Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Opencores I2C writing: Only 2 scl positive edges

I want to integrate Opencores I2C master IP core in one NIOS II projects. I have added it in the NIOS II system and compiled the project in Quartus II successfully. I have enabled the pull-up feat...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

i think internal fpga pullups are too weak,

you should use external resistors <10k (e.g. 1k)