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ID: 4130
实例类型: faq
分类: Architecture
相关: IO
产品系列: ispMACH 4A5

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What is the default state of I/Os for Lattice ispMACH 4A3/4A5 devices?

The default state of I/Os for Lattice ispMACH4A3/4A5 devices is PULL UP HOLD (i.e. Constraint Value is set to hold at default).

The PULL UP HOLD mode of I/Os is also called as bus-friendly mode.