Yampp-3U Reference Manual
Written by Eric Guérard
Version 1.11
Yampp-3U
Reference Manual
Contents
1 HISTORY................................................................................................................................ 3
2 PCB ASSEMBLY....................................................................................................................3
3 KEYBOARD ASSEMBLY..................................................................................................... 7
4 LCD ASSEMBLY................................................................................................................... 8
4.1 CHARACTER LCD INSTALLATION....................................................................................... 8
4.2 NOKIA 3310 GRAPHIC LCD INSTALLATION....................................................................... 9
4.3 COLOR GRAPHIC LCD INSTALLATION............................................................................. 10
4.3.1 WHAT YOU NEED............................................................................................................... 10
4.3.2 DISPLAY CONNECTIONS.................................................................................................... 10
4.3.3 FIRMWARE......................................................................................................................... 11
4.3.4 GRAPHICS SKIN UPLOAD................................................................................................... 12
5 POWER UP THE PLAYER ................................................................................................ 13
6 PROGRAM THE BOOT LOADER.................................................................................... 13
7 USB DRIVERS INSTALLATION ...................................................................................... 15
8 PROGRAM TEST FIRMWARE ........................................................................................ 16
8.1 PROGRAMMING................................................................................................................... 16
8.2 HARDWARE TESTING ......................................................................................................... 16
9 PROGRAM PLAYER FIRMWARE.................................................................................. 17
10 GENERAL CHARACTERISTICS................................................................................... 17
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Yampp-3U
Reference Manual
Contents
1 History
Date Version Written by Notes
Febuary 09, 2004 1.00 Eric Guérard First Version
June 17, 2004 1.10 Eric Guérard Color LCD, Minor Fixes
November 10, 2005 1.11 Jesper Hansen Keyboard layout fix
This document will guide you step by step to the building process of the yampp-3U Rev. D MP3
player. It is very important to follow each step. For further information go to the Yampp website
http://www.yampp.com/
2 PCB Assembly
Here are the step-by-step instructions for the building process of the Yampp3U.
Step 1
Install the processor
(ATMEGA162). Carefully
verify the orientation of the
processor before soldering
it.
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Step 2
Install the USB chip
(FT245BM) and some
surface mount IC. IC12 is
optional. Mount either
IC4 or IC12 but not both
together. Once again
don’t forget to verify the
parts orientations.
Step 3
Install the MP3 Decoder
(VS1001K) and some
surface mount IC.
Yampp-3U
Reference Manual
Contents
Version 1.10, 11/10/2005 Page 4 of 13
Step 4
Install the buffer IC
(74LVC245)
Step 5
Install all the small surface
mount parts such as
resistors and capacitors.
Yampp-3U
Reference Manual
Contents
Version 1.10, 11/10/2005 Page 5 of 13
Step 6
Install the larger surface
mount parts.
Yampp-3U
Reference Manual
Contents
Step 7
Install the entire thru-hole
components.
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