Datasheet

Bit 0 – DRE Data Register Empty

This flag is cleared by writing new data to DATA.

This flag is set when DATA is empty and ready for new data to transmit.

Writing '0' to this bit has no effect.

Writing '1' to this bit has no effect.

SAM D21 Family

SERCOM SPI – SERCOM Serial Peripheral Interface

Datasheet Complete

DS40001882D-page 539