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Some errors may occur when using Atmel debugWIRE, like:
Failed to enter SPI mode. Check that your squid cable is correctly attached. If the SPIEN fuse is not enabled, the part must be programmed using high-voltage.
.. or ..
No contact with device when using debugWIRE
The DWEN fuse must be enabled to use debugWIRE. Do you want to program this fuse from JTAGICE mkII ? (All SPI lines must be connected before you click YES)
Click NO to just retry making contact. (You might need to power thedevice off and on before clicking NO)
You need to think about the following when using debugWIRE:
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