OLIMEX AM3352-SOM, User Manual

Page 1: ...ss mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer...

Page 2: ...AM3352 SOM System on Module Linux enabled board USER S MANUAL Document revision B September 2015 Designed by OLIMEX Ltd 2015 All boards produced by Olimex LTD are ROHS compliant...

Page 3: ...limited to implied warranties of merchantability or fitness for purpose are excluded This document is intended only to assist the reader in the use of the product OLIMEX Ltd shall not be liable for an...

Page 4: ...arity warnings 10 3 2 Requirements 11 3 3 Powering the board 12 3 3 1 Stand alone powering 12 3 3 2 Mounted powering 13 3 4 Button functions 13 3 5 Interacting with the board 14 3 6 Expanding the Debi...

Page 5: ...or 27 6 6 AM_CON LCD 40pin connector 28 6 7 Jumper description 29 6 8 Additional hardware components 29 CHAPTER 7 SCHEMATICS 31 7 Introduction to the chapter 31 7 1 Eagle schematic 31 7 2 General phys...

Page 6: ...product development Each of these boards has two parts a main part which nests the processor the memory and the power control unit and the peripheral part which contains the USB ports the video output...

Page 7: ...od solution for application orientated embedded systems The reason for this alteration is the additional hardware that AM3352 SOM EVB it provides direct VGA output and easier ways to connect periphera...

Page 8: ...ollows the hardware layout of AM3352 SOM board revision C AM3352 SOM EVB revision D peripheral board was used while writing this document Different board revisions might have different features or set...

Page 9: ...check the AM3352 SOM board itself 2 1 Layout top view The picture below shows the top side of the board and highlights the most important parts The four plastic connectors AM_CON LCD AM_CON GPIO1 AM_...

Page 10: ...ure below shows the bottom side of the board and highlights the most important parts The power LED indicates whether the board is powered properly It is not connected to a processor pin The user LED i...

Page 11: ...to high electrostatic potentials A grounding strap or similar protective device should be worn when handling the board Avoid touching the component pins or any other metallic element Ensure that your...

Page 12: ...52 SOM lacks other options for debugging you would need a serial cable suitable for the 3 3V UART signals SD card with compatible image official images are available at the wiki article for the board...

Page 13: ...of any of the following headers AM_CON LCD header AM_CON GPIO1 AM_CON GPIO2 AM_CON GPIO3 IMPORTANT provide power supply to only one of the mentioned pins providing 5V to more than one header simultan...

Page 14: ...umption of AM3352 SOM EVB AM3352 SOM is around 0 20A 10V but might reach peaks up to 0 25A 10V during initial boot These values were measured without anything else connected to the board e g no keyboa...

Page 15: ...e serial COM port which the cable is associated with The typical baud rate is 115200 the rest of the settings should be left as per default After everything else is set you would need to power the boa...

Page 16: ...ution To ease the process of changing the video output settings in the default Linux image we have provided a shell script that can be executed Using it you can set the preferred video output medium a...

Page 17: ...However there is only a 40 pin female connector AM_CON LCD with a 0 05 step Unlike other OLIMEX Linux enabled boards the AM3352 SOM lacks a row of pins that allows the user to connect a display out o...

Page 18: ...eases These images might be downloaded for free and modified as the user wishes The latest images and updates are featured at the wiki article of the device https www olimex com wiki AM3352 SOM We usu...

Page 19: ...ntation of the processor refer to the information for the ZCZ ball layout Of particular importance is that Texas Instruments provides excellent documentation and support for AM3352 A short list of fea...

Page 20: ...OLIMEX 2015 AM3352 SOM user s manual 4 2 Block diagram The block diagram was taken from the based on the AM3352 s documentation Page 19 of 36...

Page 21: ...t or power cycling the board reset by disconnecting and re applying the main power supply might lead to software corruption of the operating system of choice 5 2 Clocks RTC clock 32 768Hz is connected...

Page 22: ...level of your computer or cable That is true for the RX and TX also It is highly recommended to have an USB SERIAL CABLE F or similar product at hand when debugging the video output is not always reli...

Page 23: ...oSD card connector The micro SD card slot is primarily used for booting the operating system The board works with micro SDHC cards up to 32GB of storage Note that the speed class rating of the card us...

Page 24: ...recommended to use class 10 10MByte sec card for faster read write operations since lower class cards especially higher capacity ones might slow down the whole system You can find the table with the...

Page 25: ...p IMPORTANT the connectors are very fragile if you attempt to disconnect the board by pulling only one side out it might break Furthermore you might bend the board s pins Use pliers or other suitable...

Page 26: ...NDQ5 V8 13 P0_23 LCD_D22 T6 14 P1_4 NDQ4 U8 15 P2_11 LCD_D5 U9 16 P1_3 NDQ3 T8 17 P2_13 LCD_D7 V6 18 P1_2 NDQ2 R8 19 P2_15 LCD_D9 T7 20 P1_1 NDQ1 V7 21 P0_22 LCD_D23 T17 22 P1_0 NDQ0 U7 23 P1_14 LCD_D...