ALT_IOBUF_DIFF Primitive
Parent topic: ALT_IOBUF_DIFF Primitive

Bidirectional Ports

Port Name

Required

Description

Comments

io

Yes

Bidirectional port. Represents the positive pin of a differential I/O standard.

Must connect to the bidirectional device pin or an entity bidirectional port. Logic must not exist between the io port and the bidirectional port.

iobar

Yes

Bidirectional port. Represents the negative pin of a differential I/O standard.

Must connect to the device's bidirectional pin or an entity bidirectional port. There must be no logic between the iobar port and the device's bidirectional port.
Parent topic: ALT_IOBUF_DIFF Primitive

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