manager IC allows charging of the Li-Po battery while the Clicker 2 for PSoC® 6 board is connected to the USB port of the computer.

Programming. The programming can be done using the PSoC Creator IDE or stand-alone PSoC Programmer software application. The onboard KitProg2 compatible programmer is automatically detected by the software when Clicker 2 for PSoC board is connected, with no additional configuration steps required. PSoC Creator IDE and PSoC Programmer software applications are available for download from the Infineon official download page, as well as from the download links, below

This article will take you through a high level overview of all of the parts of a TFT LCD display.  The vast majority of what I have read on the internet makes this whole issue massively complex.  I’m quite sure that this complexity problem is a real reflection of the serious design and manufacturing complexity in these displays and drivers.  That being said, to get a conceptual understanding is much simpler, and is the point of this article.

A significant amount of my learning about this subject came from a 195 page powerpoint presentation by Dr. Fang-Hsing Wang entitled “Flat Panel Display : Principle and Driving Circuit Design“.  He has graciously allowed me to reproduce a few of his images.  This dude knows way way more about these circuits than I do and I would encourage you to read his work.

The fundamental element in a TFT display is the liquid crystal.  These elements have the property that the crystals will align from horizontal (which blocks the light) to vertical (which lets most of the light through) based on the electric field applied to them.  Basically, you shine light through the liquid crystal, which blocks some or all of the light, the remainder of the white light then goes through a color filter to make red, green, or blue. It works like this:

This architecture means that every pixel in the display will require a red, green and blue element.  And, you will need to control the voltage on all of the elements (which will be quite a lot on a screen of any size)

What does the schematic for one element in a pixel look like?  And where is the T(transistor) in the TFT?  The three letter acronym TFT stands for a thin film transistor that is physically on the top of the LCD matrix right next to each liquid crystal element.  Here is a schematic model for one element in the array.  C-LC represents the capacitance of the liquid crystal.  CS is a storage capacitor that is used to hold the electric field across the liquid crystal when the transistor is OFF.   To apply a voltage across the LC you just turn on the gate and apply the correct voltage to the column commonly known as the source.

You should notice that the “back” terminal of the two capacitors is called “VCOM” and is physically on the other side of the liquid crystal matrix from the TFT.  All of the liquid crystal backsides in the display are connected to the same VCOM.  A bit of painfulness in this system is that the CS capacitor leaks, which means that the LCD changes state which means that each pixel must be updated, properly called refreshed, on a regular basis.

If you have been thinking about this system you might have done a little bit of math and figured out that you are going to need an absolute boatload of source and gate driver signals.  And you would be right!  For example, a 4.3″ screen with 480×272 will require 480x272x3 elements which are probably organized into 480 rows by 816 columns.  This would require a chip with at least 480+816=1296 pins, that is a lot.  It turns out that for small screens <=3.5″ there are chips with enough pins to do the job.  But, for larger screens, it requires multiple chips to do the job.  The “…” in the picture above shows the driver chips being cascaded.  The next thing to know is that “TFT Glass” usually has the driver chip(s) embedded into the screen at the edge (you can see that in the picture from Innolux above).

In its most basic form, the TFT source driver is responsible for taking an 8-bit digital input value representing the value of an individual LCD element and turning it into a voltage, the driving the voltage.  Like this:

What appears to happen in real life on bigger screens is some combination of column and row multiplexing.  In one display that I found there were 2x the number of rows which allows the columns to be multiplexed 2-1.  The display is 1024×600.  That requires 1024*3 RGBs in the column = 1536 pins.  This means that you need to double the number of gate drivers, resulting in 1200 pins in the row direction.  Here is a picture from their datasheet.

The last issue that I will address in TFT LCD drivers is called Gamma Correction or more simply Gamma.  Gamma is an intensity adjustment factor.  For any given digital intensity input, you will need a non-linear translation to a voltage output on the source.  For example a doubling of digital input (so that a pixel appears twice as bright) you will not double but instead will have some non-linear translation of the output voltage.

The good news is that this gamma correction is built into the display drivers.  From my reading, this is sometimes done with digital processing, and sometimes done with an analog circuit.  But in general, it appears to be tuned and programmed into the driver by the panel vendor for these smaller display.

In my RunMyApplication() function, I added these lines. To test the LED and the TFT display.cyhal_gpio_init(CYBSP_USER_LED5, CYHAL_GPIO_DIR_OUTPUT, CYHAL_GPIO_DRIVE_STRONG, CYBSP_LED_STATE_ON);

November 13, 2018 - Mouser Electronics, Inc., the authorized global distributor with the newest semiconductors and electronic components, is now stocking the PSoC® 6 microcontroller from Cypress Semiconductor. Bridging the gap between power-hungry application processors and low‑performance microcontrollers, the ultra‑low‑power PSoC 6 microcontroller delivers all-in-one high-performance processing and critical security features that are purpose-built for Internet of Things (IoT) applications.

The Cypress PSoC 6 microcontroller, available from Mouser Electronics, utilizes a dual-core architecture, with an Arm® Cortex®‑M4 for high‑performance tasks and an Arm Cortex‑M0+ for low-power tasks. Active power consumption is as low as 22 μA/MHz for the M4 core, and 15 μA/MHz for the M0+ core. The highly flexible PSoC 6 architecture enables the addition of features, such as USB, Bluetooth® low energy, and other software‑defined peripherals to create custom analog front ends (AFEs) and digital interface circuits that address the needs of those IoT designs requiring multiple connectivity options.

For IoT security, PSoC 6 integrates a hardware-based Trusted Execution Environment with secure boot capability and integrated secure data storage to protect firmware, applications and secure assets such as cryptographic keys. The device also implements industry-standard symmetric and asymmetric cryptographic algorithms which include elliptical-curve cryptography, Advanced Encryption Standard (AES), and secure hash algorithms (SHA 1,2,3).

Mouser is also stocking the PSoC® 6 WiFi-BT Pioneer Kit, which provides a PSoC 6 WiFi-BT Pioneer Board, TFT display shield, necessary jumper wires, and a USB cable for evaluation and development. The Pioneer Board offers header footprints for compatibility with Arduino Uno shields and Digilent® Pmod™ modules, plus a five-segment slider, two buttons, and one proximity-sensing header that allow engineers to evaluate Cypress" CapSense® capacitive touch-sensing technology. The TFT display shield board includes a 2.4-inch display, six-axis motion sensor, ambient light sensor IC, and PDM microphone for voice input.

Mouser Electronics, a Berkshire Hathaway company, is an award-winning, authorized semiconductor and electronic component distributor focused on rapid New Product Introductions from its manufacturing partners for electronic design engineers and buyers. The global distributor"s website, Mouser.com, is available in multiple languages and currencies and features more than 5 million products from over 750 manufacturers. Mouser offers 23 support locations around the world to provide best-in-class customer service and ships globally to over 600,000 customers in more than 220 countries/territories from its 750,000 sq. ft. state-of-the-art facility south of Dallas, Texas. For more information, visit www.mouser.com.