Parallel TX data configuration register.
TX_BITLEN | Configures expected byte number of sent data. |
TX_DATA_ORDER_INV | Set this bit to invert bit order of one byte sent from TX_FIFO to IO data. |
TX_BUS_WID_SEL | Configures the txd bus width. 3’d0: bus width is 1. 3’d1: bus width is 2. 3’d2: bus width is 4. 3’d3: bus width is 8. |