Si501/2/3/4-EVB
Si501/2/3/4-EVB U
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Description
The Silicon Laboratories Si501-2-3-4-EVB is a USB
plug-in board that allows for evaluation of the Si50x
family of CMEMS oscillators. The Si501-2-3-4-EVB
comes completely assembled, tested, and populated
with one Si504 device and three empty expansion sites.
Features
Easy
evaluation of Silicon Laboratories' Si501/
2/3/4 CMEMS oscillators
Windows-compatible control software–Si50x
CMEMS Oscillator EVB GUI
Powered by USB port
Retains device configuration in FLASH for
testing over temperature when not connected to
USB
SMA connectors for output clock connection to
external test equipment or target systems
Test points for direct measurement of device
supply current
On-board voltage regulator with jumper
selectable operation of 1.8, 2.5, or 3.3 V
Figure 1. Si501-2-3-4-EVB Front Side View
Figure 2. Si501-2-3-4-EVB Rear Side View
Rev. 0.1 6/13
Copyright © 2013 by Silicon Laboratories
Si501/2/3/4-EVB
Si501/2/3/4-EVB
1. Quick Start
1. Install the Si50x EVB GUI software by downloading it from
www.silabs.com/Si501-2-3-4-EVB
2. Launch the Si50x EVB GUI software. The following screen should appear on your desktop:
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Rev. 0.1
Si501/2/3/4-EVB
3. Insert the Si501-2-3-4-EVB board into an unused USB port. You should now see same screen as before,
but with a green "check" next to EVB board graphic. EVB is now recognized by GUI software.
Rev. 0.1
3
Si501/2/3/4-EVB
4. Default frequency clock of 100 MHz should now be output from SMA "J1" circled below.
5. To change the output frequency, enter a desired frequency in "New Frequency" field and press "Set
Frequency" button.
6. The Si504 can be placed in any supported Run Mode or Power/Jitter mode by pressing the appropriate
radio buttons. The GUI will automatically update the device.
7. The Freq Adj and Offset Adj tabs are for utilizing the frequency offset feature of the Si504. Use the Offset
Adj tab to enter an offset in terms of PPM. Use the Freq Adj tab to enter an offset in terms of desired
frequency.
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Rev. 0.1
Si501/2/3/4-EVB
1.1. EVB GUI Quick Start Guide
Drop down menus for GUI
reset, updates, data
sheets, user guide, help
Tabs to configure the GUI
to control sample devices
in U2/U3/U4
Return the device to default
Fclk
Change Fclk by entering offset
on the Offset Adj. tab, or by
entering Desired Fclk on Freq
Adj. tab
Change Fclk up (+) or down ( )
by the offset step size.
Offset step size. Changeable.
Offset value in ppm and/or
hex.
Clears all offsets. Fclk reverts
to no offset value.
504JCAB001003DAG 100MHz
CMEMS Oscillator
Enter the desired new Fclk
C1D activity indicator
Mode select
Power vs Period Jitter select
Drive strength select
Figure 3. Main Screen
Rev. 0.1
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