Laird WB45NBT
Reference Guide
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21
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2.
Connect the USB cable to the computer and then to the WB45NBT.
3.
Install the AT91 USB CDC driver by following these steps:
a.
When the
Found New Hardware dialog pops up and asks if Windows may connect to windows update
choose
No, not this time. Click Next.
b.
Select
Install from a list or specific location (Advanced). Click Next.
c.
Select
Don't search. I will choose the driver to install. Click Next.
d.
Select
Have Disk. Click Next.
e.
Select
Browse.
f.
Navigate to C:\Program Files\ATMEL Corporation\SAM-BA v2.10\drv (
Figure 2
).
Figure 2: Installing the AT91 Driver
g.
Select the file named atm6124_cdc.inf (Summit's driver file) and click Open.
h.
Select OK. A dialog appears, noting the driver is not signed.
i.
Select Continue Anyway.
j.
Wait for the driver to install and then select Finish.
The driver installs itself as a virtual COM port on the PC. This COM port shows up in the device manager under
Windows.
Note: Because this COM port will be needed when starting the SAM-BA utility, remember what COM port is
assigned to this connection.
Software Requirements
Operating System: Windows XP 32-bit
Images listed in Boot Image Description section (available from Summit Data Communications)
SAM-BA flash utility provided by Atmel. This utility is available from Atmel's web site:
http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3883
One modification to the SAM-BA utility configuration file is required. SAM-BA must be configured for the 16-bit
hardware connection between the AT91 CPU and the SDRAM on the WB45NBT module. Because the configuration
file specifies a 32-bit connection by default, this setting must be changed.
