Knowledge Base Article

Why does the ALTLVDS_TX MegaWizard Plug-In describe the phase alignment of tx_in relative to tx_clock?

Description

Due to a problem in the Quartus® II software versions 10.0 to 10.1 SP1, the ALTLVDS_TX MegaWizard™ Plug-In incorrectly describes the phase alignment of tx_in. In the ALTLVDS_TX wizard, on the Frequency/PLL settings page of the Parameter Settings tab, the tx_in phase alignment parameter is described as:

What is the phase alignment of 'tx_in' with respect to the rising edge of 'tx_clock'?

The description of this parameter should read:

What is the phase alignment of 'tx_in' with respect to the rising edge of 'tx_inclock'?

This problem is fixed beginning with the Quartus II software version 11.0.

Updated 2 months ago
Version 3.0
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