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Hello,
For FPGA 5CEBA7F27C8N, LVDS Interface to be implemented.
Use Case: Considered 6A Bank for LVDS Implementation. Provided 2.5V operating voltage for Bank 6A.
In Quartus Prime Pin Planner tool, when assigned the I/O standard as LVDS for 6A bank pins, tool is showing error as below for all the differential pair pins assigned.
Error Message " Cant Place Differential I/O positive pin at Differential I/O negetive location".
What does this error indicate? Does any settings to be made in pin planner tool?
Note: FPGA Transmitting Differential pair Signals assigned positive to positive and negetive to negetive as per pin description/pin connection guidelines document.
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We sincerely apologize for the inconvenience caused by the delay in addressing your Forum queries. Due to an unexpected back-end issue in our system, your Forum cases, along with others, did not get through as intended. As a result, we have a backlog of cases that we are currently working through one by one.
Please be assured that we are doing everything we can to resolve this issue as quickly as possible. However, this process will take some time, and we kindly ask for your patience and understanding during this period. The cases will be attended by AE shortly.
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Hi,
Can you share the steps taken for you to do the pin assignment for those differential pins in your design?
Please also provide the snapshot of the Pin Planner. It may help me to understand the cause.
Regards,
Aqid
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Hi Sir,
I wish to follow up with you. Do you have any more concerns for this issue?
Do you need more support/help?
Regards,
Aqid
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As we do not receive any response from you on the previous question/reply/answer that we have provided. Please login to ‘https://supporttickets.intel.com/s/?language=en_US’, view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you. After 15 days, this thread will be transitioned to community support. The community users will be able to help you on your follow-up questions.

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