Xilinx SP601 User Manual page 37

User Pushbutton Switches
The SP601 provides five active high pushbutton switches: SW6, SW4, SW5, SW7 and SW9.
The five pushbuttons all have the same topology as the sample shown in
pushbuttons are assigned as GPIO, and the fifth is assigned as a CPU_RESET.
and
X-Ref Target - Figure 1-25
Table 1-19: Pushbutton Switch Connections
SP601 Hardware User Guide
UG518 (v1.1) August 19, 2009
Table 1-19 describe the pushbutton switches.
VCC1V8
CPU_RESET
Figure 1-25: User Pushbutton Switch (Typical)
FPGA U1 Pin Schematic Netname
P4 GPIO_BUTTON_0
F6 GPIO_BUTTON_1
E4 GPIO_BUTTON_2
F5 GPIO_BUTTON_3
N4 CPU_RESET
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Pushbutton
1 4
P1 P4
2 3
P2 P3
SW9
Detailed Description
Figure 1-25. Four
Figure 1-25
1
R188
4.7K
5%
1/16W
2
UG518_25_070809
Switch Pin
SW6.2
SW4.2
SW5.2
SW7.2
SW9.2
37