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Altera_Forum
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14 years ago

i2c from altera wiki

Hi all I've downloaded the i2c ip from altera wiki and simulated it in Nios II with ModelSim-Altera. http://www.alterawiki.com/wiki/opencores_i2c (http://www.alterawiki.com/wiki/opencor...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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What's the voltage level on those small "1"?

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It's about 0.6 V.

An EEPROM doesn't drive SCL. Apperently an additional driver besides the master's open drain output and the pull-up resistor is connected to the bus.