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- MASTER_RESET
- Overview
- This reserved word selects the preset function on PLS devices that
- provide a preset/enable pin.
-
-
- Syntax───────────────────────────────────────────────────────────────
- MASTER_RESET
-
- ────────────────────────────────────────────────────────────────────
-
- Device Support:
-
- PLS105 PLS167 PLS168
- ·
- Syntax
- You use this reserved word in the state segment of state-machine
- designs.
-
- Syntax───────────────────────────────────────────────────────────────
- MASTER_RESET
- Example──────────────────────────────────────────────────────────────
- MEALY_MACHINE
- MASTER_RESET
- OUTPUT_HOLD OUT1 OUT2
- ────────────────────────────────────────────────────────────────────
- ·
- Definitions
-
- Master_Reset This reserved word dedicates the preset/enable pin to
- active high preset. Conversely, the reserved word
- OUTPUT_ENABLE dedicates the preset/enable pin to
- active-low output enable.
-
- ■ You can place MASTER_RESET anywhere within the
- setup and default statements. It must precede the
- state-assignment and transition equations.
-
- ■ You cannot use both MASTER_RESET and OUTPUT_ENABLE
- in the same design file.
-
- When the device is preset, the state machine goes to
- the state that has a value of all 1s.
- ·
- Use
-
- If you do not use MASTER_RESET or OUTPUT_ENABLE, the software selects
- preset as the default. If you write a .SETF equation and do not use
- MASTER_RESET or OUTPUT_ENABLE, the software selects preset. If you
- write a .TRST equation, the software selects output enable.
- ·
- Related Topics
- OUTPUT_ENABLE
- STATE
- ·
-