ORI=NOT_SET, LEVEL=EMPTY, URI=NOT_SET, WEI=NOT_SET
FIFO Buffer Status
| LEVEL | FIFO Level. 0 (EMPTY): The data FIFO is empty. 1 (1WORD): The data FIFO contains one word. 2 (2WORDS): The data FIFO contains two words. 3 (3WORDS): The data FIFO contains three words. 4 (4WORDS): The data FIFO is full and contains four words. |
| ORI | FIFO Overrun Interrupt Flag. 0 (NOT_SET): Read: A FIFO overrun has not occurred. Write: Clear the interrupt. 1 (SET): Read: A FIFO overrun occurred. Write: Force a FIFO overrun interrupt. |
| URI | FIFO Underrun Interrupt Flag. 0 (NOT_SET): Read: A FIFO underrun has not occurred. Write: Clear the interrupt. 1 (SET): Read: A FIFO underrun occurred. Write: Force a FIFO underrun interrupt. |
| WEI | FIFO Went Empty Interrupt Flag. 0 (NOT_SET): Read: A FIFO went empty condition has not occurred. Write: Clear the interrupt. 1 (SET): Read: The FIFO is empty. Write: Force a FIFO went empty interrupt. |