ATMEL_US_ENDRX
if (pending & (ATMEL_US_ENDRX | ATMEL_US_TIMEOUT)) {
(ATMEL_US_ENDRX | ATMEL_US_TIMEOUT));
ATMEL_US_ENDRX | ATMEL_US_TIMEOUT);
ATMEL_US_ENDRX | ATMEL_US_TIMEOUT);
ATMEL_US_ENDRX | ATMEL_US_TIMEOUT |
ATMEL_US_ENDRX | ATMEL_US_TIMEOUT |