Texas Instruments VAR-SOM-AM33 Quick Start Manual

VAR-SOM-AM33 based on TI AM335x

Evaluation Kit Quick Start Guide

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Evaluation Kit initial Setup

1. Carefully remove the Evaluation Kit from the package.

2. Plug the RS232 cable between Debug UART connector (J6) and a
PC serial interface (DTE).

Note: Pin #1 on the RS323 cable marked with arrow should be connected
To Pin #2 of J6 marked on PCB.

Top side:

1. Extension Headers

2. USB OTG

3. JTAG Header

4. LVDS Header

5. Gigabit Ethernet

6. UART1 DTE

7. USB Host ports x 2

8. 12V DC In Jack (J20)

9. Debug UART(J6)

10. USB Host ports x 2

11. Line In

12. Audio Header

13. Headphones

14. RTC Battery Holder

15. 10/100 Ethernet

Bottom side:

16. Resistive LCD

17. Resistive Touch

18. Capacitive LCD

19. SD Card Slot

20. Capacitive Touch

21. On/Off Button

22. User Button

23. Capacitive LCD Backlight

24. Boot Select Button (SW3)

25. Reset Button

VAR-SOM-AM33 based on TI AM335x

Evaluation Kit Quick Start Guide

Setting the Host PC for Debug

1. Download any PC terminal program. Variscite suggests using Putty

2. Set PC terminal software parameters as follows:

- Baud Rate: 115200

- Data bits: 8

- Stop bits: 1

- Parity: None

- Flow Control: None

Using Default file System

1. Plug the wall adapter’s pin into the VAR-AM33CustomBoard
12V power jack (J20) and to a 120VAC~240VAC power source.

2. Boot messages are printed within PC’s terminal window.

Booting from SD Card

The SD card is supplied within the package. The image can be also
downloaded from Variscite FTP site. Please contact Variscite’s sales
for details: [e-mail]

1. Disconnect the power supply from the VAR-AM33CustomBoard.

2. Push SD card into the SD card slot (J25) of the
VAR-AM33CustomBoard.

3. Press and hold down Boot select button (SW3) to boot from SD Card.

4. Plug the wall adapter’s pin into the VAR-AM33CustomBoard
12V power jack (J20) and to a 120VAC~240VAC power source.

5. Wait for 5 sec and release the Boot Select button.

6. Boot messages are printed within PC’s terminal window.

Burning Recovery File System

Please refer to Variscite’s wiki pages at:

http://variwiki.com/index.php?title=VAR-SOM­AM33_Yocto_NAND_Recovery

Additional Support Links

1. Wiki pages:

http://variwiki.com/index.php?title=Main_Page

2. Support Forum:

http://variscite.com/support-forum/index.php

3. VAR-SOM-AM33 Evaluation Kit:

http://www.variscite.com/products/evaluation-kits/var-som-am33-kits

4. VAR-SOM-AM33:

http://www.variscite.com/products/system-on-module-som/cortex­a8/var-som-am33-cpu-ti-am335x-am3354-am3352

5. VAR-AM33CustomBoard:

http://www.variscite.com/products/single-board-computers/var­am33customboard

Thank you for purchasing Variscite’s product.

For additional assistance please contact:

[e-mail]