Valon Technology 5009 Operations Manual – Version 1.36
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Figure 2 5000term.exe terminal program provides a convenient method of direct synthesizer control using simple
commands.
Links to our GUI and terminal program are shown below in the Quick Start section 2.0.
Also available is a direct 3.3V TTL serial interface at the USER PORT. This allows the same
command set to be sent directly to the ARM processor from a host processor without requiring
any USB connection. This port can also be used with the optional external RS-232 to TTL serial
adapter. This 3V TTL/CMOS port is also 5V tolerant. For more information on this port, see
section 5.
The default baud rates are 9600 for the USB port and 115200 for the USER PORT. Either port
can be set to 9600, 19200, 38400, 57600, 115200, 230400, 460800, or 921600.
1.5
Setting the Baud Rate
The USB port baud rate can be changed using the baud command as in "baud 115200" which
changes the synthesizer baud rate from the default value of 9600 to 115200. However, once the
baud rate has been change it will be necessary to exit the terminal program using "ctrl C"
because communication will no longer be possible. To reestablish communication, restart the
terminal program with the corresponding baud rate. When using 5000term.exe, the command
would be "5000term -r115200. Note: If you want the baud rate to persist after power down,
use the SAVe command.
1.6
Safety
The 5009 Dual Frequency Synthesizer operates on an external, user provided, low-voltage
power supply. The user is responsible for ensuring the safety of the power source and any
components or equipment connected to it including this one. The 5009 can be connected to any
number of external components and care should be taken to fully understand the safety issues
with these connections. Valon Technology is not responsible for any damage this equipment
causes to any other equipment connected to or used with it in any way.
