| bcd_ss | : | BCD to Seven-Segment encoder |
| hex_ss | : | HEX to Seven-Segment encoder |
| nrz_hdb3 | : | NRZ to HDB3 encoder (NRZ : Non-Return to Zero, HDB3 : High Density Bipolar 3) |
| hdb3_nrz | : | HDB3 to NRZ encoder (NRZ : Non-Return to Zero, HDB3 : High Density Bipolar 3) |
| bcdN_bin | : | N-digits BCD to binary converter with error flag in conversion |
| bin_bcdN | : | Binary to N-digits BCD converter with error flag in conversion |