| /** |
| * Copyright 2020 The SkyWater PDK Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| `ifndef SKY130_FD_IO__TOP_REFGEN_BLACKBOX_V |
| `define SKY130_FD_IO__TOP_REFGEN_BLACKBOX_V |
| |
| /** |
| * top_refgen: The REFGEN block (sky130_fd_io__top_refgen) is used to |
| * provide the input trip point (VINREF) for the |
| * differential input buffer in SIO and also |
| * the output buffer regulated output level (VOUTREF). |
| * Verilog HDL for "sky130_fd_io", |
| * "sky130_fd_io_top_refgen" "behavioral_tmp". |
| * |
| * Verilog stub definition (black box without power pins). |
| * |
| * WARNING: This file is autogenerated, do not modify directly! |
| */ |
| |
| `timescale 1ns / 1ps |
| `default_nettype none |
| |
| (* blackbox *) |
| module sky130_fd_io__top_refgen ( |
| VINREF , |
| VOUTREF , |
| REFLEAK_BIAS, |
| HLD_H_N , |
| IBUF_SEL , |
| OD_H , |
| VOHREF , |
| VREF_SEL , |
| VREG_EN , |
| VTRIP_SEL |
| ); |
| |
| output VINREF ; |
| output VOUTREF ; |
| inout REFLEAK_BIAS; |
| input HLD_H_N ; |
| input IBUF_SEL ; |
| input OD_H ; |
| input VOHREF ; |
| input VREF_SEL ; |
| input VREG_EN ; |
| input VTRIP_SEL ; |
| |
| // Voltage supply signals |
| wire VCCD ; |
| wire VCCHIB ; |
| wire VDDA ; |
| wire VDDIO ; |
| wire VDDIO_Q; |
| wire VSSD ; |
| wire VSSIO ; |
| wire VSSIO_Q; |
| |
| endmodule |
| |
| `default_nettype wire |
| `endif // SKY130_FD_IO__TOP_REFGEN_BLACKBOX_V |