AVR32_EPTCFG_NBANK
temp |= AVR32_EPTCFG_NBANK(1);
temp |= AVR32_EPTCFG_NBANK(2);
temp |= AVR32_EPTCFG_NBANK(3);
AVR32_EPTCFG_NBANK(1) | AVR32_EPTCFG_EPSIZE(6));