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Altera_Forum
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12 years ago

Building an SPI Decoder into Altera

Hello, I am working on a project which requires interfacing between a Microcontroller and an Altera FPGA. I'm using an Arduino UNO and DE0Nano Cyclone IV. The Arduino sends a 64bit word via SPI...
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Altera_Forum
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12 years ago

Great! I believe this worked! Just to make sure though, I still have a doubt on using the dual DFF synchronizer and the edge-detection logic.

Take I have my input SPI_Clk going into DFF1 and Q1 going into DFF2. Q2' is NOTed and ANDed with Q1. This give the SPI_rising_edge.

I really appreciate your help!