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Altera_Forum
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12 years ago

ADC in VHDL for Cyclone IV E

Hi guys, I am new to VHDL and cyclone IV, I just received it from my supervisor and am suppose to finish creating a program for ADC by next week. Just to let you all know, I have already read t...
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Altera_Forum
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12 years ago

for example, my ADC has 4 pins that supposedly inter connected between the FPGA and the ADC,

SCLK, CS, DataIN, DataOUT

In VHDL, do I declare them with respect to the FPGA? which would mean SCLK, CS and DataIN would be OUT pins, and DataOUT would be an IN pin?

or is it with respect to the ADC, which would indicate otherwise?