Article ID: 000084838 Content Type: Troubleshooting Last Reviewed: 02/25/2013

Why does the read_rdid input of the ALTASMI_PARALLEL megafunction return an unexpected ID?

Environment

    Quartus® II Subscription Edition
BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

The read_rdid input on the ALTASMI_PARALLEL megafunction may be used to read the memory capacity ID of supported EPCS and EPCQ devices.

In the Quartus® II software version 12.1 and earlier, the value returned for an EPCQ device is not correct.

Resolution This problem is resolved in the Quartus II software version 12.1sp1.

Related Products

This article applies to 2 products

Intel® FPGA Configuration Devices
Intel® Programmable Devices

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