Output Ports

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Port Name

Required

Description

Comments

o

Yes

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

Must connect to a device's output pin or to a wire that will connect to a device's output. There must be no logic between the o port and the device's output pin.

obar

Yes

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

Must connect to a device's output pin or to a wire that will connect to a device's output. There must be no logic between the obar port and the device's output pin. This port cannot have multiple fanouts.