Entity: PwrUpRst
- File: PwrUpRst.vhd
Diagram
Description
Company : SLAC National Accelerator Laboratory
Description: Synchronizes a reset signal and holds it for a parametrized
number of cycles.
This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to
the terms contained in the LICENSE.txt file.
Generics
| Generic name | Type | Value | Description |
|---|---|---|---|
| TPD_G | time | 1 ns | |
| SIM_SPEEDUP_G | boolean | false | |
| IN_POLARITY_G | sl | '1' | |
| OUT_POLARITY_G | sl | '1' | |
| USE_DSP_G | string | "no" | |
| DURATION_G | natural range 0 to ((2**30)-1) | 156250000 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| arst | in | sl | |
| clk | in | sl | |
| rstOut | out | sl |
Signals
| Name | Type | Description |
|---|---|---|
| rstSync | sl | |
| rst | sl | |
| cnt | natural range 0 to DURATION_G |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| CNT_SIZE_C | natural | ite(SIM_SPEEDUP_G, 127, DURATION_G) |
Processes
- unnamed: ( clk )
Instantiations
- RstSync_Inst: surf.RstSync