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ID: 739
Case Type: faq
Category: Architecture
Related To: Configuration/Programming
Family: MachXO

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MachXO: What is the default I/O state in a blank device?

The silicon default of a bulk-erased device is as follows:



  • Inputs are enabled, and referenced to Vccio.

  • Buskeepers default to pullup.

  • Outputs are tri-stated and default to 8ma at Vccio=1.8V and slow slew.

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