Atmel AT89C51SND1 User Manual Download

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Overview

AT89C51SND1 Reference Design User Guide

2-4

4207B–MP3–04/07

Figure 2-2.

Reference Design (bottom view)

The battery is a standard 1.5V-battery type AAA.

The mass storage system on the board is a 64 MB NAND Flash memory.

2.1

User Interface

The user interface has 4 LEDs and 5 push-buttons:

Play/Pause

Function

Previous - Minus

Next - Plus

ON (Pwr)

Summary of Contents for AT89C51SND1

Page 1: ...MP3 Player Reference Design Based on AT89C51SND1 Microcontroller User Guide ...

Page 2: ...rview 3 2 1 User Interface 4 2 2 Quickstart 6 2 2 1 Power ON OFF 6 2 3 Main Functions 6 2 4 Mode Functions 6 2 5 Alternate Functions 7 2 6 Special Information 7 Section 3 Overview of Modes 8 3 1 Song Mode 8 3 2 Voice Mode 8 3 3 USB Mode 8 3 4 Erase Mode 10 Section 4 In System Programming ISP 11 4 1 Using Hardware Conditions 11 4 2 Using Software Condition 11 ...

Page 4: ...1SND1 Reference Design User Guide 1 2 4207B MP3 04 07 1 2 Abbreviations AT89C51SND1 the MP3 microcontroller ISP In System Programming MP3 MPEG layer 3 a standard music format PC Personal Computer USB Universal Serial Bus ...

Page 5: ...AT89C51SND1 Reference Design User Guide 2 3 Rev 4207B MP3 04 07 Section 2 Overview Figure 2 1 Reference Design Top view There are two connectors Earphone stereo jack Mini B USB connector ...

Page 6: ...igure 2 2 Reference Design bottom view The battery is a standard 1 5V battery type AAA The mass storage system on the board is a 64 MB NAND Flash memory 2 1 User Interface The user interface has 4 LEDs and 5 push buttons Play Pause Function Previous Minus Next Plus ON Pwr ...

Page 7: ...face Overview Each LED may be OFF Flashing ON during less than 1 second and only one time Slow blinking continuously Fast blinking continuously ON microphone headphone connector Play Pause ON Pwr LED n 1 LED n 2 LED n 3 LED n 4 AT89C51SND1 Function Func USB connector Next Plus Previous Minus ...

Page 11: ...the Play Pause button must be pressed Do not disconnect the cable before leaving USB Mode 3 4 Erase Mode When this mode is validated by pressing Play Pause button all LEDs are OFF during the erasing and reformatting of the full on board mass storage system LED n 4 will be ON when this operation is performed ...