DATASHEET 2.4” microLCD PICASO Display µLCD-24PTU Document Date: 15th January 2014 Document Revision: 1.7 Uncontrolled Copy when printed or downloaded.
Overview The µLCD-24PTU is a compact and cost effective Intelligent Display Module packed with plenty of features, ready to become the GUI for your target application. It is the perfect choice for many applications that require a front end smart graphics interface. Embedded at the heart of the design is the PICASO processor, which is driven by a highly optimised virtual core engine called EVE (Extensible Virtual Engine).
Contents 1. Description ............................................................................................................................. 4 2. Features ................................................................................................................................. 4 3. Pin Configuration and Summary .............................................................................................. 5 4. Hardware Interface - Pins..........................................................
D SYSTEMS µLCD-24PTU 1. Description 2. Features The μLCD-24PTU module demonstrates class and finesse in the microLCD range, featuring a 2.4’’ 240x320 screen resolution that is the ideal size for displaying detailed graphics for many interactive touch applications. • Low-cost 2.4" LCD-TFT display graphics user interface solution.
4D SYSTEMS µLCD-24PTU 3. Pin Configuration and Summary P1 – Lithium Battery Header H1 – I/O Expansion Header H2 – Programming Header H1 1 H2 2 1 9 29 Pin Symbol I/O 1 2 N/C RES I 3 4 5 6 N/C GND N/C RX P I 7 8 N/C TX O 9 10 N/C +5V P P1 2 1 2 5 6 10 30 H2 Pin Outs (Programming Header) Description Not connected Master Reset signal. Internally pulled up to 3.3V via a 10K resistor. An active Low pulse greater than 2 micro-seconds will reset the module.
4D SYSTEMS µLCD-24PTU Pin Symbol I/O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IO1 SPKIO2 SPK+ IO3 SCL IO4 SDA IO5 N/C GND N/C GND +5V BUS7 AUDIO BUS6 AUDENB BUS5 RES BUS4 3.
4D SYSTEMS µLCD-24PTU 4. Hardware Interface - Pins The μLCD-24PTU provides both a hardware and software interface. This section describes in detail the hardware interface pins of the device. Serial Ports - COM0, COM1 UARTS The μLCD-24PTU has two dedicated hardware Asynchronous Serial ports that can communicate with external serial devices. These are referred to as the COM0 and the COM1 serial ports. The primary features are: • Full-Duplex 8 bit data transmission and reception.
4D SYSTEMS µLCD-24PTU be charged. When used as a GPIO pin, simply connect an Input/Output to the IO2 pin on the H1 header. When using IO2 for Battery Status, simply leave the IO2 pin on the H1 header disconnected, and read the status of IO2 as an Input. (See 6.4. ‘Lithium Batteries’ for more information). IO3 pins (Peripheral Supply pin): IO3 is controllable via the processor, or via the H2 Interface pin driven by an external circuit.
4D SYSTEMS µLCD-24PTU 5. PmmC/Firmware Programming 6. Module Features The PICASO processor used in the μLCD-24PTU module is a custom graphics processor. All functionality including the high level commands are built into the chip. This chip level configuration is available as a Firmware/PmmC (Personalitymodule-micro-Code) file. The μLCD-24PTU module is designed to accommodate most applications. Some of the main features of the module are listed below.
4D SYSTEMS µLCD-24PTU The data sheet for the processor is available from the http://www.4dsystems.com.au website: “PICASO-Processor-Datasheet-REVx.pdf” for charging. When the battery is at this cut off voltage, μSD card read and write operations should be avoided, as they may fail due to low voltage. It is up to the User to handle the operation of the display module when using a Lithium Battery.
4D SYSTEMS µLCD-24PTU appropriate drive and choose the FAT16 (or just FAT in some systems) option when formatting. The card is now ready to be used in the PICASO based application. The μLCD-24PTU also supports high capacity HC memory cards (4GB and above). The available capacity of SD-HC cards varies according to the way the card is partitioned and the commands used to access it. The FAT partition is always first (if it exists) and can be up to the maximum size permitted by FAT16.
4D SYSTEMS µLCD-24PTU Development Hardware 8. Hardware Tools The following hardware tools are required for full control of the μLCD-24PTU module. 4D Systems has designed a development board compatible with the μLCD-24PTU, enabling easy prototyping to take place and to experiment with the μLCD-24PTU display module. 4D Programming Cable/Adaptor The 4D Programming Cable and uUSB-PA5 Programming Adaptor are essential hardware tools to program, customise and test the PICASO Processor.
4D SYSTEMS µLCD-24PTU 9. 4DGL - Software Language 10. 4D Systems - Workshop 4 IDE The μLCD-24PTU utilises the PICASO processor, which belongs to a family of processors powered by a highly optimised soft core virtual engine, EVE (Extensible Virtual Engine). Workshop 4 is a comprehensive software IDE that provides an integrated software development platform for all of the 4D family of processors and modules.
4D SYSTEMS µLCD-24PTU Workshop 4 – Designer Environment Choose the Designer environment to write 4DGL code in its raw form. The Designer environment provides the user with a simple yet effective programming environment where pure 4DGL code can be written, compiled and downloaded to the μLCD-24PTU. Workshop 4 – ViSi Genie Environment ViSi Genie is a breakthrough in the way 4D Systems’ graphic display modules are programmed.
4D SYSTEMS µLCD-24PTU Once the μLCD-24PTU is configured and downloaded to from the Serial Environment, simple graphic commands can be sent from the users host microcontroller to display primitives, images, sound or even video.
4D SYSTEMS µLCD-24PTU 12.
4D SYSTEMS µLCD-24PTU 13. Mechanical Details © 2014 4D SYSTEMS Page 17 of 21 www.4dsystems.com.
4D SYSTEMS µLCD-24PTU 14. Schematic Diagram © 2014 4D SYSTEMS Page 18 of 21 www.4dsystems.com.
4D SYSTEMS µLCD-24PTU 15. Specifications and Ratings ABSOLUTE MAXIMUM RATINGS Operating ambient temperature ................................................................................................... -15°C to +65°C Storage temperature .......................................................................................................................... -30°C +70°C Voltage on any digital input pin with respect to GND ....................................................................... -0.
4D SYSTEMS µLCD-24PTU OPTICAL CHARACTERISTICS Parameter Contrast ratio (Centre point) Condition Min -- Typ 250 Max -- Units -- 160 200 230 Cd/m2 80 -- -- % -- 30 -- ms 0.283 0.303 0.323 0.305 0.325 0.345 Red, Rx 0.606 0.626 0.646 Red, Ry 0.614 0.334 0.354 Green, Gx 0.257 0.277 0.297 Green, Gy 0.529 0.549 0.569 Blue, Bx 0.122 0.142 0.162 Blue, By Vertical above Centre Vertical below Centre Horizontal Left of Centre Horizontal Right of Centre 0.102 0.
4D SYSTEMS µLCD-24PTU 16. Legal Notice Proprietary Information The information contained in this document is the property of 4D Systems Pty. Ltd. and may be the subject of patents pending or granted, and must not be copied or disclosed without prior written permission. 4D Systems endeavours to ensure that the information in this document is correct and fairly stated but does not accept liability for any error or omission.