http://triada-service.ru/%D0%BF%D1%80%D0%BE%D1%88%D0%B8%D0%B2%D0%BA%D0%B0-nintendo-new-2ds-xl-%D0%B8%D0%BB%D0%B8-hard-mod-nand-dumping-new-2ds-xl/
Here's a link to get the nand pinouts for the 2DS XL. I hope this quashes previous assumptions that there were no nand pinouts on the 2DS XL board.