Synthesis Messages
| Report Title | GowinSynthesis Report |
| Design File | C:\Gowin\Gowin_V1.9.9.01_x64\IDE\ipcore\PSRAM_HS\data\PSRAM_TOP.v C:\Gowin\Gowin_V1.9.9.01_x64\IDE\ipcore\PSRAM_HS\data\psram_code.v |
| GowinSynthesis Constraints File | --- |
| Tool Version | V1.9.9.01 (64-bit) |
| Part Number | GW2AR-LV18QN88PC8/I7 |
| Device | GW2AR-18 |
| Device Version | C |
| Created Time | Wed Jan 10 10:15:43 2024 |
| Legal Announcement | Copyright (C)2014-2024 Gowin Semiconductor Corporation. ALL rights reserved. |
Synthesis Details
| Top Level Module | PSRAM_Memory_Interface_HS_Top |
| Synthesis Process | Running parser: CPU time = 0h 0m 0.328s, Elapsed time = 0h 0m 0.36s, Peak memory usage = 49.637MB Running netlist conversion: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.02s, Peak memory usage = 49.637MB Running device independent optimization: Optimizing Phase 0: CPU time = 0h 0m 0.062s, Elapsed time = 0h 0m 0.072s, Peak memory usage = 49.637MB Optimizing Phase 1: CPU time = 0h 0m 0.046s, Elapsed time = 0h 0m 0.047s, Peak memory usage = 49.637MB Optimizing Phase 2: CPU time = 0h 0m 0.078s, Elapsed time = 0h 0m 0.074s, Peak memory usage = 49.637MB Running inference: Inferring Phase 0: CPU time = 0h 0m 0.031s, Elapsed time = 0h 0m 0.03s, Peak memory usage = 49.637MB Inferring Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 49.637MB Inferring Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.007s, Peak memory usage = 49.637MB Inferring Phase 3: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.003s, Peak memory usage = 49.637MB Running technical mapping: Tech-Mapping Phase 0: CPU time = 0h 0m 0.093s, Elapsed time = 0h 0m 0.085s, Peak memory usage = 49.637MB Tech-Mapping Phase 1: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.012s, Peak memory usage = 49.637MB Tech-Mapping Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.009s, Peak memory usage = 49.637MB Tech-Mapping Phase 3: CPU time = 0h 0m 1s, Elapsed time = 0h 0m 1s, Peak memory usage = 78.688MB Tech-Mapping Phase 4: CPU time = 0h 0m 0.125s, Elapsed time = 0h 0m 0.135s, Peak memory usage = 78.688MB Generate output files: CPU time = 0h 0m 0.078s, Elapsed time = 0h 0m 0.08s, Peak memory usage = 78.688MB |
| Total Time and Memory Usage | CPU time = 0h 0m 1s, Elapsed time = 0h 0m 1s, Peak memory usage = 78.688MB |
Resource
Resource Usage Summary
| Resource | Usage |
| I/O Port | 166 |
| Embedded Port | 26 |
| I/O Buf | 190 |
|     IBUF | 99 |
|     OBUF | 71 |
|     IOBUF | 18 |
|     ELVDS_OBUF | 2 |
| Register | 516 |
|     DFF | 1 |
|     DFFP | 3 |
|     DFFPE | 6 |
|     DFFC | 289 |
|     DFFCE | 217 |
| LUT | 858 |
|     LUT2 | 181 |
|     LUT3 | 331 |
|     LUT4 | 346 |
| ALU | 42 |
|     ALU | 42 |
| INV | 6 |
|     INV | 6 |
| IOLOGIC | 56 |
|     IDES4 | 16 |
|     OSER4 | 22 |
|     IODELAY | 18 |
| BSRAM | 2 |
|     SDPX9B | 2 |
| CLOCK | 2 |
|     CLKDIV | 1 |
|     DHCEN | 1 |
Resource Utilization Summary
| Resource | Usage | Utilization |
| Logic | 906(864 LUT, 42 ALU) / 20736 | 5% |
| Register | 516 / 15828 | 4% |
|   --Register as Latch | 0 / 15828 | 0% |
|   --Register as FF | 516 / 15828 | 4% |
| BSRAM | 2 / 46 | 5% |
Timing
Clock Summary:
| Clock Name | Type | Period | Frequency(MHz) | Rise | Fall | Source | Master | Object |
|---|---|---|---|---|---|---|---|---|
| memory_clk | Base | 10.000 | 100.0 | 0.000 | 5.000 | memory_clk_ibuf/I | ||
| clk | Base | 10.000 | 100.0 | 0.000 | 5.000 | clk_ibuf/I | ||
| u_psram_top/clkdiv/CLKOUT.default_gen_clk | Generated | 20.000 | 50.0 | 0.000 | 10.000 | memory_clk_ibuf/I | memory_clk | u_psram_top/clkdiv/CLKOUT |
Max Frequency Summary:
| No. | Clock Name | Constraint | Actual Fmax | Logic Level | Entity |
|---|---|---|---|---|---|
| 1 | clk | 100.0(MHz) | 283.1(MHz) | 5 | TOP |
| 2 | u_psram_top/clkdiv/CLKOUT.default_gen_clk | 50.0(MHz) | 277.1(MHz) | 5 | TOP |
Detail Timing Paths Information
Path 1
Path Summary:| Slack | 4.372 |
| Data Arrival Time | 1.332 |
| Data Required Time | 5.704 |
| From | u_psram_top/u_psram_sync/cs_memsync_4_s0 |
| To | u_psram_top/u_dqce_clk_x2p |
| Launch Clk | clk[F] |
| Latch Clk | memory_clk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | clk | |||
| 0.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 0.683 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 0.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_4_s0/CLK |
| 1.095 | 0.232 | tC2Q | RF | 6 | u_psram_top/u_psram_sync/cs_memsync_4_s0/Q |
| 1.332 | 0.237 | tNET | FF | 1 | u_psram_top/u_dqce_clk_x2p/CE |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 5.000 | 0.000 | memory_clk | |||
| 5.000 | 0.000 | tCL | FF | 1 | memory_clk_ibuf/I |
| 5.688 | 0.688 | tINS | FF | 1 | memory_clk_ibuf/O |
| 5.924 | 0.237 | tNET | FF | 3 | u_psram_top/u_dqce_clk_x2p/CLKIN |
| 5.890 | -0.035 | tUnc | u_psram_top/u_dqce_clk_x2p | ||
| 5.704 | -0.186 | tSu | 1 | u_psram_top/u_dqce_clk_x2p |
| Clock Skew: | 0.062 |
| Setup Relationship: | 5.000 |
| Logic Level: | 1 |
| Arrival Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
| Arrival Data Path Delay: | cell: 0.000, 0.000%; route: 0.237, 50.533%; tC2Q: 0.232, 49.467% |
| Required Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
Path 2
Path Summary:| Slack | 6.468 |
| Data Arrival Time | 4.360 |
| Data Required Time | 10.828 |
| From | u_psram_top/u_psram_sync/cs_memsync_0_s0 |
| To | u_psram_top/u_psram_sync/cs_memsync_1_s0 |
| Launch Clk | clk[R] |
| Latch Clk | clk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | clk | |||
| 0.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 0.683 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 0.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0/CLK |
| 1.095 | 0.232 | tC2Q | RF | 9 | u_psram_top/u_psram_sync/cs_memsync_0_s0/Q |
| 1.332 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n293_s14/I1 |
| 1.887 | 0.555 | tINS | FF | 2 | u_psram_top/u_psram_sync/n293_s14/F |
| 2.124 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n304_s13/I1 |
| 2.679 | 0.555 | tINS | FF | 5 | u_psram_top/u_psram_sync/n304_s13/F |
| 2.916 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n359_s9/I2 |
| 3.369 | 0.453 | tINS | FF | 2 | u_psram_top/u_psram_sync/n359_s9/F |
| 3.606 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n326_s12/I0 |
| 4.123 | 0.517 | tINS | FF | 1 | u_psram_top/u_psram_sync/n326_s12/F |
| 4.360 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/cs_memsync_1_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | clk | |||
| 10.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 10.682 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 10.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_1_s0/CLK |
| 10.828 | -0.035 | tSu | 1 | u_psram_top/u_psram_sync/cs_memsync_1_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 5 |
| Arrival Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
| Arrival Data Path Delay: | cell: 2.080, 59.480%; route: 1.185, 33.886%; tC2Q: 0.232, 6.634% |
| Required Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
Path 3
Path Summary:| Slack | 6.468 |
| Data Arrival Time | 4.359 |
| Data Required Time | 10.828 |
| From | u_psram_top/u_psram_sync/cs_memsync_0_s0 |
| To | u_psram_top/u_psram_sync/flag_1_s0 |
| Launch Clk | clk[R] |
| Latch Clk | clk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | clk | |||
| 0.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 0.683 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 0.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0/CLK |
| 1.095 | 0.232 | tC2Q | RF | 9 | u_psram_top/u_psram_sync/cs_memsync_0_s0/Q |
| 1.332 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n293_s14/I1 |
| 1.887 | 0.555 | tINS | FF | 2 | u_psram_top/u_psram_sync/n293_s14/F |
| 2.124 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n304_s13/I1 |
| 2.679 | 0.555 | tINS | FF | 5 | u_psram_top/u_psram_sync/n304_s13/F |
| 2.916 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n348_s8/I0 |
| 3.433 | 0.517 | tINS | FF | 1 | u_psram_top/u_psram_sync/n348_s8/F |
| 3.670 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n348_s5/I2 |
| 4.122 | 0.453 | tINS | FF | 1 | u_psram_top/u_psram_sync/n348_s5/F |
| 4.359 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/flag_1_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | clk | |||
| 10.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 10.682 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 10.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/flag_1_s0/CLK |
| 10.828 | -0.035 | tSu | 1 | u_psram_top/u_psram_sync/flag_1_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 5 |
| Arrival Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
| Arrival Data Path Delay: | cell: 2.080, 59.480%; route: 1.185, 33.886%; tC2Q: 0.232, 6.634% |
| Required Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
Path 4
Path Summary:| Slack | 6.532 |
| Data Arrival Time | 4.296 |
| Data Required Time | 10.828 |
| From | u_psram_top/u_psram_sync/cs_memsync_0_s0 |
| To | u_psram_top/u_psram_sync/cs_memsync_0_s0 |
| Launch Clk | clk[R] |
| Latch Clk | clk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | clk | |||
| 0.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 0.683 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 0.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0/CLK |
| 1.095 | 0.232 | tC2Q | RF | 9 | u_psram_top/u_psram_sync/cs_memsync_0_s0/Q |
| 1.332 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n293_s14/I1 |
| 1.887 | 0.555 | tINS | FF | 2 | u_psram_top/u_psram_sync/n293_s14/F |
| 2.124 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n304_s13/I1 |
| 2.679 | 0.555 | tINS | FF | 5 | u_psram_top/u_psram_sync/n304_s13/F |
| 2.916 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n337_s14/I2 |
| 3.369 | 0.453 | tINS | FF | 1 | u_psram_top/u_psram_sync/n337_s14/F |
| 3.606 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n337_s12/I2 |
| 4.059 | 0.453 | tINS | FF | 1 | u_psram_top/u_psram_sync/n337_s12/F |
| 4.296 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | clk | |||
| 10.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 10.682 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 10.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0/CLK |
| 10.828 | -0.035 | tSu | 1 | u_psram_top/u_psram_sync/cs_memsync_0_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 5 |
| Arrival Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
| Arrival Data Path Delay: | cell: 2.016, 58.724%; route: 1.185, 34.518%; tC2Q: 0.232, 6.758% |
| Required Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
Path 5
Path Summary:| Slack | 6.550 |
| Data Arrival Time | 4.278 |
| Data Required Time | 10.828 |
| From | u_psram_top/u_psram_sync/cs_memsync_5_s0 |
| To | u_psram_top/u_psram_sync/cs_memsync_2_s0 |
| Launch Clk | clk[R] |
| Latch Clk | clk[R] |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 0.000 | 0.000 | clk | |||
| 0.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 0.683 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 0.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_5_s0/CLK |
| 1.095 | 0.232 | tC2Q | RF | 7 | u_psram_top/u_psram_sync/cs_memsync_5_s0/Q |
| 1.332 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n359_s8/I1 |
| 1.887 | 0.555 | tINS | FF | 3 | u_psram_top/u_psram_sync/n359_s8/F |
| 2.124 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n348_s13/I0 |
| 2.641 | 0.517 | tINS | FF | 3 | u_psram_top/u_psram_sync/n348_s13/F |
| 2.878 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n315_s14/I1 |
| 3.433 | 0.555 | tINS | FF | 1 | u_psram_top/u_psram_sync/n315_s14/F |
| 3.670 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/n315_s12/I3 |
| 4.041 | 0.371 | tINS | FF | 1 | u_psram_top/u_psram_sync/n315_s12/F |
| 4.278 | 0.237 | tNET | FF | 1 | u_psram_top/u_psram_sync/cs_memsync_2_s0/D |
| AT | DELAY | TYPE | RF | FANOUT | NODE |
|---|---|---|---|---|---|
| 10.000 | 0.000 | clk | |||
| 10.000 | 0.000 | tCL | RR | 1 | clk_ibuf/I |
| 10.682 | 0.683 | tINS | RR | 31 | clk_ibuf/O |
| 10.863 | 0.180 | tNET | RR | 1 | u_psram_top/u_psram_sync/cs_memsync_2_s0/CLK |
| 10.828 | -0.035 | tSu | 1 | u_psram_top/u_psram_sync/cs_memsync_2_s0 |
| Clock Skew: | 0.000 |
| Setup Relationship: | 10.000 |
| Logic Level: | 5 |
| Arrival Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |
| Arrival Data Path Delay: | cell: 1.998, 58.506%; route: 1.185, 34.700%; tC2Q: 0.232, 6.794% |
| Required Clock Path Delay: | cell: 0.683, 79.130%; route: 0.180, 20.870% |