PnR Messages

Report Title PnR Report
Design File C:\quanggit_lab\example_code\UART_tX_1BYTE\impl\gwsynthesis\uart_tx.vg
Physical Constraints File C:\quanggit_lab\example_code\UART_tX_1BYTE\src\uart_tx.cst
Timing Constraints File ---
Tool Version V1.9.11.03 (64-bit)
Part Number GW1N-UV1P5QN48XFC7/I6
Device GW1N-1P5
Device Version C
Created Time Mon Jul 21 10:14:48 2025
Legal Announcement Copyright (C)2014-2025 Gowin Semiconductor Corporation. All rights reserved.

PnR Details

Place & Route Process Running placement: Placement Phase 0: CPU time = 0h 0m 0.004s, Elapsed time = 0h 0m 0.003s Placement Phase 1: CPU time = 0h 0m 0.018s, Elapsed time = 0h 0m 0.019s Placement Phase 2: CPU time = 0h 0m 0.001s, Elapsed time = 0h 0m 0.001s Placement Phase 3: CPU time = 0h 0m 0.513s, Elapsed time = 0h 0m 0.512s Total Placement: CPU time = 0h 0m 0.536s, Elapsed time = 0h 0m 0.535s Running routing: Routing Phase 0: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s Routing Phase 1: CPU time = 0h 0m 0.022s, Elapsed time = 0h 0m 0.021s Routing Phase 2: CPU time = 0h 0m 0.033s, Elapsed time = 0h 0m 0.034s Routing Phase 3: CPU time = 0h 0m 0s, Elapsed time = 0h 0m 0s Total Routing: CPU time = 0h 0m 0.055s, Elapsed time = 0h 0m 0.055s Generate output files: CPU time = 0h 0m 0.167s, Elapsed time = 0h 0m 0.167s
Total Time and Memory Usage CPU time = 0h 0m 0.758s, Elapsed time = 0h 0m 0.757s, Peak memory usage = 247MB

Resource

Resource Usage Summary:

Resource Usage Utilization
Logic 106/1584 7%
    --LUT,ALU,ROM16 106(98 LUT, 8 ALU, 0 ROM16) -
    --SSRAM(RAM16) 0 -
Register 67/1704 4%
    --Logic Register as Latch 0/1584 0%
    --Logic Register as FF 66/1584 5%
    --I/O Register as Latch 0/120 0%
    --I/O Register as FF 1/120 <1%
I/O Port 4/40 10%
I/O Buf 4 -
    --Input Buf 2 -
    --Output Buf 2 -
    --Inout Buf 0 -

I/O Bank Usage Summary:

I/O Bank UsageUtilization
bank 0 0/100%
bank 1 3/1030%
bank 2 0/100%
bank 3 0/20%
bank 4 0/40%
bank 5 1/425%

Clock Resource Usage Summary:

Clock Resource Usage Utilization
PRIMARY 1/8 13%
LW 0/8 0%
GCLK_PIN 2/6 34%

Global Clock Signals:

Signal Global Clock Location
clk_d PRIMARY LEFT RIGHT

Pinout by Port Name:

Port Name Diff Pair Loc./Bank Constraint Dir. Site CFG IO Type Drive Pull Mode PCI Clamp Hysteresis Open Drain Vref Single Resistor Diff Resistor BankVccio
clk - 4/5 Y in IOL6[A] GCLKT_7 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
reset_n - 35/1 Y in IOR1[B] - LVCMOS18 NA UP ON NONE NA NA OFF NA 1.8
uart_tx - 34/1 Y out IOR11[A] GCLKT_2 LVCMOS18 8 NONE NA NA OFF NA NA NA 1.8
led - 28/1 Y out IOR15[B] - LVCMOS18 8 NONE NA NA OFF NA NA NA 1.8

All Package Pins:

Loc./Bank Signal Dir. Site CFG IO Type Drive Pull Mode PCI Clamp Hysteresis Open Drain Vref Single Resistor Diff Resistor Bank Vccio
48/0 - out IOT7[A] TDO LVCMOS18 8 NONE NA NA OFF NA NA NA 1.8
47/0 - in IOT7[B] TDI LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
45/0 - in IOT9[A] TCK LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
44/0 - in IOT9[B] TMS LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
43/0 - in IOT14[A] GCLKT_1 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
42/0 - in IOT14[B] GCLKC_1 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
41/0 - in IOT15[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
40/0 - in IOT15[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
38/0 - in IOT18[A] READY LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
37/0 - in IOT18[B] DONE LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
14/2 - in IOB2[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
15/2 - in IOB2[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
16/2 - in IOB5[A] SCLK LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
17/2 - in IOB5[B] SO LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
18/2 - in IOB7[A] GCLKT_4 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
19/2 - in IOB7[B] GCLKC_4 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
20/2 - in IOB9[A] GCLKT_3 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
21/2 - in IOB9[B] GCLKC_3 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
23/2 - in IOB18[A] SSPI_CS_N LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
24/2 - in IOB18[B] SI LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
2/5 - in IOL4[A] LPLL_T_fb LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
3/5 - in IOL4[B] LPLL_C_fb LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
4/5 clk in IOL6[A] GCLKT_7 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
5/5 - in IOL6[B] GCLKC_7 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
7/4 - in IOL11[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
8/4 - in IOL11[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
9/4 - in IOL12[A] GCLKT_6 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
10/4 - in IOL12[B] GCLKC_6 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
11/3 - in IOL17[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
12/3 - in IOL17[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
36/1 - in IOR1[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
35/1 reset_n in IOR1[B] - LVCMOS18 NA UP ON NONE NA NA OFF NA 1.8
34/1 uart_tx out IOR11[A] GCLKT_2 LVCMOS18 8 NONE NA NA OFF NA NA NA 1.8
33/1 - in IOR11[B] GCLKC_2 LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
32/1 - in IOR13[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
31/1 - in IOR13[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
29/1 - in IOR15[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
28/1 led out IOR15[B] - LVCMOS18 8 NONE NA NA OFF NA NA NA 1.8
27/1 - in IOR17[A] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8
26/1 - in IOR17[B] - LVCMOS18 NA UP ON NONE NA NA NA NA 1.8