Entity: pp_fifo

• File: pp_fifo.vhd

• Brief: A generic FIFO module.
  ! Adopted from the FIFO module in https://github.com/skordal/smallthings.

Diagram

Description

Generics

Generic name	Type	Value	Description
DEPTH	natural	64
WIDTH	natural	32

Ports

Port name	Direction	Type	Description
clk	in	std_logic	Control lines:
reset	in	std_logic
full	out	std_logic	Status lines:
empty	out	std_logic
data_in	in	std_logic_vector(WIDTH - 1 downto 0)	Data in:
data_out	out	std_logic_vector(WIDTH - 1 downto 0)
push	in	std_logic
pop	in	std_logic

Signals

Name	Type	Description
memory	memory_array
top	index_type
bottom	index_type
prev_op	fifo_op

Types

Name	Type	Description
memory_array
fifo_op	(FIFO_POP, FIFO_PUSH)

Processes

• read: ( clk )

• write: ( clk )

• set_prev_op: ( clk )