Transmitter control register.
| MSB_FIRST | Least significant bit first (‘0’) or most significant bit first (‘1’). This field also affects the Address field When MSB_FIRST = 1, then [15:0] is data and [(ADDR_WIDTH+15):16] is used for address When MSB_FIRST = 0, then [15:0] is for data. No address field |
| FIFO_RECONFIG | Setting this bit, clears the FIFO and resets the pointer |
| TX_ENTRIES | This field determines the depth of the TX_FIFO. Allowed legal values are 8 and 16 only |