![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg1.png)
AT85DVK-07 Demonstration Firmware
.......................................................................................................
User’s Manual
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg2.png)
Section 1
Introduction...........................................................................................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 1
7687C–MP3–09/07
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg3.png)
Table of Contents
3.10.5 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
2 AT85DVK-07 Demonstration Firmware User’s Manual
7687C–MP3–09/07
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg4.png)
Section 1
Introduction
The AT85C51SND3B is a low power single-chip highly-integrated digital audio
decoder/encoder for a pplication s such as audio player s, recorde rs, cell ph ones, toys ,
etc.
The AT85C51SND3B MP3 Player firmware is part of the AT85DVK-07 Development Kit
dedicated to the AT85C51SND3B microcontroller. The firmware is delivered with a set
of MMI applications which form an overall demonstration MP3/WMA player.
This document is the User’s Manual of the AT85C51SND3B MP3 Player application
based on the AT85DVK-07 Development Board. It describes the demonstration firmware and its basic operating mo des based on the 1.9.4 firm ware version: snd3 b-dvk1_9_4.
AT85DVK-07 Demonstration Firmware User’s Manual 1-1
7687C–MP3–09/07
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg5.png)
Section 2
Getting Started
2.1 Features The following is a list of features supported by the demonstration firmware:
2.1.1 System •Display
– 128x64 graphical monochrome LCD
– LED backlight
•Memories
– 256MB Nand Flash on-board memory
Driver ready up to 4GBytes (4 dies)
– MMC / MMC V4 - 1bit/4bits mode
– SD / SD HC - 4bits mode
–
USB disk (U-drive) through USB host
2.1.2 Audio Player •Audio Stream
– MP1, MP2, MP3
–WMA
– WAV (PCM, G711, G726) Playback
• Recording
–G726
• Repeat A/B
• Play, Pause, Stop
• Next track, Previous track
• Fast Forward, Fast Rewind
• Speed Adjust (MP1, MP2, MP3 only)
•Tags
– ID3 v1.0, v1.1
– ID3 v2.2 and v2.3
2.1.3 USB Device • USB 2.0, High Speed Transfer
• Supported Class: Mass Storage, HID, CDC.
• Mass Storage, transfer rate performance:
– typical, 10MB/s read - 8MB/s write on NandFlash
– up to 12MB/s on MMC V4 / SD / SD HC
AT85DVK-07 Demonstration Firmware User’s Manual 2-3
7687C–MP3–09/07
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg6.png)
Getting Started
2.1.4 USB Host • Reduced Host Implementation
• USB 2.0, Full Speed Transfer
• Supported Class: Mass Storage, HUB, HID, CDC.
• Mass Storage rate performance is 1MB/s (maximum of Full Speed)
2.1.5 File System • FAT12, FAT16, FAT32
• More than one file/disk opened at a time
• File copy/paste/create/delete
• Directory create/delete
•Format
2.1.6 Sound Control • Stereo volume control
• Sound effects:
– Bass Boost
– Spatial sound
• Adjustable 3-band EQ
– Classic, Pop, Jazz, Rock...
2.1.7 Firmware upgrade • Upgrade through update file drag and drop
• Automatic Upgrade
– From Nand Flash disk
–From MMC/SD disk
• No PC tool install required
2-4 AT85DVK-07 Demonstration Firmware User’s Manual
7687C–MP3–09/07
![](/html/0e/0e6a/0e6a887dba836cafb39df37d5527d76de3e384daca89e98497c0d3a99ba2b0e0/bg7.png)
Getting Started
2.2 Keypad
Description
The following figure shows the basic key functions.
Up
Select
Lock
Vol Up
F1
Function F1
Vol Down
F2
Menu
Left
Right
Down
Power On
• Lock: this switch is the keypad hold function: push right to lock, left to unlock.
• F1: this is special key whose function depends on the operating modes.
• Vol Up: press to increase the sound volume.
• Vol Down: press to decrease the sound volume.
• Menu: this key displays a contextual graphical menu. The icons d isplayed in this
menu vary depending on the operating mode. Refer to the Section 3 for further
information.
• Power On: this key is used to power-up the sys tem whe n a bat tery is ins erted in its
socket.
• Joystick: this mini joystick has 5 f unc tio ns : Up, Down, Right, Left, Select which vary
depending on the operating mode. Select corresponds to the joystick center
pressing.
AT85DVK-07 Demonstration Firmware User’s Manual 2-5
7687C–MP3–09/07