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Altera_Forum
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18 years ago

Help: HSMC and I2C

I am having a hell of a time trying to interface a camera through an HSMC - Santa Cruz adapter board (THDB-H2S - http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=39&no=21...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

You didn't tell about the used pull-up value. How can we determine, if it's appropriate? Furthermore, it has been said, that SCL can be driven by a push-pull output in most cases. Exactly, if only one I2C master exists (obviously) and the slave doesn't uitilize clock stretching (very likely, but you can check in the datasheet).