uses the address bits to pull from memory the value to be displayed on the 7 segments, content of the memory can be updated via a clock and data pins, reset button will revert to default info, you would need to issue one clock cycle to load the default info
clk, data, rst, nc, address [4:0]
| # | Input | Output |
|---|---|---|
| 0 | clock | segment a |
| 1 | data | segment b |
| 2 | reset | segment c |
| 3 | nc | segment d |
| 4 | address bit 3 | segment e |
| 5 | address bit 2 | segment f |
| 6 | address bit 1 | segment g |
| 7 | address bit 0 | segment pd |