| /* Level shifter (simplified model, as buffer only) */ | |
| module lvlshiftdown ( | |
| `ifdef LVS | |
| vpwr, vpb, vnb, vgnd, | |
| `endif | |
| A, | |
| X | |
| ); | |
| `ifdef LVS | |
| input vpwr; | |
| input vpb; | |
| input vnb; | |
| input vgnd; | |
| `endif | |
| input A; | |
| output X; | |
| `ifdef LVS | |
| wire vpwr, vpb, vnb, vgnd; | |
| `endif | |
| wire A, X; | |
| assign X = A; | |
| endmodule // lvlshiftdown |