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LCD TFT Module w/ Touchscreen, 3.2", 240x320, 4DGL/Serial US$79.00

uLCD-32PTU
LCD TFT Module w/ Touchscreen, 3.2\", 240x320, 4DGL/Serial


The µLCD-32PTU is a compact and cost-effective intelligent display module packed with plenty of features, ready to be the GUI or interface controller for your target application. An extensive range of hardware and software peripherals are integrated into the design so you have freedom to adapt the module to suit your application.

The module consists of a 3.2-inch (240×320) LCD screen, an audio amplifier with speaker, a microSD card connector, lithium-polymer battery connector, and a group of GPIO including I2C and serial comms.

The PICASO processor on this module is driven by a highly optimized virtual core engine — the Extensible Virtual Engine (EVE). EVE is a high-performance virtual processor with an extensive byte-code instruction set optimized to execute compiled programs written in the 4D Graphics Language (4DGL).

4DGL is a graphics-oriented language allowing you to write applications in high-level code with syntax similar to popular languages such as BASIC, C and Pascal. The 4DGL-Workshop4 IDE (editor, compiler and downloader) also features the ViSi-Genie, a drag-and-drop graphical interface that will create 4DGL code for you — all you need to do is place pre-made objects onto a simulated image of the display, size and set parameters to your liking, then a single click will generate the 4DGL code to make that object functional.

Using the Workshop IDE, the module also can be loaded with a Serial Application that transforms it into a Serial Slave to virtually any serial host.

The PICASO processor on the display module also can be re-programmed with different ‘Personality Module Micro-Code’ (PmmC) files for updates and future proofing. The processes of converting to a serial slave, updating the PmmC firmware, or downloading your 4DGL program code all require connection of a USB converter that uses the DTR signal to pulse the Reset line on the processor. Two USB-to-Serial converters that can plug directly into this module are available from the Optional Recommended Products list below.

TFT LCD Graphical Touchscreen Module Features

  • Low-cost LCD-TFT display graphics user interface solution
  • 240 × 320 resolution, 65K colors, TFT screen with integrated 4-wire resistive touch panel
  • Module dimensions: 56.32 × 92.19 × 15.9 mm (including corner mounting plates)
  • Active Display Area: 48.6 × 64.8 mm
  • Weighs about 50 grams
  • Easy 5-pin interface to any host device: VCC, TX, RX, GND, Reset
  • Powered by the 4D-Labs PICASO graphics processor highly optimized for 4DGL, the high-level 4D Graphics Language
  • 14K bytes of Flash memory for user code storage and 14K bytes of SRAM for user variables or 14KB shared user code and program variables
  • Two asynchronous hardware serial ports (COM0, COM1), TTL interface, 300 baud to 600K baud
  • I2C interface (Master)
  • Eight 16-bit timers with 1ms resolution
  • 13 GPIO pins — supports fast 8-bit parallel data transfer through upper eight bits
  • On-board microSD memory card adapter for multimedia storage and data logging purposes. Supports 64MB to 2Gig microSD memory cards as well as microSDHC memory cards starting from 4GB and above
  • DOS-compatible file access (FAT16) as well as low-level access to card memory
  • Lithium-polymer battery support, with built-in charger and automatic change-over
  • Dedicated PWM audio pin driven by WAV files from microSD card
  • On-board audio amplifier with tiny 8Ω speaker for sound generation and WAV file playback
  • Comprehensive set of built-in high-level graphics functions and algorithms that can draw lines, circles, text, and much more
  • Display full-color images, animations, icons and video clips
  • Supports all available Windows fonts and characters (imported as external fonts)
  • 4.0V to 5.5V range operation (single supply)
  • Four corner plates with 2.7mm holes for mounting

Four different usage methods

The 4D Systems Workshop 4 IDE supports multiple development environments, to cater for different user requirements and skill level.
  • The Designer environment enables you to write 4DGL code in its natural form to program the display module.
  • The ViSi visual programming experience enables drag-and-drop placement of objects to assist with 4DGL code generation and allows you to visualize how the display will look.
  • The ViSi-Genie advanced environment doesn't require any 4DGL coding at all; it is done automatically for you. Simply lay out the display with the objects you want (similar to ViSi), set the events to drive them and the code is written for you automatically. Arduino and Raspberry Pi libraries are available for use with ViSi-Genie.
  • The Serial environment is provided to transform the display module into a slave serial display module, allowing you to control the display from any host microcontroller or device with a serial port. Serial libraries are available for C, Pascal, PicAxe, and Arduino.
By default, the module will come ready for Serial usage. You can change environments or customize the serial firmware using one of the optional USB-to-Serial adapters and the Workshop 4 IDE software.

TFT LCD Graphical Touchscreen Module Resources

The display module ships with a 150mm five-pin female-female jumper cable and a five-pin male adapter for that cable, so you can connect the module to another device or breadboard that has male or female headers.

Can be used with Arduino and Raspberry Pi

See the optional recommended products list below for adapters that will allow you to use this display with Arduino and Raspberry Pi systems. Programming libraries for both environments are included in the 4D Workshop4 IDE software.

Can be used with Fox Board or Terra Board

If you have an Acme Systems Fox G20 or Terra G25 Embedded Linux Board, you can use the DAISY-15-R adapter to connect this display. You'll need a ribbon cable, and the Fox Board also will need the DAISY-1 adapter. See the DAISY-15-R page for details and links.


Optional Recommended Products for this Item
USB to Serial TTL Cable, 3.3V, 5-pin Female Header, 1.8m+ US$22.00
USB to Serial UART Bridge Converter, 5-pin Female and 10-pin DIP+ US$20.00
microSDHC 4GB Flash Memory Card with Full-Size Adapter, Class 4+ US$6.50
Plastic Pen Stylus for Touch Screens+ US$2.00
Development and Prototyping Board for 4D Display Modules+ US$49.00
Arduino Adapter Shield II for 4D Systems LCD/OLED Displays+ US$12.00
Raspberry Pi Interface Adapter for 4D Systems LCD/OLED Displays+ US$9.00
Bezel for uLCD-32PTU and 4DPi-32 Display Modules, Black+ US$10.99
Bezel for uLCD-32PTU and 4DPi-32 Display Modules, White+ US$10.99

This product was added to our catalog on Thursday 27 December, 2012.

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