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Starter Kit microLCD Display Module Series DATASHEET th DOCUMENT DATE: 04 March 2019 DOCUMENT REVISION: 2.1 uLCD-28PTU (Resistive touch) Uncontrolled Copy when printed or downloaded. Please refer to the 4D Systems website for the latest Revision of this document W W W . 4 D S Y S T E M S . C O M . A U uLCD-28PTU Page 1 of 21 www.4dsystems.com.au Table of Contents Table of Contents 1. Description ............................................................................................................... 4 2. Features .................................................................................................................... 4 3. Hardware Overview .................................................................................................. 5 4. Hardware Interface - Pins .......................................................................................... 7 4.1. Serial Ports TTL Level Serial .................................................................................... 7 4.2. General Purpose I/O .................................................................................................. 7 4.3. System Pins ................................................................................................................ 8 5. PmmC/Firmware Programming ................................................................................. 9 6. Module Features ....................................................................................................... 9 6.1. Display 2.8 TFT Touch Screen ............................................................................... 9 6.2. PICASO Processor .................................................................................................... 10 6.3. Audio ....................................................................................................................... 10 6.4. Lithium Batteries ..................................................................................................... 10 6.5. SD/SDHC Memory Cards ......................................................................................... 11 6.6. Fat16 ........................................................................................................................ 11 7. Display Precautions ................................................................................................. 11 8. Hardware Tools ....................................................................................................... 12 8.1. Programming Cable/Adaptor .................................................................................. 12 9. 4DGL - Software Language ....................................................................................... 12 10. 4D Systems - Workshop4 IDE ................................................................................. 13 10.1. Designer Environment ........................................................................................... 13 10.2. ViSi Environment ................................................................................................... 13 10.3. ViSi Genie Environement ....................................................................................... 14 10.4. Serial Environment ................................................................................................ 14 11. Starter Kit ............................................................................................................. 15 12. Mechanical Details ................................................................................................ 16 13. Schematic Diagram ............................................................................................... 17 14. Specifications and Ratings ..................................................................................... 18 15. Hardware Revision History .................................................................................... 20 uLCD-28PTU Page 2 of 21 www.4dsystems.com.au