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24 www.xilinx.com SP605 Hardware User Guide
UG526 (v1.1.1) February 1, 2010
Chapter 1: SP605 Evaluation Board
Oscillator Socket (Single-Ended, 2.5V or 3.3V)
One populated single-ended clock socket (X2) is provided for user applications. The option
of 2.5V or 3.3V power may be selected via a 0 ohm resistor selection. The SP605 board is
shipped with a 27 MHz 2.5V oscillator installed.
Figure 1-8 shows the unpopulated user oscillator socket. This figure indicates the socket
pin 1 location. Figure 1-9 shows the oscillator installed, with its pin 1 location identifiers.
X-Ref Target - Figure 1-8
Figure 1-8: SP605 X2 Oscillator Socket Pin 1 Location Identifiers
X-Ref Target - Figure 1-9
Figure 1-9: SP605 X2 Oscillator Pin 1 Location Identifiers
Silkscreened outline
has beveled corner
UG526_08_100509
Socket has notch
in crossbar
Oscillator top has
corner dot marking
UG526_09_100509
Oscillator body has
one square corner