Pin Messages
| Report Title | Pin Report |
| Design File | D:\Gowin\GowinUSB\USBTestDemoScipt\USBTestDemoScipt\USB20TestDemoScipt\prj18k_usb2_loopback_speed\prj18k_usb2_loopback_speed_single_lvds\project\impl\gwsynthesis\gowin_usb_refdesign.vg |
| Physical Constraints File | D:\Gowin\GowinUSB\USBTestDemoScipt\USBTestDemoScipt\USB20TestDemoScipt\prj18k_usb2_loopback_speed\prj18k_usb2_loopback_speed_single_lvds\project\src\usb_ref.cst |
| Timing Constraints File | D:\Gowin\GowinUSB\USBTestDemoScipt\USBTestDemoScipt\USB20TestDemoScipt\prj18k_usb2_loopback_speed\prj18k_usb2_loopback_speed_single_lvds\project\src\usb_ref.sdc |
| Tool Version | V1.9.12 (64-bit) |
| Part Number | GW2AR-LV18QN88PFC7/I6 |
| Device | GW2AR-18 |
| Device Version | C |
| Created Time | Wed Nov 5 09:20:22 2025 |
| Legal Announcement | Copyright (C)2014-2025 Gowin Semiconductor Corporation. All rights reserved. |
Pin Details
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_IN | - | 10/6 | Y | in | IOL29[A] | GCLKT_6 | LVCMOS33 | NA | UP | ON | NONE | NA | NA | OFF | NA | 3.3 |
| LED | - | 63/3 | N | out | IOR29[A] | GCLKT_3 | LVCMOS18 | 8 | UP | NA | NA | OFF | NA | OFF | NA | 1.8 |
| usb_pullup_en_o | - | 80/0 | Y | out | IOT27[A] | GCLKT_0 | LVCMOS33 | 8 | NONE | NA | NA | OFF | NA | NA | NA | 3.3 |
| usb_dxp_io | usb_dxn_io | 73/1 | Y | io | IOT40[A] | - | LVCMOS33D | 4 | NONE | NA | NA | NA | NA | NA | NA | 3.3 |
| usb_dxn_io | usb_dxp_io | 72/1 | Y | io | IOT40[B] | - | LVCMOS33D | 4 | UP | NA | NA | NA | NA | NA | NA | 3.3 |
| usb_term_dp_io | - | 75/1 | Y | io | IOT34[A] | - | LVCMOS33 | 8 | NONE | NA | NONE | OFF | NA | NA | NA | 3.3 |
| usb_term_dn_io | - | 74/1 | Y | io | IOT34[B] | - | LVCMOS33 | 8 | NONE | NA | NONE | OFF | NA | NA | NA | 3.3 |
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 |
| 86/0 | - | in | IOT4[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 85/0 | - | in | IOT4[B] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 84/0 | - | in | IOT6[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 83/0 | - | in | IOT6[B] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 82/0 | - | in | IOT17[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 81/0 | - | in | IOT17[B] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 80/0 | usb_pullup_en_o | out | IOT27[A] | GCLKT_0 | LVCMOS33 | 8 | NONE | NA | NA | OFF | NA | NA | NA | 3.3 |
| 79/0 | - | in | IOT27[B] | GCLKC_0 | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 77/1 | usb_rxdp_i(p) | in | IOT30[A] | GCLKT_1 | LVDS25 | NA | NONE | NA | NA | NA | NA | NA | OFF | 3.3 |
| 76/1 | usb_rxdp_i(n) | in | IOT30[B] | GCLKC_1 | LVDS25 | NA | NA | NA | NA | NA | NA | NA | OFF | 3.3 |
| 75/1 | usb_term_dp_io | io | IOT34[A] | - | LVCMOS33 | 8 | NONE | NA | NONE | OFF | NA | NA | NA | 3.3 |
| 74/1 | usb_term_dn_io | io | IOT34[B] | - | LVCMOS33 | 8 | NONE | NA | NONE | OFF | NA | NA | NA | 3.3 |
| 73/1 | usb_dxp_io | io | IOT40[A] | - | LVCMOS33D | 4 | NONE | NA | NA | NA | NA | NA | NA | 3.3 |
| 72/1 | usb_dxn_io | io | IOT40[B] | - | LVCMOS33D | 4 | UP | NA | NA | NA | NA | NA | NA | 3.3 |
| 71/1 | usb_rxdn_i(p) | in | IOT44[A] | - | LVDS25 | NA | NONE | NA | NA | NA | NA | NA | OFF | 3.3 |
| 70/1 | usb_rxdn_i(n) | in | IOT44[B] | - | LVDS25 | NA | NA | NA | NA | NA | NA | NA | OFF | 3.3 |
| 69/1 | - | in | IOT50[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 25/5 | - | in | IOB6[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 26/5 | - | in | IOB6[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 27/5 | - | in | IOB8[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 28/5 | - | in | IOB8[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 29/5 | - | in | IOB14[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 30/5 | - | in | IOB14[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 31/5 | - | in | IOB18[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 32/5 | - | in | IOB18[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 33/5 | - | in | IOB24[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 34/5 | - | in | IOB24[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 35/4 | - | in | IOB30[A] | GCLKT_4 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 36/4 | - | in | IOB30[B] | GCLKC_4 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 37/4 | - | in | IOB34[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 38/4 | - | in | IOB34[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 39/4 | - | in | IOB40[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 40/4 | - | in | IOB40[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 42/4 | - | in | IOB42[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 41/4 | - | in | IOB43[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| p1-14/7 | - | in | IOL3[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-13/7 | - | in | IOL3[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-12/7 | - | in | IOL4[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-11/7 | - | in | IOL6[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-10/7 | - | in | IOL6[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| 4/7 | - | in | IOL7[A] | LPLL1_T_in | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| p1-9/7 | - | in | IOL8[A] | LPLL1_T_fb | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-8/7 | - | in | IOL8[B] | LPLL1_C_fb | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-7/7 | - | in | IOL9[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-6/7 | - | in | IOL9[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-5/7 | - | in | IOL11[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-4/7 | - | in | IOL12[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-3/7 | - | in | IOL13[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p1-2/7 | - | in | IOL15[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-14/7 | - | in | IOL17[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-13/7 | - | in | IOL17[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-12/7 | - | in | IOL18[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-11/7 | - | in | IOL18[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-10/7 | - | in | IOL20[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-9/7 | - | in | IOL20[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-8/7 | - | in | IOL22[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-7/7 | - | in | IOL24[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-6/7 | - | in | IOL24[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-5/7 | - | in | IOL25[A] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-4/7 | - | in | IOL25[B] | - | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-3/7 | - | in | IOL27[A] | GCLKT_7 | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| p2-2/7 | - | in | IOL27[B] | GCLKC_7 | LVCMOS18 | - | UP | - | - | - | - | - | - | - |
| 10/6 | CLK_IN | in | IOL29[A] | GCLKT_6 | LVCMOS33 | NA | UP | ON | NONE | NA | NA | OFF | NA | 3.3 |
| 11/6 | - | in | IOL29[B] | GCLKC_6 | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 13/6 | - | in | IOL45[A] | LPLL2_T_in | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 15/6 | - | in | IOL47[A] | LPLL2_T_fb | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 16/6 | - | in | IOL47[B] | LPLL2_C_fb | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 17/6 | - | in | IOL49[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 18/6 | - | in | IOL49[B] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 19/6 | - | in | IOL51[A] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 20/6 | - | in | IOL51[B] | - | LVCMOS33 | NA | UP | ON | NONE | NA | NA | NA | NA | 3.3 |
| 8/2 | - | out | IOR25[A] | TDO | LVCMOS18 | 8 | UP | NA | NA | OFF | NA | NA | NA | 1.8 |
| 5/2 | - | in | IOR25[B] | TMS | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 6/2 | - | in | IOR26[A] | TCK | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 7/2 | - | in | IOR26[B] | TDI | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 63/3 | LED | out | IOR29[A] | GCLKT_3 | LVCMOS18 | 8 | UP | NA | NA | OFF | NA | OFF | NA | 1.8 |
| 88/3 | - | in | IOR30[A] | MODE0 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 87/3 | - | in | IOR30[B] | MODE1 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 9/3 | - | in | IOR31[B] | RECONFIG_N | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 62/3 | - | in | IOR33[A] | MI/D7 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 61/3 | - | in | IOR33[B] | MO/D6 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 60/3 | - | in | IOR34[A] | MCS_N/D5 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 59/3 | - | in | IOR34[B] | MCLK/D4 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 57/3 | - | in | IOR35[A] | FASTRD_N/D3 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 56/3 | - | in | IOR36[A] | SO/D1 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 55/3 | - | in | IOR36[B] | SSPI_CS_N/D0 | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 54/3 | - | in | IOR38[A] | DIN/CLKHOLD_N | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 53/3 | - | in | IOR38[B] | DOUT/WE_N | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 52/3 | - | in | IOR39[A] | SCLK | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 51/3 | - | in | IOR45[A] | RPLL2_T_in | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 49/3 | - | in | IOR49[A] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |
| 48/3 | - | in | IOR49[B] | - | LVCMOS18 | NA | UP | ON | NONE | NA | NA | NA | NA | 1.8 |