AN 294: Crosspoint Switch Matrices in Altera MAX Series

ID 683806
Date 9/22/2014
Public

1.2.2.1. Cutomized Crosspoint Switch Configuration

To configure a 16 × 16 crosspoint switch to an 8-bit, 4-port crosspoint switch, make the following modifications:

  1. Substitute the 16 × 16 crosspoint switch matrix with a 4-port crosspoint switch matrix.
  2. Change the 4 to 16 decoder to a 2 to 4 decoder.
  3. Add a register to LOAD REGISTERS and CONFIGURATION REGISTERS to store the tri-state bit.
The circuit used for configuration is same as the 16 × 16 crosspoint switch.

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