Synthesis Messages

Report Title GowinSynthesis Report
Design File D:\Gowin\Gowin_V1.9.11.03_x64\IDE\ipcore\gowin_empu_gw1ns4\data\gowin_empu.v
D:\Gowin\Gowin_V1.9.11.03_x64\IDE\ipcore\gowin_empu_gw1ns4\data\gowin_empu_top.v
GowinSynthesis Constraints File ---
Tool Version V1.9.11.03 (64-bit)
Part Number GW1NSER-LV4CQN48PC7/I6
Device GW1NSER-4C
Created Time Mon Aug 4 15:29:05 2025
Legal Announcement Copyright (C)2014-2025 Gowin Semiconductor Corporation. ALL rights reserved.

Synthesis Details

Top Level Module Gowin_EMPU_Top
Synthesis Process Running parser:
    CPU time = 0h 0m 0.156s, Elapsed time = 0h 0m 0.15s, Peak memory usage = 60.766MB
Running netlist conversion:
    CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.005s, Peak memory usage = 60.766MB
Running device independent optimization:
    Optimizing Phase 0: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0.008s, Peak memory usage = 60.766MB
    Optimizing Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 60.766MB
    Optimizing Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 60.766MB
Running inference:
    Inferring Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 60.766MB
    Inferring Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 60.766MB
    Inferring Phase 2: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 60.766MB
    Inferring Phase 3: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s, Peak memory usage = 60.766MB
Running technical mapping:
    Tech-Mapping Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.002s, Peak memory usage = 60.766MB
    Tech-Mapping Phase 1: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.001s, Peak memory usage = 60.766MB
    Tech-Mapping Phase 2: CPU time = 0h 0m 0.015s, Elapsed time = 0h 0m 0s, Peak memory usage = 60.766MB
    Tech-Mapping Phase 3: CPU time = 0h 0m 0.109s, Elapsed time = 0h 0m 0.151s, Peak memory usage = 87.988MB
    Tech-Mapping Phase 4: CPU time = 0h 0m 0.046s, Elapsed time = 0h 0m 0.087s, Peak memory usage = 87.988MB
Generate output files:
    CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0.043s, Peak memory usage = 87.988MB
Total Time and Memory Usage CPU time = 0h 0m 0.34s, Elapsed time = 0h 0m 0.451s, Peak memory usage = 87.988MB

Resource

Resource Usage Summary

Resource Usage
I/O Port 4
I/O Buf 4
    IBUF 3
    OBUF 1
Register 15
    DFFR 1
    DFFRE 14
LUT 21
    LUT2 17
    LUT3 1
    LUT4 3
INV 5
    INV 5
BSRAM 4
    SDPB 4
User Flash 1
    FLASH256K 1
EMCU 1

Resource Utilization Summary

Resource Usage Utilization
Logic 26(26 LUT, 0 ALU) / 4608 <1%
Register 15 / 3573 <1%
  --Register as Latch 0 / 3573 0%
  --Register as FF 15 / 3573 <1%
BSRAM 4 / 10 40%

Timing

Clock Summary:

NO. Clock Name Type Period Frequency(MHz) Rise Fall Source Master Object
1 sys_clk Base 20.000 50.000 0.000 10.000 sys_clk_ibuf/I

Max Frequency Summary:

NO. Clock Name Constraint Actual Fmax Logic Level Entity
1 sys_clk 50.000(MHz) 229.929(MHz) 3 TOP

Detail Timing Paths Information

Path 1

Path Summary:
Slack 15.651
Data Arrival Time 4.591
Data Required Time 20.242
From Gowin_EMPU_inst/builder_resetinserter_state_1_s7
To Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_12_s0
Launch Clk sys_clk[R]
Latch Clk sys_clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 sys_clk
0.000 0.000 tCL RR 1 sys_clk_ibuf/I
0.000 0.000 tINS RR 23 sys_clk_ibuf/O
0.538 0.538 tNET RR 1 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/CLK
0.878 0.340 tC2Q RF 5 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/Q
1.589 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/I1
2.403 0.814 tINS FF 26 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/F
3.115 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_12_s2/I0
3.879 0.765 tINS FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_12_s2/F
4.591 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_12_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
20.000 0.000 sys_clk
20.000 0.000 tCL RR 1 sys_clk_ibuf/I
20.000 0.000 tINS RR 23 sys_clk_ibuf/O
20.538 0.538 tNET RR 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_12_s0/CLK
20.242 -0.296 tSu 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_12_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 20.000
Logic Level: 3
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%
Arrival Data Path Delay: cell: 1.579, 38.963%; route: 2.134, 52.657%; tC2Q: 0.340, 8.380%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%

Path 2

Path Summary:
Slack 15.651
Data Arrival Time 4.591
Data Required Time 20.242
From Gowin_EMPU_inst/builder_resetinserter_state_1_s7
To Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_0_s0
Launch Clk sys_clk[R]
Latch Clk sys_clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 sys_clk
0.000 0.000 tCL RR 1 sys_clk_ibuf/I
0.000 0.000 tINS RR 23 sys_clk_ibuf/O
0.538 0.538 tNET RR 1 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/CLK
0.878 0.340 tC2Q RF 5 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/Q
1.589 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/I1
2.403 0.814 tINS FF 26 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/F
3.115 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_0_s2/I0
3.879 0.765 tINS FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_0_s2/F
4.591 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_0_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
20.000 0.000 sys_clk
20.000 0.000 tCL RR 1 sys_clk_ibuf/I
20.000 0.000 tINS RR 23 sys_clk_ibuf/O
20.538 0.538 tNET RR 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_0_s0/CLK
20.242 -0.296 tSu 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_0_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 20.000
Logic Level: 3
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%
Arrival Data Path Delay: cell: 1.579, 38.963%; route: 2.134, 52.657%; tC2Q: 0.340, 8.380%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%

Path 3

Path Summary:
Slack 15.651
Data Arrival Time 4.591
Data Required Time 20.242
From Gowin_EMPU_inst/builder_resetinserter_state_1_s7
To Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_1_s0
Launch Clk sys_clk[R]
Latch Clk sys_clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 sys_clk
0.000 0.000 tCL RR 1 sys_clk_ibuf/I
0.000 0.000 tINS RR 23 sys_clk_ibuf/O
0.538 0.538 tNET RR 1 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/CLK
0.878 0.340 tC2Q RF 5 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/Q
1.589 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/I1
2.403 0.814 tINS FF 26 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/F
3.115 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_1_s2/I0
3.879 0.765 tINS FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_1_s2/F
4.591 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_1_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
20.000 0.000 sys_clk
20.000 0.000 tCL RR 1 sys_clk_ibuf/I
20.000 0.000 tINS RR 23 sys_clk_ibuf/O
20.538 0.538 tNET RR 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_1_s0/CLK
20.242 -0.296 tSu 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_1_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 20.000
Logic Level: 3
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%
Arrival Data Path Delay: cell: 1.579, 38.963%; route: 2.134, 52.657%; tC2Q: 0.340, 8.380%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%

Path 4

Path Summary:
Slack 15.651
Data Arrival Time 4.591
Data Required Time 20.242
From Gowin_EMPU_inst/builder_resetinserter_state_1_s7
To Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_2_s0
Launch Clk sys_clk[R]
Latch Clk sys_clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 sys_clk
0.000 0.000 tCL RR 1 sys_clk_ibuf/I
0.000 0.000 tINS RR 23 sys_clk_ibuf/O
0.538 0.538 tNET RR 1 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/CLK
0.878 0.340 tC2Q RF 5 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/Q
1.589 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/I1
2.403 0.814 tINS FF 26 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/F
3.115 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_2_s2/I0
3.879 0.765 tINS FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_2_s2/F
4.591 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_2_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
20.000 0.000 sys_clk
20.000 0.000 tCL RR 1 sys_clk_ibuf/I
20.000 0.000 tINS RR 23 sys_clk_ibuf/O
20.538 0.538 tNET RR 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_2_s0/CLK
20.242 -0.296 tSu 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_2_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 20.000
Logic Level: 3
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%
Arrival Data Path Delay: cell: 1.579, 38.963%; route: 2.134, 52.657%; tC2Q: 0.340, 8.380%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%

Path 5

Path Summary:
Slack 15.651
Data Arrival Time 4.591
Data Required Time 20.242
From Gowin_EMPU_inst/builder_resetinserter_state_1_s7
To Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_3_s0
Launch Clk sys_clk[R]
Latch Clk sys_clk[R]
Data Arrival Path:
AT DELAY TYPE RF FANOUT NODE
0.000 0.000 sys_clk
0.000 0.000 tCL RR 1 sys_clk_ibuf/I
0.000 0.000 tINS RR 23 sys_clk_ibuf/O
0.538 0.538 tNET RR 1 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/CLK
0.878 0.340 tC2Q RF 5 Gowin_EMPU_inst/builder_resetinserter_state_1_s7/Q
1.589 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/I1
2.403 0.814 tINS FF 26 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_ce_s2/F
3.115 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_3_s2/I0
3.879 0.765 tINS FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_resetinserter_next_value_3_s2/F
4.591 0.711 tNET FF 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_3_s0/D
Data Required Path:
AT DELAY TYPE RF FANOUT NODE
20.000 0.000 sys_clk
20.000 0.000 tCL RR 1 sys_clk_ibuf/I
20.000 0.000 tINS RR 23 sys_clk_ibuf/O
20.538 0.538 tNET RR 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_3_s0/CLK
20.242 -0.296 tSu 1 Gowin_EMPU_inst/main_gowinemcu_ahbflash_addr_3_s0
Path Statistics:
Clock Skew: 0.000
Setup Relationship: 20.000
Logic Level: 3
Arrival Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%
Arrival Data Path Delay: cell: 1.579, 38.963%; route: 2.134, 52.657%; tC2Q: 0.340, 8.380%
Required Clock Path Delay: cell: 0.000, 0.000%; route: 0.538, 100.000%