GESBC-9G20i
User’s
Manual
Version 0.2
Page 2 of 21
20-Sep-13
Table of Contents
Chapter 1 – Introducing the GESBC-9G20i Single Board Computer ............................................... 4
GESBC-9G20i Overview............................................................................................................... 4
Advanced Features ......................................................................................................................... 4
AT91SAM9G20 ............................................................................................................................. 5
SDRAM ......................................................................................................................................... 5
FLASH ........................................................................................................................................... 5
USB ................................................................................................................................................ 5
UART 1 .......................................................................................................................................... 5
UART 2 .......................................................................................................................................... 6
DEBUG Port .................................................................................................................................. 6
Ethernet .......................................................................................................................................... 6
Chapter 2 – Getting Started ................................................................................................................ 7
Assembly and Connections ............................................................................................................ 7
Operation........................................................................................................................................ 7
Chapter 3 – GESBC-9G20i Function Blocks .................................................................................. 10
AT91SAM9G20 ........................................................................................................................... 10
SDRAM ....................................................................................................................................... 10
FLASH ......................................................................................................................................... 10
RS-232 Port 0, 1, and 2 ................................................................................................................ 10
RS-485 ......................................................................................................................................... 11
I2C Bus ........................................................................................................................................ 11
Ethernet ........................................................................................................................................ 12
USB Port ...................................................................................................................................... 12
I/O Block ...................................................................................................................................... 12
4 x 20 Character LCD Port J30 .................................................................................................... 13
RTC .............................................................................................................................................. 13
Optional A/D ................................................................................................................................ 14
JTAG ............................................................................................................................................ 14
Power Requirement ...................................................................................................................... 15
Chapter 4 – Software Description .................................................................................................... 16
Overview ...................................................................................................................................... 16
Data Storage on GESBC-9G20i................................................................................................... 16
GESBC-9G20i Linux Code ......................................................................................................... 16
U-boot .......................................................................................................................................... 16
U-boot Booting Linux .................................................................................................................. 16
Loading Linux Kernel and root File System ................................................................................ 17
Chapter 5 – Development Tools ...................................................................................................... 19
Overview ...................................................................................................................................... 19
Linux Development Tool Chain .................................................................................................. 19
Chapter 6 – Troubleshooting ........................................................................................................... 21
