AN 294: Crosspoint Switch Matrices in Altera MAX Series

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ID 683806
Date 9/22/2014
Public
Document Table of Contents
Document Table of Contents x
1. Crosspoint Switch Matrices in Altera MAX Series
1. Crosspoint Switch Matrices in Altera MAX Series x
1.1. Crosspoint Switches Using Supported Altera Devices 1.2. Implementation 1.3. Document Revision History
1.1. Crosspoint Switches Using Supported Altera Devices x
1.1.1. 16 × 16 Crosspoint Switch 1.1.2. Customized Crosspoint Switch
1.1.1. 16 × 16 Crosspoint Switch x
1.1.1.1. 16 × 16 Crosspoint Switch Architecture 1.1.1.2. Signals 1.1.1.3. Switch Matrix 1.1.1.4. Address Decoder 1.1.1.5. Configuration 1.1.1.6. Crosspoint Switch Expansion
1.1.1.6. Crosspoint Switch Expansion x
1.1.1.6.1. Source Code Modification 1.1.1.6.2. Multiple Device Implementation
1.1.2. Customized Crosspoint Switch x
1.1.2.1. Customized Crosspoint Switch Architecture 1.1.2.2. Configuration
1.2. Implementation x
1.2.1. Design Example: 16 × 16 Crosspoint Switch 1.2.2. Design Example: Customized Crosspoint Switch
1.2.1. Design Example: 16 × 16 Crosspoint Switch x
1.2.1.1. Reference Design Files Hierarchy 1.2.1.2. Reference Design Files 1.2.1.3. Design Utilization 1.2.1.4. Crosspoint Switch Expansion 1.2.1.5. Design Verification
1.2.2. Design Example: Customized Crosspoint Switch x
1.2.2.1. Cutomized Crosspoint Switch Configuration 1.2.2.2. Design Utilization 1.2.2.3. Design Verification
1. Crosspoint Switch Matrices in Altera MAX Series

1.2.1.4. Crosspoint Switch Expansion

Table 8.  Verilog HDL File Modification for a 32 × 32 Crosspoint Switch Reference Design
File Name Modification
io_cell.v Increase the multiplexer input pins and the select pins.
switch_matrix.v Increase the number of inputs and outputs, and the select pins of the switch matrix.
decoder.v Increase the number of inputs and outputs of the decoder.
switch.v Increase the LOAD REGISTERS and CONFIGURATION REGISTERS size.
dsm.v Increase the number of input and output pins to the switch matrix.
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