synthesis (usb_slave) Compiler Report Mapper Report Timing Report Performance Summary Clock Relationships Interface Information Detailed Report for Clock: usb_slave|HCLK    Starting Points with Worst Slack    Ending Points with Worst Slack    Worst Path Information Detailed Report for Clock: usb_slave|USB_CLK    Starting Points with Worst Slack    Ending Points with Worst Slack    Worst Path Information Resource Utilization