烧写EPCS遇到写保护的问题
烧写EPCS的时候提示“Error (209077): Can't erase or program protected sectors in the EPCS device”；查看Quartus的帮助时说：CAUSE: You attempted to erase or program the protected sectors of at least one EPCS device in the JTAG chain, but are unable to do so.
ACTION: You can either deselect devices with protected sectors from the erase or program operation, or enable the Unprotect EPCS devices selected for the erase/program operation option to clear the protection before performing the erase or program operation.
这个可以设置么？我怀疑是EPCS可能是从其他地方拆下来的，之前就有程序在里面，如果FPGA芯片跟之前下载的程序芯片不对的话，就烧不进去了；这个问题是否可以解决呢？ 使用super3000刷新一下，然后重新烧写
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