Forum Discussion

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

Current Sink from GPIO 3.3 LVTTL

Hello, I've designed a circuit to generate step and directoin signals for external stepper motor drivers. The input current for these drviers is "-1 mA" which I believe means I need to sink 1mA ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Thank you very much.. I suppose my problem is somewhere else!