Entity: SlvFixedDelay

Diagram

time TPD_G string XIL_DEVICE_G string DELAY_STYLE_G integer DELAY_G positive WIDTH_G sl clk slv(WIDTH_G - 1 downto 0) din slv(WIDTH_G - 1 downto 0) dout

Description


Company : SLAC National Accelerator Laboratory

Description: Shift Register Delay module for std_logic_vector Uses a counter and single port RAM (distributed, block, ultra) Single port RAM setup in read first mode Counter counts 0…maxCount Optional data out register (DO_REG_G) on the RAM

delay = maxCount + ite(DO_REG_G, 3, 2)

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
XIL_DEVICE_G string "ULTRASCALE_PLUS"
DELAY_STYLE_G string "srl_reg" "reg", "srl", "srl_reg", "reg_srl", "reg_srl_reg" or "block"
DELAY_G integer 256
WIDTH_G positive 16

Ports

Port name Direction Type Description
clk in sl
din in slv(WIDTH_G - 1 downto 0)
dout out slv(WIDTH_G - 1 downto 0)

Signals

Name Type Description
r RegType
rin RegType

Constants

Name Type Value Description
REG_INIT_C RegType ( shift => (others => (others => '0')))

Types

Name Type Description
VectorArray
RegType