The AORTA-R-V2 statusregister STATUS_REG provides information on the status of the data FIFOs, the crossbar state, the presence of a control character in the last data items read, etc.; its contents are listed in table 4; the data FIFO flags encoding is listed in table 5.
Table 4: The AORTA-R-V2 statusregister content
Table: AORTA-R data FIFO flags encoding; P is programmed by writing
the value into
the FIFO_INIT register before AORTA-R reset (0 <= P <= 63);
NOTE: all 4 data FIFO-chips will use the same P.