typeLogic
Logic values and their coding according to IEEE 1164 STD_ULOGIC type
Information
Code 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 |
Literals
| Name | Description |
|---|---|
| '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 |