User Manual

AN706-00040-2v0-E
3
Table of Contents
Revision History .......................................................................................................................2
Table of Contents .....................................................................................................................3
Target products ........................................................................................................................6
1 INTRODUCTION ..............................................................................................................7
2 OVERVIEW OF SIMPLE AV SYSTEM BOARD ..............................................................7
3 PREPARATIONS ..............................................................................................................8
3.1 System Items ............................................................................................................8
3.2 Equipment Other than System Item Required ....................................................... 10
3.3 Board Appearance .................................................................................................. 11
3.4 Power Supply Method ............................................................................................ 12
4 PROGRAM EXECUTION METHOD ............................................................................. 13
4.1 Program Execution Using Debugger ..................................................................... 13
4.1.1 Activation of KEIL Integrated Development Environment .............................. 13
4.1.2 Start of Sample Program Export and Debug .................................................. 16
4.1.3 Program Execution Using Debugger .............................................................. 18
4.2 Standalone Program Execution ............................................................................. 18
5 SUPPORTED MEDIA.................................................................................................... 19
5.1 Formats that can be Used for USB Memory .......................................................... 19
5.2 Audio Data ............................................................................................................. 19
5.3 Image Data ............................................................................................................. 20
6 OPERATION METHOD ................................................................................................. 21
6.1 MP3 File Play ......................................................................................................... 21
6.2 AAC File Play ......................................................................................................... 27
7 SPECIFICATIONS ......................................................................................................... 29
7.1 Hardware ................................................................................................................ 29
7.1.1 General Specifications .................................................................................... 29
7.1.2 Hardware Block Diagram ................................................................................ 30
7.1.3 Main Components ........................................................................................... 31
7.1.4 Microcontroller ................................................................................................ 32
7.1.4.1 Pin Connection ........................................................................................ 32
7.1.4.2 Microcontroller Mode Switch and Function Switch ................................. 37
7.1.4.3 USB Interface Function Switching........................................................... 39
7.1.5 DA Converter .................................................................................................. 40
7.1.6 Switches.......................................................................................................... 40