DBGU_MR = US_CHMODE_NORMAL | US_CHRL_8 | US_PAR_NO | US_NBSTOP_1;
/* Enable DBGU transmitter. */
DBGU_CR = BV(US_TXEN);
- #if !CPU_ARM_AT91SAM7S256
+ #if !CPU_ARM_AT91SAM7S256 && !CPU_ARM_AT91SAM7X256
#warning Check Debug Unit AT91 pins on datasheet!
#endif
/* Disable PIO on DGBU tx pin. */