4.3″ PCAP Touch Screen LCD GUI (Production Module) – UEZGUI-4088-43WQN-BA

4.3" PCAP Touch Screen LCD GUI (Production Module) – uEZGUI-4088-43WQN-BA. The microcontroller for this system is an NXP LPC4088 and it is optimal for math intensive applications.

Part #: µEZGUI-4088-43WQN-BA (Production Module)
MSRP (Qty Volume): <$175.00

Part #: UEZGUI-4088-43WQN (Dev Kit)
MSRP (Qty 1): $319.00

Status: In Production
Production guaranteed: Until 2030
Warranty: 1 Year (Extended available)

  • Microcontroller based intelligent HMI GUI
  • 4.3” TFT WQVGA 480 x 272 PCAP Touch Screen LCD Panel
  • µEZ® / FreeRTOS Rapid Software Development Platform
  • ARM Cortex-M4F 120MHz MCU with 512KB Internal Flash
  • 8MB SDRAM, 16MB SPIFI Flash
  • Expansion: UART, I²C, SPI, ADC, GPIO, USB Host/Device, RMII

>> See the brochure


The 4.3″ PCAP Touch Screen LCD GUI (Production Module) – uEZGUI-4088-43WQN-BA adds enhanced processing capabilities to FDI’s standalone microcontroller-based µEZ® GUI product family. Featuring the high performance NXP LPC4088 microcontroller with Floating Point Unit and high speed SPIFI Flash, this product is optimal for math intensive applications including graphics processing at high speeds. It is designed to be used as an “off-the-shelf” Graphical User Interface (GUI) or Human Machine Interface (HMI),  in a variety of end customer applications. The miniature, self-contained design is well suited to be embedded directly into your product and FDI offers prepackaged versions for stand-alone use.

FDI also offers low cost customization services for customer specific hardware, software or packaging applications at volumes of 500 units or more.

Quick Start Documentation
Quick Start Guide
μEZGUI Software
  • μEZ® / FreeRTOS Rapid Development Platform
  • MicroSD card appears as a USB Flash Drive to the PC
  • Rowley CrossWorks Compiler and Tool Suite
  • Segger J-Link Lite JTAG for programming and debug

MicrocontrollerNXP LPC4088
• Speed120MHz
• Internal SRAM96KB
• Internal Flash512KB
External Flash16MB
External Flash TypeSPIFI (4 Bit serial)
External Flash Optionalup to 64MB
SDRAM Standard8MB
SDRAM Optionalup to 32MB
128Mbit Serial PCM Memory, optionNot available
Non-volatile data storage standardInternal 4K EEPROM
Non-volatile data storage optionalNone
SD Card Bus interface4-Bit SD mode @ 15MHz
USBUSB Device Mini-AB for Host or Device Operation
Expansion - primary70 Fine Pitch I/O Connectors for External Expansion:Serial Ports, UART, I²C, SPI, USB Host/DeviceRMII interface for Ethernet 10/100
Expansion - additionalISP, UART, RTC External battery, PMOD type 2A
Accelerometer3 Axis
Temperature SensorYes
JTAGMini-JTAG Debug Connector
RTCInternal RTC, Supercap backup
AudioOn-board Speaker and headphone jack
Operating Temperature:-20° to 70° C
Storage Temperature:-30° to 80° C
Power InputUSB Device Mini-AB for power
Input Voltage:+5 Volt DC
Power Consumption:500 mA typ / 650mA max
Overall Size116.84 (W) x 72.14 (H) x 12.95 (D) mm
Mounting:#6 screws in 4 corners
Weight:110. grams (typ)
RoHS Compliant:Yes
Screen Size (diagonal)4.3 inches
Display TechnologyTFT-LCD
Resolution480 x 272 (WQVGA)
Brightness680 nits (typ)
Contrast Ratio500 : 1 (typ)
Aspect RatioWide 30:17
Colors:262K (18 bit)
Pixel Pitch0.198 (H) x 0.198 (V)
Vertical Viewing Angle:70/50° U/D
Horizontal Viewing Angle:70/70° L/R
Surface Finish:Matte
Touch Screen typeProjected Capacitive
Active Area:95.04 (W) x 53.86 (H) mm
Response Time:25ms Tr/Tf (typ)
Backlight:12 LEDs (6S x 2P)
Backlight Life:50K hours (typ)
Backlight Power Consumption:768 mW (typ)
Reverse Scan:None
Kit Available?Yes
Kit in a CaseYes
Current Documentation – Rev 2.0

UEZGUI-4088-43WQN Quick Start GuideQuick Start Guidepdf09/12/2016
Start Here Guide for UEZGUI-4088-43WQNStart Here Guidepdf08/31/2016
Users ManualUser's Manualpdf07/31/2017
Interactive Online uEZ GUI API Library (By Doxygen)Interactive Online uEZ GUI API Library (By Doxygen)Online03/29/2016
Schematic Rev 1.4Schematicpdf05/10/2017
ECO 17-035 uEZGUI-4088-43WQx_WQx-BA Rev 2p0Documentpdf11/27/201806/06/2017
PCN 20180208-01 UEZGUI-4088-43WQ# SeriesDocumentpdf02/08/201805/10/2017
Example Application IntegrationDocumentpdf01/30/2014
Converting Images from 24-bit to 16-bit for uEZ GUI
Software QuickStart GuideQuick Start Guidepdf09/15/2014
Software User's GuideUser's Guidepdf09/15/2014
2D Model for UEZGUI-4088-43WQNMechanical Modelspdf08/25/2015
3D & EASM Model Files (By Request Only)Mechanical Modelszip9/22/2015
JTAG Programming uEZ GUIsEngineering Guidepdf08/13/2015
Converting a PowerPoint Slideshow for use on uEZ GUI ProductsApplication Notezip10/19/2016
Expansion Board Design GuideApplication Notepdf11/03/2016
How to Create Videos for uEZ GUI
Engineering Guidezip02/22/2016

Historical Documentation

Schematic Rev 1.31
ECO 17-022 Rev 1.31
PCN 20170801-01 Rev 1.31
Schematic Rev 1.3Documentpdf04/07/2015
ECO 15-012 Rev 1.3Documentpdf03/31/2015
PCN 20150406-01 Rev 1.3Documentpdf03/31/2015
ECO 14-016 Rev 1.2Documentpdf07/23/2014
PCN 20140723-01 Rev 1.2Documentpdf07/23/2014
Schematic Rev 1.1Documentpdf06/12/2014
PCN 20140210-01 Rev 1.1Documentpdf02/10/2014
ECO 14-003 Rev 1.1Documentpdf02/10/2014
Schematic Rev 1.0Schematicpdf08/21/2013
µEZ Source FilesExecutableexe5/27/15
UEZGUI-4088-43WQN & 43WQH SD Card FilesSD card fileszip01/21/2016

FDI Software

μEZ® Source Files
μEZ® is an open source, embedded middleware platform providing underlying RTOS and processor abstraction features enhancing portability of application code to multiple ARM and Renesas platforms with high reusability.

FDI Bootloader
The μEZ+ Bootloader is perfect for upgrading your firmware in the field through mediums such as an SD card,USB flash drive, or even over a serial interface such as Ethernet or USB.

Recommended 3rd Party Software

Rowley CrossWorks Compiler and Tool Suite
Crossworks compiler for ARM.

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SAFERTOS is a safety certified Real Time Operating System (RTOS) for embedded processors. It delivers superior performance and pre-certified dependability, whilst utilizing minimal resources.

TouchGFX is a unique software framework that unlocks the graphical user interface (GUI) performance of your low-resource hardware. The revolutionizing technology breaks existing restraints, as it lets you create sophisticated GUIs that fully live up to today’s smartphone standards at a fraction of the cost.

emWin is designed to provide an efficient, processor- and LCD controller-independent graphical user interface (GUI) for any application that operates with a graphical LCD. It is compatible with single-task and multitask environments, with a proprietary operating system or with any commercial RTOS. emWin is shipped as “C” source code. It may be adapted to any size physical and virtual display with any LCD controller and CPU.

Micrium is a global RTOS leader and a top choice of embedded engineers building microprocessor, microcontroller, and DSP-based devices. Micrium’s commercial RTOS components such as the μC/OS product family are the preferred solution at thousands of companies around the globe. Offering unprecedented ease-of-use, μC/OS-III is delivered with complete 100% ANSI C source code and in-depth documentation. μC/OS-III runs on the largest number of processor architectures, with ports available for download from the Micrium Web site. µC/OS-III allows for unlimited tasks, semaphores, mutexes, event flags, message queues, timers and memory partitions. µC/OS-III provides features to allow stack growth of tasks to be monitored. µC/OS-III also supports an unlimited number of priority levels. µC/OS-III’s footprint can also be scaled to contain only the features required for a specific application.

Crank Software
Crank™ Software Inc. is an innovator in embedded user interface (UI) solutions. Compared to traditional electronic design automation tools, Crank’s products and services enable R&D teams to more quickly develop rich graphical displays—also called UIs or HMIs—for resource-constrained embedded devices. Applications include in-car graphical displays, animated GPS systems, and rich user interfaces on factory floors. Crank Software bridges the gap between UI design and embedded systems to deliver competitive advantage because streamlining the development lifecycle enables their customers to get products to market faster, with higher ROI and lower TCO, while delivering a superior customer experience. Crank Storyboard™ Designer enables user interface (UI) designers to easily prototype the look and feel of a product, and then deploy a production-ready interface directly to the embedded target. Designers maintain full control over the UI and user experience (UX) without having to perform a hand off to an embedded systems engineer for implementation.

J-Link Software Downloads
Various Various Download latest software and drivers from the Segger website.


J-Link Product Page
SEGGER J-Links are the most widely used line of debug probes available today. They’ve been proven for more than 10 years with over 250,000 units sold, including OEM versions and on-board solutions. This popularity stems from the unparalleled performance, extensive feature set, large number of supported CPUs, and compatibility with all popular development environments.

15FPS Video Demo
Demonstration of how uEZ Guy is able to provide fifteen frame per second video samples right on the device.

Gainspan WiFi PMOD demo
Demonstration of the additional WiFi capabilities of the μEZ GUI, shown by FDI Director Kent Lowman from the show floor of EE Live in San Jose, California.

FreeRTOS Slides
FreeRTOS Presentation formatted for this μEZGUI (zip)

SAFERTOS Presentation formatted for this μEZGUI (zip)


Once you’ve picked up your µEZ GUI, FDI is with you every step of the way. We offer support and documentation on our forums.

µEZ Software

Quick Start GUI Program
  • Customer Provides Menu Inputs
  • Photoshop, PowerPoint or even napkin drawings
  • Simple Menus and Functions usually less than 8 screens
  • 1-2 week turnaround for $5,000 or less
  • Customer starts API level application development immediately

Expansion Boards

Do not forget to look at our expansion boards
Adds: Ethernet, USB Host, RS232/RS485, AC Power