Logic PD Zoom AM3517 EVM User manual

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Zoom™ AM3517 EVM User Guide
Logic PD // Products
Published: January 2011
Last revised: February 2011
This document contains valuable proprietary and confidential information and the attached file contains source code, ideas, and
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Proprietary Information may not be used by or disclosed to any third party except under written license from Logic Product
Development Company.
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Information or any products offered by Logic Product Development Company. Logic PD’s Proprietary Information is disclosed herein
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The Information contained herein is subject to change without notice. Revisions may be issued regarding changes and/or additions.
© Copyright 2011, Logic Product Development Company. All Rights Reserved.

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Revision History
REV
EDITOR
DESCRIPTION
APPROVAL
DATE
A JCA Initial release KJH 01/24/11
B
JCA
-Section 2.3: Changed the default boot mode; default is now set to
boot from the included SD cards
JCA
02/04/11

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Table of Contents
1Introduction...........................................................................................................................................1
1.1 Scope of Document.......................................................................................................................... 1
1.2 Requirements...................................................................................................................................1
2EVM Baseboard ....................................................................................................................................2
2.1 Baseboard Features Diagram.......................................................................................................... 2
2.2 Baseboard Ethernet Jack.................................................................................................................2
2.3 DIP Switches....................................................................................................................................2
3Application Board................................................................................................................................. 4
3.1 Application Board Features Diagram............................................................................................... 4
3.2 Application Board Feature Usage.................................................................................................... 5
3.3 Application Board Ethernet Jacks.................................................................................................... 5
3.4 User Interface Buttons .....................................................................................................................5
4Using USB/UART Serial Debug Interface...........................................................................................5
4.1 VCP Driver Installation.....................................................................................................................5
4.1.1 Additional Notes ........................................................................................................................ 6
4.2 Terminal Emulation Installation........................................................................................................6
5Install Software..................................................................................................................................... 7
5.1 Install CodeSourcery........................................................................................................................7
5.2 Install AM35xx BSL..........................................................................................................................8
6Board Support Library (BSL) Sample Programs...............................................................................8
6.1 Connect EVM to PC.........................................................................................................................8
6.2 Run the Test Menu...........................................................................................................................8
Appendix A: Additional Documentation.................................................................................................10

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1 Introduction
This User Guide continues where the QuickStart Guide documentation ended by providing
additional hardware details about the Zoom AM3517 EVM, as well as introductory instructions for
using the included Board Support Library (BSL) files.
1.1 Scope of Document
■This User Guide references specific connectors on the baseboard and application board.
However, the discussion is limited to special use instructions; detailed information about the
connectors should be referenced on the respective schematic and Bill of Material (BOM)
documents. See Appendix A for links to these documents.
■This User Guide does not provide detailed instructions for the software included with the kits.
Please refer to the specific User Guides for each respective software product for additional
information. A list of additional documentation is available in Appendix A.
1.2 Requirements
■It is assumed that the associated QuickStart Guide has been read in its entirety. See
Appendix A for a link to the QuickStart Guide.
■A host PC with CD/DVD drive, USB port, and at least 2 GB of hard drive space.

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2 EVM Baseboard
2.1 Baseboard Features Diagram
2.2 Baseboard Ethernet Jack
The Ethernet jack located on the baseboard is used with the RMII PHY on the SOM and the
Ethernet MAC built in to the AM3517 processor; whereas the Ethernet jacks located on the
application board are completely independent. It is possible to use the baseboard Ethernet jack
and the application board Ethernet jacks simultaneously if supported in software with multiple
Ethernet drivers loaded.
2.3 DIP Switches
There are two 8-position DIP switches located on the baseboard at reference designators S2 and
S7. By default, switches S7:1 and S7:4 are set to the “ON” position to enable booting from the SD
cards included with the EVM.
The S2 DIP switch is reserved for user application general purpose. The S7 DIP switch controls
the processor’s boot mode, IO voltage, and some peripherals on the baseboard. Table 2.1
describes the function of each switch.
BTB
expansion
connectors
(Application
Board)
RS232 serial
debug port
60-pin LCD header
USB
OTG port
USB
host port
Ethernet jack
Power-in jack
Power switch
General
purpose user
DIP switches
(S2) Boot mode /
peripheral DIP
switches (S7)
USB/UART
serial debug
port
SD/MMC1 card slot
(bottom of board) HDMI
video-out
System user button (left)
System reset button (right)
Above buttons:
User LED1 (left)
User LED2 (center)
Power LED (right)
S-Video
port

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Table 2.1: S7 DIP Switch Functions
Switch
OFF Position
ON Position
S7:1*
BOOT[0]
S7:2
BOOT[2]
S7:3
Reserved
S7:4
BOOT[5]
S7:5
Reserved
S7:6
Reserved
S7:7
AM3517 I/O runs at 3.3V
AM3517 I/O runs at 1.8V
S7:8
HDMI transmitter disabled
HDMI transmitter enabled
*Note: S7:1 indicates slide 1 on the S7 DIP switch, S7:2 indicates slide 2 on
the S7 DIP switch, and so on.
A default boot mode has been defined by pulling all boot pins (SYS_BOOT[0:5]) to a default state
on the SOM; all available boot modes are described in Table 2.2.
Table 2.2: S7 DIP Switch Boot Modes
Boot Sequence
BOOT[5]
BOOT[2]
BOOT[0]
S7:4
S7:2
S7:1
NAND, EMAC, USB MMC1
OFF
OFF
OFF
EMAC, USB, MMC1, NAND
ON
OFF
OFF
XIP, USB, UART, MMC1
OFF
OFF
ON
Default
USB, UART, MMC1, XIP
ON
OFF
ON
XDOC, EMAC, USB, EMAC
OFF
ON
OFF
USB, XDOC
ON
ON
OFF
MMC2, EMAC, USB, EMAC
OFF
ON
ON
USB, MMC2
ON
ON
ON

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3 Application Board
The application board provides connectors to evaluate additional features beyond those built into
the baseboard.
3.1 Application Board Features Diagram
USB host port
Composite video
input jack
Video out header
Ethernet Jacks
Line out 2
Mic in 2
Line out 1
Mic in 1
Line in 1
Camera Connector
CAN headers
Component video
input jack
S-Video input jack
SD/MMC2 card slot
(bottom of board)
User interface buttons
UART header
Wireless daughterboard
connector
Wireless daughterboard
debug / test connectors &
headphone & line in jacks
DIP Switches (S11)
User interface 5-way
navigation knob

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3.2 Application Board Feature Usage
Some of the components on the EVM run off the same bus, so not every feature can be used at
the same time. The following features are mutually exclusive of each other since they share
MMC2:
□SD/MMC2 card slot located on the application board
□Wireless daughterboard connector located on the application board
□Wi-Fi module located on the SOM
The wireless daughterboard interface can be enabled or disabled by switch S11:4 on the
application board. The other features are controlled through software. This is something to take
into consideration if intending to use the application board with custom software for the SOM.
In addition, the application board supports composite, component, and S-Video analog video
inputs, as well as a camera digital input. All input devices may be connected simultaneously, but
only one video input device may be selected at a time. The selection between any analog input
and the camera input is made with switches S11:1 and S11:2 on the application board. The
choice of analog input is controlled through software.
3.3 Application Board Ethernet Jacks
The Ethernet jacks located on the application board are connected to the SMSC LAN9311
Ethernet chip on the application board. This chip connects to the processor GPMC bus and is
independent of the Ethernet jack located on the baseboard.
3.4 User Interface Buttons
Ten user interface buttons are available on the application board to interact with software. All of
the buttons run through an I/O switch controlled by I2C. Five of the interface buttons are also
connected in parallel with a five-way navigation knob.
4 Using USB/UART Serial Debug Interface
If your computer is not equipped with a COM port, the baseboard allows for the option of using
the USB/UART serial debug port as a virtual COM port (VCP) — see Section 2.1 for port location.
In order to use this feature, you must first download and install the VCP chip driver on your
computer.
Please review the FTDI website to make sure your computer meets recommended specifications
for the FT232R device.1
4.1 VCP Driver Installation
The following are brief instructions for installing the FT232R VCP driver. For more detailed
instructions, please review the documentation on FTDI's website.2
1. The VCP driver is available for download from FTDI's website3
2. The driver will be downloaded as a ZIP file which must be unzipped before the driver can be
installed.
. (NOTE: There may be
multiple drivers available on the FTDI website for this device; only the VCP driver is required.)
3. If running Windows XP SP1, please refer to the Windows XP Installation Guide located on
the FTDI website for special precautions to observe while installing the driver.
1http://www.ftdichip.com/Products/FT232R.htm
2http://www.ftdichip.com/Documents/InstallGuides.htm
3http://www.ftdichip.com/Drivers/VCP.htm

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4. Plug the USB cable into a USB port on your computer and the USB/UART serial debug port
on the baseboard. The Windows XP "Found New Hardware Wizard" will automatically
appear.
5. When prompted to allow Windows to search for the driver, select "No not this time."
□Install from a list or specific location (advanced)
□Browse to the location of the unzipped folder containing driver.
□The installation process should complete by itself with a message stating "USB Serial
Converter successfully installed."
6. A Windows XP Found New Hardware Wizard window will open for a second time. Follow
same procedure as Step 5 above. This installation process should complete by itself with a
message stating "USB Serial Port successfully installed."
7. Your system should now recognize the new hardware.
8. If you encounter any problems during this installation, please refer to FTDI's website for
troubleshooting recommendations.
9. Before using, go to the Device Manager on your computer to determine what COM port is
associated with the USB/Serial Port.
4.1.1 Additional Notes
■When using this feature, the DB9 Serial Port on the baseboard is disabled whenever the USB
cable is connected to the USB/UART serial debug port.
■The power supply included with the EVM needs to be plugged into an electrical outlet for the
USB device to be recognized by the computer. However, the EVM does not need to be
powered on for the device to be recognized.
4.2 Terminal Emulation Installation
The Zoom AM3517 EVM is designed to communicate with terminal emulation programs using the
included null-modem serial cable or Ethernet cable. The terminal emulation program must
support binary transfers in order to download software to the kit. Although Logic PD does not
support any particular terminal emulation program, we suggest using Tera Term for Windows
2000 or XP (Tera Term is not available for Linux users). Tera Term can be downloaded for free
from Logic PD’s website. To install Tera Term:
1. Download the.zip file from Logic PD’s downloads site4
2. After unzipping the contents, locate the teraterm-x.xx.exe file and double-click it.
and unzip the contents.
3. Follow the on-screen instructions to install Tera Term.
4. Start the Tera Term program
5. From the menu, select Setup > Serial port
4http://support.logicpd.com/downloads/240/

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6. Select the appropriate COM port for your host PC and then change the port settings to:
a. Baud rate: 115200
b. Data: 8 bit
c. Parity: None
d. Stop: 1 bit
e. Flow control: None
(Hint: In Tera Term, you can save these serial port settings by selecting Setup > Save setup
from the menu bar. After saving, these serial port settings will be in place every time you
launch the Tera Term application.)
Figure 4.1: Serial Port Settings
5 Install Software
The AM3517 EVM includes a Board Support Library (BSL) that allows for interaction with the
EVM and helps with diagnostics. This BSL is provided on the Windows CE and Linux software
SD cards included with the EVM; they’re also available for download from Logic PD’s downloads
site5
5.1 Install CodeSourcery
. The BSL works in conjunction with toolchains from CodeSourcery which must be installed
on the host PC prior to using the BSL.
The AM3517 EVM includes a DVD with an evaluation version of CodeSourcery’s Sourcery G++
Professional Edition and Lite Edition for ARM GNU/Linux. The Professional Edition is designed
for enterprise software development and includes the GNU Toolchain, the Eclipse IDE, and other
tools to build software. The Lite Edition is a command-line tool and is used as part of the Linux
SDK. More information is available on CodeSourcery’s website6
For interaction with the BSL and the instructions within this User Manual, all that is required is a
command-line tool. CodeSourcery provides a free, command-line only Lite Edition of Sourcery
G++ for ARM EABI; we will use the Lite version in these instructions.
.
5http://support.logicpd.com/auth/downloads/Zoom%20AM3517%20EVM%20Development%20Kit/#tools
6http://www.codesourcery.com/sgpp

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1. Download Sourcery G++ Lite for ARM EABI from CodeSourcery’s website.7
2. Locate the downloaded executable on your host PC and double-click to launch the installer.
(NOTE: These
instructions were tested with version 2010.09-51.)
3. Follow the on screen instructions. When you arrive at the screen for type of installation, select
Typical.
5.2 Install AM35xx BSL
1. Insert the Windows CE or Linux SD card into the included SD card reader. Connect the card
reader to an available USB port your host PC and navigate to the BSL folder.
2. Copy the contents of the BSL folder to a directory of your choice on the host PC.
3. Read the BSL_ReadMe.txt file for documentation on the BSL.
6 Board Support Library (BSL) Sample Programs
The BSL sample programs are included to test the different features of the EVM and diagnose
any potential problems. In order to run these tests, you first have to connect your EVM to a host
PC.
6.1 Connect EVM to PC
Connect the EVM to your PC by using the provided serial cable and following the instructions in
the QuickStart Guide or by using a USB A to B cable and following the instructions in Section 4 of
this document.
6.2 Run the Test Menu
In order to run a test program, you will have to select the program, compile (or build) the program,
and then load the compiled program. The following steps will walk you through that process.
1. Open a command prompt on your host PC and navigate to the .\tests\test_menu\cs folder,
located in the directory where you installed the BSL.
2. Compile the program by typing cs-make at the command prompt.
3. This will create a test_menu.raw file in that same folder.
4. Open Tera Term and select the serial COM port connected to your EVM.
5. Make sure one of the included software SD cards is inserted in the EVM and then power on
the EVM.
6. When prompted, press any key to stop the autoboot process. This will bring up a bootloader
prompt.
7. Load the test menu program by typing loadb at the bootloader prompt.
8. If using Tera Term, transfer the file by selecting File >Transfer > Kermit > Send from the
menu. Navigate to the .\tests\test_menu\cs folder and then select the test_menu.raw file.
Click Open to send the file.
(NOTE: This requires Tera Term version 4.63. If you are not using TeraTerm, please read the
documentation for your terminal emulator about using the Kermit protocol to transfer a file.)
9. After the program finishes loading, type go 0x82000000 and press the Enter key.
10. Run a test by typing in the test number and pressing the Enter key. For example, type 5to
run the LED, DIP Switch test. This test will flash LEDs in different patterns depending on the
S2 switch moved and will output the switch number positions.
7http://www.codesourcery.com/sgpp/lite/arm/portal/subscription?@template=lite

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NOTE: All of the tests in the experimenter folder can be run on both the AM3517 EVM and
eXperimenter Kit; the tests in the evm folder can only be run on the AM3517 EVM.

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Appendix A: Additional Documentation
Software Documentation
■The SD cards included with your AM3517 EVM include Software Developer Guides for
Android, Linux, and Windows CE. Please see the setup.htm files on each SD card for
information.
■U-Boot documentation
http://www.denx.de/wiki/U-Boot/WebHome
Hardware Documentation
All of the following links are also available on your “My Account” page on the Logic PD website
(http://support.logicpd.com/auth/).
■Logic PD Zoom AM3517 EVM QuickStart Guide
http://support.logicpd.com/downloads/1376/
■Logic PD AM3517 EVM Hardware Design Files (BOMs, Schematics, and Layout Files for all
boards included in the EVM)
http://support.logicpd.com/downloads/1377/
■Logic PD AM35x SOM-M2 Hardware Specification
http://support.logicpd.com/downloads/1257/