OLIMEX© 2014
Table of Contents
DISCLAIMER ............................................................................................................. 2
CHAPTER 1: OVERVIEW ........................................................................................ 5
1.1 Features ..................................................................................................................................... 5
1.3 Board variants .......................................................................................................................... 6
1.5 Organization ............................................................................................................................. 6
2.2 Requirements ........................................................................................................................... 8
2.3 Powering the board .................................................................................................................. 9
2.4 Prebuilt software .................................................................................................................... 10
2.6 Calibrating a display ............................................................................................................. 12
2.6.1 Android calibration ...................................................................................................................................... 12
2.6.2 Debian calibration ........................................................................................................................................ 12
2.7 Software support .................................................................................................................... 12
3.1 Layout (top view) ................................................................................................................... 14
3.2 Layout (bottom view) ............................................................................................................. 15
4.1 The processor ......................................................................................................................... 16
4.2 Block diagram ........................................................................................................................ 17
5.1 Reset ........................................................................................................................................ 18
5.2 Clocks ...................................................................................................................................... 18
5.3 Power supply circuit .............................................................................................................. 18
6.2 SD card connectors ................................................................................................................ 22
Page 3 of 44
A20-OLinuXino-MICRO user's manual