Synthesis Messages
| Report Title | GowinSynthesis Report |
| Design File | E:\Gowin_Board_5at_SDI\DK_START_GW5AT-LV60PG484A_V1.1\Gowin_SDI_RefDesign_250503_t1_1080_50p_60k484_v1.1_src_audio_loop_lb_la\project\src\sdi_audio_buffer_pro\sdi_audio_buffer_fifo\temp\FIFO\fifo_define.v E:\Gowin_Board_5at_SDI\DK_START_GW5AT-LV60PG484A_V1.1\Gowin_SDI_RefDesign_250503_t1_1080_50p_60k484_v1.1_src_audio_loop_lb_la\project\src\sdi_audio_buffer_pro\sdi_audio_buffer_fifo\temp\FIFO\fifo_parameter.v D:\Gowin\Gowin_V1.9.12_x64\IDE\ipcore\FIFO\data\edc.v D:\Gowin\Gowin_V1.9.12_x64\IDE\ipcore\FIFO\data\fifo.v D:\Gowin\Gowin_V1.9.12_x64\IDE\ipcore\FIFO\data\fifo_top.v |
| GowinSynthesis Constraints File | --- |
| Tool Version | V1.9.12 (64-bit) |
| Part Number | GW5AT-LV60PG484AES |
| Device | GW5AT-60 |
| Device Version | B |
| Created Time | Tue Aug 26 15:55:38 2025 |
| Legal Announcement | Copyright (C)2014-2025 Gowin Semiconductor Corporation. ALL rights reserved. |
Synthesis Details
| Top Level Module | sdi_audio_buffer_fifo |
| Synthesis Process | Running parser: CPU time = 0h 0m 0.328s, Elapsed time = 0h 0m 0.364s, Peak memory usage = 80.016MB Running netlist conversion: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 80.016MB Running device independent optimization: Optimizing Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 80.016MB Optimizing Phase 1: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 80.016MB Optimizing Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.004s, Peak memory usage = 80.016MB Running inference: Inferring Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.006s, Peak memory usage = 80.016MB Inferring Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 80.016MB Inferring Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 80.016MB Inferring Phase 3: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 80.016MB Running technical mapping: Tech-Mapping Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 80.016MB Tech-Mapping Phase 1: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 80.016MB Tech-Mapping Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 80.016MB Tech-Mapping Phase 3: CPU time = 0h 0m 0.14s, Elapsed time = 0h 0m 0.21s, Peak memory usage = 94.418MB Tech-Mapping Phase 4: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.05s, Peak memory usage = 94.418MB Generate output files: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.016s, Peak memory usage = 94.418MB |
| Total Time and Memory Usage | CPU time = 0h 0m 0.498s, Elapsed time = 0h 0m 0.662s, Peak memory usage = 94.418MB |
Resource
Resource Usage Summary
| Resource | Usage |
| I/O Port | 199 |
| I/O Buf | 199 |
|     IBUF | 101 |
|     OBUF | 98 |
| Register | 60 |
|     DFFPE | 5 |
|     DFFCE | 55 |
| LUT | 43 |
|     LUT2 | 8 |
|     LUT3 | 15 |
|     LUT4 | 20 |
| ALU | 6 |
|     ALU | 6 |
| INV | 2 |
|     INV | 2 |
| BSRAM | 3 |
|     SDPB | 3 |
Resource Utilization Summary
| Resource | Usage | Utilization |
| Logic | 51(45 LUT, 6 ALU) / 59904 | <1% |
| Register | 60 / 60780 | <1% |
|   --Register as Latch | 0 / 60780 | 0% |
|   --Register as FF | 60 / 60780 | <1% |
| BSRAM | 3 / 118 | 3% |
Timing
Clock Summary:
| NO. | Clock Name | Type | Period | Frequency(MHz) | Rise | Fall | Source | Master | Object |
|---|---|---|---|---|---|---|---|---|---|
| 1 | RdClk | Base | 10.000 | 100.000 | 0.000 | 5.000 | RdClk_ibuf/I | ||
| 2 | WrClk | Base | 10.000 | 100.000 | 0.000 | 5.000 | WrClk_ibuf/I |
Max Frequency Summary:
| NO. | Clock Name | Constraint | Actual Fmax | Logic Level | Entity |
|---|---|---|---|---|---|
| 1 | RdClk | 100.000(MHz) | 181.901(MHz) | 7 | TOP |
| 2 | WrClk | 100.000(MHz) | 226.436(MHz) | 5 | TOP |
Detail Timing Paths Information
Path 1
Path Summary:| Slack | 4.502 |
| Data Arrival Time | 5.809 |
| Data Required Time | 10.311 |
| From | fifo_inst/rbin_num_0_s0 |
| To | fifo_inst/Empty_s0 |
| Launch Clk | RdClk[R] |
| Latch Clk | RdClk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | RdClk | |||
| 0.000 | 0.000 | tCL | RR | 1 | RdClk_ibuf/I |
| 0.000 | 0.000 | tINS | RR | 33 | RdClk_ibuf/O |
| 0.375 | 0.375 | tNET | RR | 1 | fifo_inst/rbin_num_0_s0/CLK |
| 0.757 | 0.382 | tC2Q | RR | 7 | fifo_inst/rbin_num_0_s0/Q |
| 1.132 | 0.375 | tNET | RR | 1 | fifo_inst/rbin_num_next_2_s5/I0 |
| 1.659 | 0.526 | tINS | RR | 6 | fifo_inst/rbin_num_next_2_s5/F |
| 2.034 | 0.375 | tNET | RR | 1 | fifo_inst/rbin_num_next_2_s3/I1 |
| 2.550 | 0.516 | tINS | RR | 2 | fifo_inst/rbin_num_next_2_s3/F |
| 2.925 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.rgraynext_2_s1/I0 |
| 3.451 | 0.526 | tINS | RR | 2 | fifo_inst/Equal.rgraynext_2_s1/F |
| 3.826 | 0.375 | tNET | RR | 2 | fifo_inst/n536_s0/I0 |
| 4.383 | 0.556 | tINS | RF | 1 | fifo_inst/n536_s0/COUT |
| 4.383 | 0.000 | tNET | FF | 2 | fifo_inst/n537_s0/CIN |
| 4.433 | 0.050 | tINS | FR | 1 | fifo_inst/n537_s0/COUT |
| 4.433 | 0.000 | tNET | RR | 2 | fifo_inst/n538_s0/CIN |
| 4.483 | 0.050 | tINS | RR | 1 | fifo_inst/n538_s0/COUT |
| 4.483 | 0.000 | tNET | RR | 2 | fifo_inst/n539_s0/CIN |
| 4.533 | 0.050 | tINS | RR | 1 | fifo_inst/n539_s0/COUT |
| 4.908 | 0.375 | tNET | RR | 1 | fifo_inst/rempty_val_s1/I0 |
| 5.434 | 0.526 | tINS | RR | 1 | fifo_inst/rempty_val_s1/F |
| 5.809 | 0.375 | tNET | RR | 1 | fifo_inst/Empty_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | RdClk | |||
| 10.000 | 0.000 | tCL | RR | 1 | RdClk_ibuf/I |
| 10.000 | 0.000 | tINS | RR | 33 | RdClk_ibuf/O |
| 10.375 | 0.375 | tNET | RR | 1 | fifo_inst/Empty_s0/CLK |
| 10.311 | -0.064 | tSu | 1 | fifo_inst/Empty_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 7 |
| Arrival Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
| Arrival Data Path Delay: | cell: 2.801, 51.553%; route: 2.250, 41.408%; tC2Q: 0.382, 7.039% |
| Required Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
Path 2
Path Summary:| Slack | 5.584 |
| Data Arrival Time | 4.727 |
| Data Required Time | 10.311 |
| From | fifo_inst/Full_s0 |
| To | fifo_inst/Full_s0 |
| Launch Clk | WrClk[R] |
| Latch Clk | WrClk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | WrClk | |||
| 0.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 0.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 0.375 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/CLK |
| 0.757 | 0.382 | tC2Q | RR | 6 | fifo_inst/Full_s0/Q |
| 1.132 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_2_s1/I0 |
| 1.659 | 0.526 | tINS | RR | 10 | fifo_inst/Equal.wgraynext_2_s1/F |
| 2.034 | 0.375 | tNET | RR | 1 | fifo_inst/wfull_val_s4/I1 |
| 2.550 | 0.516 | tINS | RR | 1 | fifo_inst/wfull_val_s4/F |
| 2.925 | 0.375 | tNET | RR | 1 | fifo_inst/wfull_val_s1/I0 |
| 3.451 | 0.526 | tINS | RR | 1 | fifo_inst/wfull_val_s1/F |
| 3.826 | 0.375 | tNET | RR | 1 | fifo_inst/wfull_val_s0/I0 |
| 4.352 | 0.526 | tINS | RR | 1 | fifo_inst/wfull_val_s0/F |
| 4.727 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | WrClk | |||
| 10.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 10.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 10.375 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/CLK |
| 10.311 | -0.064 | tSu | 1 | fifo_inst/Full_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 5 |
| Arrival Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
| Arrival Data Path Delay: | cell: 2.095, 48.133%; route: 1.875, 43.079%; tC2Q: 0.382, 8.788% |
| Required Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
Path 3
Path Summary:| Slack | 6.485 |
| Data Arrival Time | 3.826 |
| Data Required Time | 10.311 |
| From | fifo_inst/Full_s0 |
| To | fifo_inst/Equal.wbin_4_s0 |
| Launch Clk | WrClk[R] |
| Latch Clk | WrClk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | WrClk | |||
| 0.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 0.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 0.375 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/CLK |
| 0.757 | 0.382 | tC2Q | RR | 6 | fifo_inst/Full_s0/Q |
| 1.132 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_2_s1/I0 |
| 1.659 | 0.526 | tINS | RR | 10 | fifo_inst/Equal.wgraynext_2_s1/F |
| 2.034 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_5_s2/I0 |
| 2.560 | 0.526 | tINS | RR | 3 | fifo_inst/Equal.wgraynext_5_s2/F |
| 2.935 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbinnext_4_s3/I1 |
| 3.451 | 0.516 | tINS | RR | 1 | fifo_inst/Equal.wbinnext_4_s3/F |
| 3.826 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbin_4_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | WrClk | |||
| 10.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 10.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 10.375 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbin_4_s0/CLK |
| 10.311 | -0.064 | tSu | 1 | fifo_inst/Equal.wbin_4_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 4 |
| Arrival Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
| Arrival Data Path Delay: | cell: 1.569, 45.454%; route: 1.500, 43.463%; tC2Q: 0.382, 11.083% |
| Required Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
Path 4
Path Summary:| Slack | 6.485 |
| Data Arrival Time | 3.826 |
| Data Required Time | 10.311 |
| From | fifo_inst/Full_s0 |
| To | fifo_inst/Equal.wbin_5_s0 |
| Launch Clk | WrClk[R] |
| Latch Clk | WrClk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | WrClk | |||
| 0.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 0.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 0.375 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/CLK |
| 0.757 | 0.382 | tC2Q | RR | 6 | fifo_inst/Full_s0/Q |
| 1.132 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_2_s1/I0 |
| 1.659 | 0.526 | tINS | RR | 10 | fifo_inst/Equal.wgraynext_2_s1/F |
| 2.034 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_5_s2/I0 |
| 2.560 | 0.526 | tINS | RR | 3 | fifo_inst/Equal.wgraynext_5_s2/F |
| 2.935 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbinnext_5_s3/I1 |
| 3.451 | 0.516 | tINS | RR | 1 | fifo_inst/Equal.wbinnext_5_s3/F |
| 3.826 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbin_5_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | WrClk | |||
| 10.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 10.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 10.375 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wbin_5_s0/CLK |
| 10.311 | -0.064 | tSu | 1 | fifo_inst/Equal.wbin_5_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 4 |
| Arrival Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
| Arrival Data Path Delay: | cell: 1.569, 45.454%; route: 1.500, 43.463%; tC2Q: 0.382, 11.083% |
| Required Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
Path 5
Path Summary:| Slack | 6.485 |
| Data Arrival Time | 3.826 |
| Data Required Time | 10.311 |
| From | fifo_inst/Full_s0 |
| To | fifo_inst/Equal.wptr_5_s0 |
| Launch Clk | WrClk[R] |
| Latch Clk | WrClk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | WrClk | |||
| 0.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 0.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 0.375 | 0.375 | tNET | RR | 1 | fifo_inst/Full_s0/CLK |
| 0.757 | 0.382 | tC2Q | RR | 6 | fifo_inst/Full_s0/Q |
| 1.132 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_2_s1/I0 |
| 1.659 | 0.526 | tINS | RR | 10 | fifo_inst/Equal.wgraynext_2_s1/F |
| 2.034 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_5_s2/I0 |
| 2.560 | 0.526 | tINS | RR | 3 | fifo_inst/Equal.wgraynext_5_s2/F |
| 2.935 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wgraynext_5_s0/I1 |
| 3.451 | 0.516 | tINS | RR | 1 | fifo_inst/Equal.wgraynext_5_s0/F |
| 3.826 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wptr_5_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | WrClk | |||
| 10.000 | 0.000 | tCL | RR | 1 | WrClk_ibuf/I |
| 10.000 | 0.000 | tINS | RR | 33 | WrClk_ibuf/O |
| 10.375 | 0.375 | tNET | RR | 1 | fifo_inst/Equal.wptr_5_s0/CLK |
| 10.311 | -0.064 | tSu | 1 | fifo_inst/Equal.wptr_5_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 4 |
| Arrival Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |
| Arrival Data Path Delay: | cell: 1.569, 45.454%; route: 1.500, 43.463%; tC2Q: 0.382, 11.083% |
| Required Clock Path Delay: | cell: 0.000, 0.000%; route: 0.375, 100.000% |