.Modelica.Electrical.Digital.Interfaces.Logic .Modelica.Electrical.Digital.Interfaces.LogicCode Table:
| Logic value | Meaning |
| 'U' | Uninitialized |
| 'X' | Forcing Unknown |
| '0' | Forcing 0 |
| '1' | Forcing 1 |
| 'Z' | High Impedance |
| 'W' | Weak Unknown |
| 'L' | Weak 0 |
| 'H' | Weak 1 |
| '-' | Do not care |
type Logic = enumeration('U' "U Uninitialized", 'X' "X Forcing Unknown", '0' "0 Forcing 0", '1' "1 Forcing 1", 'Z' "Z High Impedance", 'W' "W Weak Unknown", 'L' "L Weak 0", 'H' "H Weak 1", '-' "- Do not care");