nexus.axi.interconnect

stable

v2.1.0

Author: Nexus IP Group

License: MIT

Flexible AXI4 crossbar interconnect with configurable ports and arbitration. Supports up to 16 masters and 16 slaves.

Interfaces

Name	Type	Role	Width
s_axi[N]	AXI4	slave	configurable
m_axi[M]	AXI4	master	configurable
ctrl	AXI-Lite	slave	32

Parameters

Name	Type	Default	Constraints
NUM_MASTERS	integer	4	1-16
NUM_SLAVES	integer	4	1-16
DATA_WIDTH	integer	64	32, 64, 128, 256
ARBITRATION	string	ROUND_ROBIN	ROUND_ROBIN, PRIORITY, LRU

Compatibility

Clock Domains

Single clock domain

Reset Semantics

Asynchronous active-low reset

Tool Support

Vivado 2022.1+Quartus 22.1+

Verification

Tests

Protocol compliance
Stress tests
Randomized transactions

Simulators

VCSQuesta

Coverage

98% functional coverage

Build Proof

Target	Tool	Status	Fmax	Resources
Xilinx Zynq UltraScale+	Vivado 2023.2	Pass	250 MHz	8,450 LUTs
Intel Agilex	Quartus 23.3	Pass	275 MHz	9,200 ALMs

Manifest

ip.yaml

name: nexus.axi.interconnect
version: 2.1.0
license: MIT
author: Nexus IP Group

description: >
  Flexible AXI4 crossbar interconnect with
  configurable ports and arbitration.

interfaces:
  s_axi:
    type: axi4
    role: slave
    count: NUM_MASTERS
  m_axi:
    type: axi4
    role: master
    count: NUM_SLAVES
  ctrl:
    type: axi-lite
    role: slave

parameters:
  NUM_MASTERS:
    type: integer
    default: 4
    range: [1, 16]
  NUM_SLAVES:
    type: integer
    default: 4
    range: [1, 16]

targets:
  - vivado
  - quartus