Entity: FifoXpm Diagram time TPD_G sl RST_POLARITY_G boolean FWFT_EN_G boolean GEN_SYNC_FIFO_G string MEMORY_TYPE_G positive SYNC_STAGES_G natural PIPE_STAGES_G positive DATA_WIDTH_G positive ADDR_WIDTH_G positive FULL_THRES_G positive EMPTY_THRES_G sl rst sl wr_clk sl wr_en slv(DATA_WIDTH_G-1 downto 0) din sl rd_clk sl rd_en slv(ADDR_WIDTH_G-1 downto 0) wr_data_count sl wr_ack sl overflow sl prog_full sl almost_full sl full sl not_full slv(DATA_WIDTH_G-1 downto 0) dout slv(ADDR_WIDTH_G-1 downto 0) rd_data_count sl valid sl underflow sl prog_empty sl almost_empty sl empty
Description Company : SLAC National Accelerator Laboratory Description: Wrapper for Xilinx XPM FIFO 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
RST_POLARITY_G
sl
'1'
'1' for active high rst, '0' for active low
FWFT_EN_G
boolean
false
GEN_SYNC_FIFO_G
boolean
false
MEMORY_TYPE_G
string
"block"
SYNC_STAGES_G
positive
3
PIPE_STAGES_G
natural
0
DATA_WIDTH_G
positive
18
ADDR_WIDTH_G
positive
10
FULL_THRES_G
positive
16
EMPTY_THRES_G
positive
16
Ports
Port name
Direction
Type
Description
rst
in
sl
Asynchronous Reset
wr_clk
in
sl
Write Ports (wr_clk domain)
wr_en
in
sl
din
in
slv(DATA_WIDTH_G-1 downto 0)
wr_data_count
out
slv(ADDR_WIDTH_G-1 downto 0)
wr_ack
out
sl
overflow
out
sl
prog_full
out
sl
almost_full
out
sl
full
out
sl
not_full
out
sl
rd_clk
in
sl
Read Ports (rd_clk domain)
rd_en
in
sl
dout
out
slv(DATA_WIDTH_G-1 downto 0)
rd_data_count
out
slv(ADDR_WIDTH_G-1 downto 0)
valid
out
sl
underflow
out
sl
prog_empty
out
sl
almost_empty
out
sl
empty
out
sl