| // 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 |
| // |
| // http://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 |
| |
| `default_nettype none |
| /* |
| *------------------------------------------------------------- |
| * |
| * Bandgap Refrence |
| * |
| *------------------------------------------------------------- |
| */ |
| |
| module ldo_top |
| ( |
| `ifdef USE_POWER_PINS |
| inout vdd, |
| inout vss, |
| `endif |
| inout vreg, |
| inout vref, |
| inout ir25u |
| ); |
| |
| `ifdef USE_POWER_PINS |
| assign vreg = vdd & ~vss & vref & ir25u; |
| `else |
| assign vreg = vref & ir25u; |
| `endif |
| endmodule |
| |
| `default_nettype wire |