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manual abstract
1-1 Section 2 Getting Started...................................................................................... 2-3 2.1 Features....................................................................................................2-3 2.1.1 System................................................................................................2-3 2.1.2 Audio Player .......................................................................................2-3 2.1.3 USB Device ........................................................................................2-3 2.1.4 USB Host............................................................................................2-4 2.1.5 File System.........................................................................................2-4 2.1.6 Sound Control.....................................................................................2-4 2.1.7 Firmware upgrade ..............................................................................2-4 2.2 Keypad Description...................................................................................2-5 2.3 Power-Up ..................................................................................................2-6 Section 3 Operating Modes .................................................................................. 3-7 3.1 Main Menu ................................................................................................3-7 3.1.1 Operating Modes ................................................................................3-7 3.1.2 Battery Status .....................................................................................3-7 3.1.3 USB Host Status.................................................................................3-7 3.2 Player........................................................................................................3-8 3.2.1 Player Status ......................................................................................3-8 3.2.2 Contextual Menu ................................................................................3-9 3.3 Mass-Storage..........................................................................................3-11 3.3.1 Contextual Menu ..............................................................................3-11 3.4 Explorer...................................................................................................3-12 3.4.1 USB Host..........................................................................................3-12 3.4.2 Contextual Menu ..............................................................................3-12 3.5 Ebook......................................................................................................3-14 3.6 CDC demo ..............................................................................................3-14 3.7 Playlist.....................................................................................................3-15 3.7.1 Contextual Menu ..............................................................................3-15 3.8 Recorder .................................................................................................3-16 3.9 Games ....................................................................................................3-16 3.10 Settings ...................................................................................................3-17 3.10.1 Language..........................................................................................3-17 3.10.2 Power ...............................................................................................3-17 3.10.3 Format ..............................................................................................3-17 3.10.4 Version .............................................................................................3-17 AT85DVK-07 Demonstration Firmware User’s Manual 7687C–MP3–09/07 Table of Contents Table of Contents Update System.................................................................................3-17 3.10.6 Update Settings................................................................................3-17 3.10.7 Exit....................................................................................................3-17 3.11 Firmware Update ....................................................................................3-18 3.11.1 Automatic Firmware Update.............................................................3-18 3.11.2 Manual Firmware Update .................................................................3-18 AT85DVK-07 Demonstration Firmware User’s Manual 7687C–MP3–09/07 1 Introduction The AT85C51SND3B is a low power single-chip highly-integrated digital audio decoder/encoder for applications such as audio players, recorders, cell phones, toys, etc. The AT85C51SND3B MP3 Player firmware is part of the AT85DVK-07 Development Kit dedicated to the AT85C51SND3B microcontrolle...