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Observer niooooo
Observer
585 Views
Registered: ‎07-18-2018

SEM Controller - error injection address

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I'm trying to integrate the sem controller and verify its functionality on a spartan 6 FPGA ( xc6slx45t )

SEM IP is in the repair mode。

On this page(https://www.xilinx.com/support/answers/61736.html) , the effective address range is 0000 to 1F0E。

 

When I use the following two addresses for error injection, the expected action does not occur.

On injecting double bit errors, the expected behavior is for status_uncorrectable to go high. 

Inject Address = 0xC00000042

Inject Address = 0xC00000043

 

But if i am using the following addresses to injecting double bit errors .This status_uncorrectable  signal well be high.

Inject Address = 0xC01000042

Inject Address = 0xC01000043

 

Why is this happening?

 

Thanks.

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Xilinx Employee
Xilinx Employee
509 Views
Registered: ‎08-10-2008

回复: SEM Controller - error injection address

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This is expected.

Spartan-6 has a very coarse structure compared to other device families; in fact, it's relatively hard even to find a single bit to inject error.

Do not try to understand S6's structure. If you can find one single bit to inject a error and it can be corrected, that means the IP is up and running.

Thanks,
Ivy
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Don't forget to reply, kudo, and accept as solution.
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2 Replies
Xilinx Employee
Xilinx Employee
510 Views
Registered: ‎08-10-2008

回复: SEM Controller - error injection address

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This is expected.

Spartan-6 has a very coarse structure compared to other device families; in fact, it's relatively hard even to find a single bit to inject error.

Do not try to understand S6's structure. If you can find one single bit to inject a error and it can be corrected, that means the IP is up and running.

Thanks,
Ivy
------------------------------------------------------------------------------------------------------------
Don't forget to reply, kudo, and accept as solution.
---------------------------------------------------------------------------------------------------------
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Observer niooooo
Observer
307 Views
Registered: ‎07-18-2018

回复: SEM Controller - error injection address

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Thank you very much for your reply. It is very helpful.
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