routes the data to 3 directions
give input to data_in
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | data_in[0] | data_out_0[0] | data_out_2[0] |
| 1 | data_in[1] | data_out_0[1] | data_out_2[1] |
| 2 | data_in[2] | data_out_0[2] | data_out_2[2] |
| 3 | pkt_valid | data_out_1[0] | vld_out_0 |
| 4 | read_enb_0 | data_out_1[1] | vld_out_1 |
| 5 | read_enb_1 | data_out_1[2] | vld_out_2 |
| 6 | read_enb_2 | err | |
| 7 | busy |