Entity: Pgp4RxEb
- File: Pgp4RxEb.vhd
Diagram
Description
Title : PGPv4: https://confluence.slac.stanford.edu/x/1dzgEQ
Company : SLAC National Accelerator Laboratory
Description: PGPv4 Rx Elastic Buffer
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 |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| phyRxClk | in | sl | |
| phyRxRst | in | sl | |
| phyRxValid | in | sl | |
| phyRxData | in | slv(63 downto 0) | Unscrambled data from the PHY |
| phyRxHeader | in | slv(1 downto 0) | |
| pgpRxClk | in | sl | User Transmit interface |
| pgpRxRst | in | sl | |
| pgpRxValid | out | sl | |
| pgpRxData | out | slv(63 downto 0) | |
| pgpRxHeader | out | slv(1 downto 0) | |
| remLinkData | out | slv(47 downto 0) | |
| overflow | out | sl | |
| linkError | out | sl | |
| status | out | slv(8 downto 0) |
Signals
| Name | Type | Description |
|---|---|---|
| r | RegType | |
| rin | RegType | |
| valid | sl | |
| overflowInt | sl |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| REG_INIT_C | RegType | ( linkError => '0', dataValid => '0', remLinkData => (others => '0'), fifoIn => (others => '0'), fifoWrEn => '0') |
Types
| Name | Type | Description |
|---|---|---|
| RegType |
Processes
- comb: ( phyRxData, phyRxHeader, phyRxRst, phyRxValid, r )
- seq: ( phyRxClk )
Instantiations
- U_remLinkData: surf.SynchronizerFifo
- U_FifoAsync_1: surf.FifoAsync
- U_overflow: surf.SynchronizerOneShot
- U_linkError: surf.SynchronizerOneShot