137 Option23 Serial

137 : Option23 Serial

Design renderSelect Project123456789ONSW2
  • 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. Data is 8bits LSB first. Highest bit is ignored. Data = b01xxxxxx ASCII character no x + 32. data = b00xxxxxx bitmap column. under/over is underline and overline for all bitmap columns

How to test

Shift in some data and set din = 1111111 to clock out characters and graphics

External hardware

Pink LEDs

IO

#InputOutput
0clockled 0
1resetled 1
2writeled 2
3dinled 3
4underled 4
5overled 5
6led 6
7led 7