Entity: FirFilterSingleChannel

Diagram

time TPD_G sl RST_POLARITY_G natural PIPE_STAGES_G boolean COMMON_CLK_G positive TAP_SIZE_G positive WIDTH_G IntegerArray COEFFICIENTS_G sl clk sl rst sl ibValid slv(WIDTH_G-1 downto 0) din sl obReady sl axilClk sl axilRst AxiLiteReadMasterType axilReadMaster AxiLiteWriteMasterType axilWriteMaster sl ibReady sl obValid slv(WIDTH_G-1 downto 0) dout AxiLiteReadSlaveType axilReadSlave AxiLiteWriteSlaveType axilWriteSlave

Description

Company : SLAC National Accelerator Laboratory

Description: Single Channel Finite Impulse Response (FIR) Filter

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
RST_POLARITY_G sl '1' '1' for active high rst, '0' for active low
PIPE_STAGES_G natural 0
COMMON_CLK_G boolean false
TAP_SIZE_G positive Number of programmable taps
WIDTH_G positive Number of bits per data word
COEFFICIENTS_G IntegerArray

Ports

Port name Direction Type Description
clk in sl Clock and Reset
rst in sl
ibValid in sl Inbound Interface
ibReady out sl
din in slv(WIDTH_G-1 downto 0)
obValid out sl Outbound Interface
obReady in sl
dout out slv(WIDTH_G-1 downto 0)
axilClk in sl AXI-Lite Interface (axilClk domain)
axilRst in sl
axilReadMaster in AxiLiteReadMasterType
axilReadSlave out AxiLiteReadSlaveType
axilWriteMaster in AxiLiteWriteMasterType
axilWriteSlave out AxiLiteWriteSlaveType

Signals

Name Type Description
r RegType
rin RegType
cascin CascArray
cascout CascArray
datain slv(WIDTH_G-1 downto 0)
tReady sl
readMaster AxiLiteReadMasterType
readSlave AxiLiteReadSlaveType
writeMaster AxiLiteWriteMasterType
writeSlave AxiLiteWriteSlaveType

Constants

Name Type Value Description
COEFFICIENTS_C CoeffArray InitCoeffArray
NUM_ADDR_BITS_C positive bitSize(TAP_SIZE_G-1)+2
REG_INIT_C RegType ( cnt => 0,
datain => (others => '0'),
cascin => (others => (others => '0')),
coeffin => COEFFICIENTS_C,
ibReady => '0',
tValid => '0',
tdata => (others => '0'),
readSlave => AXI_LITE_READ_SLAVE_INIT_C,
writeSlave => AXI_LITE_WRITE_SLAVE_INIT_C)

Types

Name Type Description
CoeffArray
CascArray
RegType

Functions

Processes

Instantiations