68HC11 Wired-OR Mode

Hello All,

What is Wired-OR Mode? The 68HC11 documentation says that port D is set to Wired-OR mode, and I'm not exactly sure what that means.

Thanks for your help,

Sina Tootoonian

Reply to
Sina Tootoonian
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It means open drain - port D will pull down but not up.

Reply to
Clifford Heath

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