Some example VHDL code for ECE students at Cal State University at Northridge (CSUN)
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GPIO is a basic fully combinational design to demonstrate switch to LED connections with a General Purpose Input Ouptut module.
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UART_ECHO is a basic UART echoing module. Any character sent to it via putty, gets sent right back.
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PMOD_ACL2 is a more complicated module with 2 PMODs that transmit their data up to the PC via a UART. The controllers come from Digikey and there is a small arbiter to make sure only 1 module is printing at a time.