Corp MP3 Player User Guide
Table Of Contents
- Section 1
- Introduction
- 1.1 Web Site download
- 1.2 Abbreviations
- Section 2
- Overview
- 2.1 User Interface
- 2.2 Quickstart
- 2.2.1 Power ON/OFF
- 2.3 Main Functions
- 2.4 Mode Functions
- 2.5 Alternate Functions
- 2.6 Special Information
- Section 3
- Overview of Modes
- 3.1 Song Mode
- 3.2 Voice Mode
- 3.3 USB Mode
- 3.4 Erase Mode
- Section 4
- In-System Programming (ISP)
- 4.1 Using Hardware Conditions
- 4.2 Using Software Condition

Overview of Modes
AT89C51SND1 Reference Design User Guide 3-9
4207B–MP3–04/07
In order to leave this state, 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.