Entity: Decoder8b10b
- File: Decoder8b10b.vhd
Diagram
Description
Title : Line Code 8B10B: https://en.wikipedia.org/wiki/8b/10b_encoding
Company : SLAC National Accelerator Laboratory
Description: 8B10B Decoder Module
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 | |
| NUM_BYTES_G | positive | 2 | |
| RST_POLARITY_G | sl | '1' | |
| RST_ASYNC_G | boolean | false |
Ports
| Port name | Direction | Type | Description |
|---|---|---|---|
| clk | in | sl | |
| clkEn | in | sl | Optional Clock Enable |
| rst | in | sl | Optional Reset |
| validIn | in | sl | |
| dataIn | in | slv(NUM_BYTES_G*10-1 downto 0) | |
| dataOut | out | slv(NUM_BYTES_G*8-1 downto 0) | |
| dataKOut | out | slv(NUM_BYTES_G-1 downto 0) | |
| validOut | out | sl | |
| codeErr | out | slv(NUM_BYTES_G-1 downto 0) | |
| dispErr | out | slv(NUM_BYTES_G-1 downto 0) |
Signals
| Name | Type | Description |
|---|---|---|
| r | RegType | |
| rin | RegType |
Constants
| Name | Type | Value | Description |
|---|---|---|---|
| REG_INIT_C | RegType | ( runDisp => '0', dataOut => (others => '0'), dataKOut => (others => '0'), validOut => '0', codeErr => (others => '0'), dispErr => (others => '0')) |
Types
| Name | Type | Description |
|---|---|---|
| RegType |
Processes
- comb: ( dataIn, r, rst, validIn )
- seq: ( clk, rst )