Those 4 big fat testpoints look like a UART to me... and those chips have a USB recovery mode: http://linux-sunxi.org/FEL https://twitter.com/PCBrown/status/793933537867022336 …
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Aaaand NES Mini just gots its own linux-sunxi wiki page. http://linux-sunxi.org/Nintendo_NES_Classic_Edition …
Going by the CLV-001 model number and the "clover" u-boot prompt, the NES Mini is codenamed "Clover".
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