SP601 Hardware User Guide www.xilinx.com 35UG518 (v1.1) August 19, 2009Detailed Description13. User I/OThe SP601 provides the following user and general purpose I/O capabilities:• User LEDs• User DIP switch• Pushbutton switches• CPU Reset pushbutton switch• GPIO male pin headerNote: All GPIO location constraints are collected in one partial UCF in Figure 1-27.User LEDsThe SP601 provides four active high, green LEDs, as described in Figure 1-23 andTable 1-17.X-Ref Target - Figure 1-23Figure 1-23: User LEDsTable 1-17: User LEDsReferenceDesignator Signal Name Color Label FPGA PinDS11 GPIO_LED_0 Green E13DS12 GPIO_LED_1 Green C14R9427.41%1/16W12LED-GRN-SMT2DS141UG518_23_070809R9327.41%1/16W12LED-GRN-SMT2DS131R9227.41%1/16W12LED-GRN-SMT2DS121R9127.41%1/16W12LED-GRN-SMT2DS111GPIO LED 3GPIO LED 2GPIO LED 1GPIO LED 0