138 Option23
138 : Option23
- Author: bitluni
- Description: Character ROM and bitmap shifter for POV displays
- GitHub repository
- Clock: 0 Hz
How it works
clock: clocks out character columns or shifts in data. din = 1111111: show characters and bitmaps column by column. din = 1xxxxxx shift in ASCII character x. din = b10xxxxx : shift in bitmap column xxxxx
How to test
Shift in some data and set din = 1111111 to clock out characters and graphics
External hardware
Pink LEDs
IO
| # | Input | Output |
|---|---|---|
| 0 | clock | led 0 |
| 1 | din 0 | led 1 |
| 2 | din 1 | led 2 |
| 3 | din 2 | led 3 |
| 4 | din 3 | led 4 |
| 5 | din 4 | led 5 |
| 6 | din 5 | led 6 |
| 7 | din 6 | led 7 |