i know issue source now
USB Host: MAX3421E. The MAX3421E comunicate with Arduino with the SPI bus. So it uses the following pins:
Digital: 7 (RST), 50 (MISO), 51 (MOSI), 52 (SCK).
NB:Please do not use Digital pin 7 as input or output because is used in the comunication with MAX3421E
Non broken out on headers: PJ3 (GP_MAX), PJ6 (INT_MAX), PH7 (SS).
The MAX3421E is using my spi pins