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  • [转]iMPACT Spartan-6 FPGA

    AR# 45304

    iMPACT Spartan-6 FPGA - "WARNING:iMPACT:2217-Error shows in the status register, CRC Error bit is Not 0"

    https://www.xilinx.com/support/answers/45304.html

    Description

    If I program a Spartan-6 device using iMPACT, the following message occurs:

    WARNING:iMPACT:2217-Error shows in the status register, CRC Error bit is Not 0

    Configuration completes successfully and DONE goes High on the board.

    Why does this message appear?

    Solution

    If you have "Security Level = 1" or "Security Level = 0" set in your BitGen options, then you might see this warning.

    For Spartan-6 FPGA:

    Security level: 

    • Level0: SBITS=00: R/W OK (default)
    • Level1: SBITS=01: Permits only ICAP readback
    • Level2: SBITS=10: All readback disabled

    The status register is covered by this security setting as it is a config register.

    It is expected that it will not be readable with security set, so this warning is flagged.

    The warning can be ignored if you have these settings.

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  • 原文地址:https://www.cnblogs.com/ifpga/p/11094396.html
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