Entity: arbiter

• File: arbiter.v

Diagram

Description

Generics

Generic name	Type	Value	Description
PORTS		4
ARB_TYPE_ROUND_ROBIN		0	select round robin arbitration
ARB_BLOCK		0	blocking arbiter enable
ARB_BLOCK_ACK		1	block on acknowledge assert when nonzero, request deassert when 0
ARB_LSB_HIGH_PRIORITY		0	LSB priority selection

Ports

Port name	Direction	Type	Description
clk	input	wire
rst	input	wire
request	input	wire [PORTS-1:0]
acknowledge	input	wire [PORTS-1:0]
grant	output	wire [PORTS-1:0]
grant_valid	output	wire
grant_encoded	output	wire [$clog2(PORTS)-1:0]

Signals

Name	Type	Description
grant_reg	reg [PORTS-1:0]
grant_next	reg [PORTS-1:0]
grant_valid_reg	reg
grant_valid_next	reg
grant_encoded_reg	reg [$clog2(PORTS)-1:0]
grant_encoded_next	reg [$clog2(PORTS)-1:0]
request_valid	wire
request_index	wire [$clog2(PORTS)-1:0]
request_mask	wire [PORTS-1:0]
mask_reg	reg [PORTS-1:0]
mask_next	reg [PORTS-1:0]
masked_request_valid	wire
masked_request_index	wire [$clog2(PORTS)-1:0]
masked_request_mask	wire [PORTS-1:0]

Processes

• unnamed: ( @* )

• unnamed: ( @(posedge clk) )

Instantiations

• priority_encoder_inst: priority_encoder

• priority_encoder_masked: priority_encoder