Xilinx ISE
官方源代码盘第九章
源代码在线查看： stopwatch.plg
@P: Worst Slack : 0.884
@P: clk - Estimated Frequency : 131.7 MHz
@P: clk - Requested Frequency : 100.0 MHz
@P: clk - Estimated Period : 7.594
@P: clk - Requested Period : 10.000
@P: clk - Slack : 2.406
@P: stopwatch|XLXI_16.CLK0_BUF_derived_clock - Estimated Frequency : 138.7 MHz
@P: stopwatch|XLXI_16.CLK0_BUF_derived_clock - Requested Frequency : 100.0 MHz
@P: stopwatch|XLXI_16.CLK0_BUF_derived_clock - Estimated Period : 7.210
@P: stopwatch|XLXI_16.CLK0_BUF_derived_clock - Requested Period : 10.000
@P: stopwatch|XLXI_16.CLK0_BUF_derived_clock - Slack : 2.790
@P: stopwatch|rst_int_inferred_clock - Estimated Frequency : 109.7 MHz
@P: stopwatch|rst_int_inferred_clock - Requested Frequency : 100.0 MHz
@P: stopwatch|rst_int_inferred_clock - Estimated Period : 9.116
@P: stopwatch|rst_int_inferred_clock - Requested Period : 10.000
@P: stopwatch|rst_int_inferred_clock - Slack : 0.884
@P: System - Estimated Frequency : 149.0 MHz
@P: System - Requested Frequency : 100.0 MHz
@P: System - Estimated Period : 6.713
@P: System - Requested Period : 10.000
@P: System - Slack : 3.287
@P: stopwatch Part : xc2v80fg256-6
@P: stopwatch I/O primitives : 27
@P: stopwatch I/O Register bits : 0
@P: stopwatch Register bits (Non I/O) : 15 (1%)
@P: stopwatch Total Luts : 47 (4%)
