Table of Content1. PRODUCT FEATURES AND SPECIFICATIONS .......................................... 41.1 Overview ................................................................................................... 41.2 Features and Specifications ......................................................................... 91.3 Outline Drawing and Dimension................................................................. 102. FUNCTION DESCRIPTIONS ................................................................... 112.1 HDMI Connector (EC1400 only) ................................................................. 122.2 MicroSD Host Connector ........................................................................... 132.3 UART Connectors & Debug Port ................................................................. 142.4 USB Connectors ....................................................................................... 182.5 Audio Interface ........................................................................................ 192.6 Ethernet Interface .................................................................................... 202.7 LED ......................................................................................................... 212.8 Power Supply (DC-IN connector) ............................................................... 222.9 BM Header .............................................................................................. 232.10 GPIO Connector (EC1407/08/10 only) ...................................................... 242.11 I 2 C Interface .......................................................................................... 25APPENDIX A: BOX HEADER TO DB9 CABLE ............................................ 26APPENDIX B: 7-INCH LCD BRIEF ............................................................. 27APPENDIX C: 8-INCH LCD BRIEF ............................................................. 29APPENDIX D: 10.1-INCH LCD BRIEF......................................................... 31APPENDIX E: 3.5-INCH LCD BRIEF .......................................................... 33APPENDIX F: 4.3-INCH LCD BRIEF .......................................................... 35