4D systems gen4 Series Datasheet

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4D systems gen4 Series Datasheet Manual pdf 9 page image

gen4 Display Module Series gen4-uLCD-24PT - 2.4”© 2017 4D SYSTEMS Page 9 of 22 www.4dsystems.com.au5. Module FeaturesThe gen4 series of Integrated Display Modules aredesigned to accommodate most applications. Someof the main features of the module are listed below.5.1. Picaso ProcessorThe module is designed around the Picaso GraphicsController from 4D-Labs.The Picaso is a smart Controller and the interface tothe TFT- LCD displays is almost plug-n-play.All of the data and control signals are provided by thechip to interface directly to the display.Powerful graphics, text, image, animation andcountless more features are built right inside thechip.The data sheet for the processor is available from thehttp://www.4dsystems.com.au website:“Picaso Processor Datasheet”5.2. AudioAudio playback support in the Picaso Processorenables this module to play audio WAV files stored inthe micro-SD memory card. PWM audio is generatedand made available on the AUDIO pin of the 30 wayZIF connector, ready to interface with an audioamplifier on your application board.A simple instruction enables the user toplay/pause/stop audio files while continuing theexecution of the user application code, such asdisplay updates, touch recognition, communications,etc. The audio system also allows real time pitchchange of audio samples.For a complete list of audio commands please referto the separate document titled:“Picaso 4DGL Internal Functions”5.3. SD/SDHC Memory CardsThe module supports micro-SD memory cards via theon-board latch type micro-SD connector. Thememory card is used for allmultimedia file retrieval such asimages, animations and movie clips.The memory card can also be usedas general purpose storage for data loggingapplications. Support is available for off-the-shelfmicro-SD (< 4GB) and high capacity HC memory cards(4GB and above). Memory cards up to 32GB is sizecan be used, however it must be noted that only aportion of this can be utilised by the FAT16 filesystem. See section below for more details.Note: A microSD card capable of SPI is a requirementfor all 4D Systems’ display modules powered byGoldelox, Picaso or Diablo16 Processors. If a non-SPIcompatible card is used, it will simply fail to mount,or may cause intermittent issues resulting in lock upsand crashing of the application. Please refer to the4D Systems website for microSD cards offered by 4DSystems.5.4. FAT16All 4D Systems display modules featuring 4D Labsprocessors use off-the-shelf standardSDHC/SD/micro-SD memory cards (SPI CompatibleOnly) with up to 4GB capacity usable with FAT16formatting.For any FAT file related operations, before thememory card can be used it must first be formattedcorrectly. Built into Workshop4 is a tool created by4D, called RMPET (please refer to the Tools menu, inany Environment, inside the Workshop4 IDE). RMPETallows the User to easily partition and formatmicroSD cards, to make their file system ready to beused with 4D Systems modules. The formatting of thecard can be done on any PC system with a cardreader.The Picaso Processor also supports high capacity HCmemory cards (4GB and above). The availablecapacity of SD-HC cards varies according to the waythe card is partitioned and the commands used toaccess it. Refer to the 4D Systems RMPET tool in theWorkshop4 IDE.A Max of 4GB can be utilised by the FAT16 filesystem. The FAT partition is always first (if it exists).Any space larger than 4GB will be RAW, and can stillbe utilised by your 4D Systems module, usingdifferent functions. Please refer to Application Notes.

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