ddr_cntl_a.twr

arm控制FPGA的DDR测试代码

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.125ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay0_col0/delay1"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.212ns.
--------------------------------------------------------------------------------
Slack:    -0.052ns delay1
Error:     0.212ns delay exceeds   0.160ns timing constraint by 0.052ns
From                              To                                 Delay(ns)
SLICE_X2Y102.X                    SLICE_X2Y102.G1                       0.212

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/dqs_delay0_col0/delay2"
        MAXDELAY = 0.16 ns;

 1 item analyzed, 1 timing error detected.
 Maximum net delay is   0.296ns.
--------------------------------------------------------------------------------
Slack:    -0.136ns delay2
Error:     0.296ns delay exceeds   0.160ns timing constraint by 0.136ns
From                              To                                 Delay(ns)
SLICE_X2Y102.Y                    SLICE_X3Y102.G1                       0.296

--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET
        "main_00/top0/data_path0/data_read_controller0/rst_dqs_div_delayed1/delay5"
        MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.148ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/data_read_controller0/rst_dqs_div" MAXDELAY = 3
        ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   2.152ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET
        "main_00/top0/data_path0/data_read_controller0/rst_dqs_div_delayed1/delay3"
        MAXDELAY = 3 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET
        "main_00/top0/data_path0/data_read_controller0/rst_dqs_div_delayed1/delay4"
        MAXDELAY = 3 ns;

 0 items analyzed, 0 timing errors detected.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET
        "main_00/top0/data_path0/data_read_controller0/rst_dqs_div_delayed1/delay1"
        MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.020ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET
        "main_00/top0/data_path0/data_read_controller0/rst_dqs_div_delayed1/delay2"
        MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.125ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_30_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.421ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_20_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.948ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_10_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.093ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_00_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.391ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_31_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.548ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_21_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.210ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_11_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   0.903ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_01_wr_en" MAXDELAY = 2 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.103ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_31_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.785ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_31_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.849ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_31_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.827ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_31_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.333ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_30_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.768ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_30_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.546ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_30_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.859ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_30_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.925ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_21_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.920ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_21_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.566ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_21_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.269ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_21_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.375ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_20_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.466ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_20_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.691ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_20_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.561ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_20_wr_addr<3>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.377ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_11_wr_addr<0>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.479ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_11_wr_addr<1>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.752ns.
--------------------------------------------------------------------------------

================================================================================
Timing constraint: NET "main_00/top0/data_path0/fifo_11_wr_addr<2>" MAXDELAY = 3 ns;

 1 item analyzed, 0 timing errors detected.
 Maximum net delay is   1.646ns.