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Rodo's avatar
Rodo
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4 years ago

I2C master ip: How/where are the bidirectional open drain line buffers?

Hi all, This is for Quartus Lite 21.1 (free version), MAX10 (10M08) and NIOS II, BeMicro MAX10 development kit. I want to add an I2C core to connect the MAX10 to the ADT7420 digital temperature sen...
Rodo's avatar
Rodo
Icon for Occasional Contributor rankOccasional Contributor
4 years ago

For anyone new (like me) interested in this: There seem to be two IP catalogs. One in Quartus. Press Alt-7 if you don't see it. And another inside the platform designer. The GPIO Lite IP core that has the tri-state buffer is on the Quartus IP catalog. For me, it doesn't show up in the platform designer IP catalog. Information on the GPIO Lite IP core is in "Intel® MAX® 10 General Purpose I/O User Guide" Chapter 4. Enjoy.