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
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)