EA TFT028-23AI 18 Bit RGB, 8/16-bit parallel, SPI interface Dimension 68x48x2.2mm (right picture) and 84x58x4.3mm (incl. PCAP, left one) FEATURES 2.8 TFT FULL COLOR DISPLAY AACS TECHNOLOGY WITH IPS FOR UNLIMITED VIEWING ANGLE 240x320x3 DOTS, CONTROLLER ST7789V 1000 or 800cd/m WITHOUT/WITH TOUCHPANEL 4 DIFFERENT INTERFACES AVAILABLE: 18-BIT RGB INTERFACE 8-BIT PARALLEL INTERFACE 16-BIT PARALLEL INTERFACE SPI INTERFACE INTEGRATED CONTROLLER ST7789V SUPPLY VOLTAGE 3.3V WIDE TEMPERATURE RANGE (T -20C - +70C) OP OPTIONALLY WITH PCAP AND CONTROLLER GT911 ORDERING CODES 2.8 TFT, 240x320 IPS, 1000cd/m EA TFT028-23AINN AS ABOVE BUT WITH OPTICALLY BONDED PCAP EA TFT028-23AITC ACCESSORY ZIF CONNECTOR 0.3MM, BOTTOM CONTACT EA WF030-39S ELECTRONIC ASSEMBLY GmbH Fon: +49 (0)8105-7780 90 Issue 6.2021 Zeppelinstrae 19 Fax: +49 (0)8105-7780 99 D-82205 Gilching e-Mail: info lcd-module.de Germany Web: www.lcd-module.de EA TFT028-23AI CONTENT ............................................................................................................................................................................................................ 1 CONTENT ......................................................................................................................................................................................... 2 REVISION HISTORY...................................................................................................................................................................... 3 GENERAL DESCRIPTION ............................................................................................................................................................ 4 OPTICAL CHARACTERISTICS ................................................................................................................................................... 5 DEFINITION OF RESPONSE TIME: T AND T ..................................................................................................................................... 5 R F DEFINITION OF CONTRAST RATIO .................................................................................................................................................... 6 VIEWING ANGLE ........................................................................................................................................................................... 6 DEFINITION OF WHITE UNIFORMITY ............................................................................................................................................... 6 THE DEFINITION OF COLOR GAMUT -COLOR CHROMATICITY CIE 1931 .......................................................................................... 7 ELECTRICAL SPECIFICATIONS ................................................................................................................................................ 8 ABSOLUTE RATINGS OF ENVIRONMENT .......................................................................................................................................... 8 ELECTRICAL ABSOLUTE MAXIMUM RATINGS ................................................................................................................................. 8 DC ELECTRICAL CHARACTERISTICS OF THE TFT LCD ................................................................................................................... 9 BACKLIGHT UNIT ....................................................................................................................................................................... 10 APPLICATION EXAMPLE FOR DRIVING THE LED BACKLIGHT ........................................................................................................ 10 TIMING SPECIFICATIONS .........................................................................................................................................................11 POWER SEQUENCE ......................................................................................................................................................................... 11 AC TIMING SPI INTERFACE CHARACTERISTICS ............................................................................................................................. 12 AC TIMING RGB INTERFACE CHARACTERISTICS .......................................................................................................................... 13 DATA INPUT FORMAT ..................................................................................................................................................................... 15 PCAP TOUCHPANEL ................................................................................................................................................................... 16 TIMING SPECIFICATIONS FOR CTP ................................................................................................................................................ 16 REGISTER INFORMATION OF MODULE ............................................................................................................................................ 19 FUNCTION MODE .......................................................................................................................................................................... 27 RELIABILITY CONDITION ........................................................................................................................................................ 29 QUALITY UNITS ........................................................................................................................................................................... 30 INSPECTION METHOD .................................................................................................................................................................... 30 QUALITY LEVEL ............................................................................................................................................................................ 30 DEFINITION ................................................................................................................................................................................... 30 DEFINITION OF DOT DEFECT .......................................................................................................................................................... 31 VISUAL INSPECTION ...................................................................................................................................................................... 32 PIN DEFINITION .......................................................................................................................................................................... 37 INTERFACE MODE SELECTION ........................................................................................................................................................ 38 INITIALIZATION EXAMPLE ..................................................................................................................................................... 39 ACCESSORY EA WF030-39S ....................................................................................................................................................... 41 DIMENSIONS ................................................................................................................................................................................. 42 Printing and typographical errors reserved. Page 2 ELECTRONIC ASSEMBLY reserves the right to change specification without prior note.