561 VGA multiplex with TRNG
561 : VGA multiplex with TRNG
- Author: Khanh Lo
- Description: Multiplex between 4 VGA projects with TRNG
- GitHub repository
- Open in 3D viewer
- Clock: 0 Hz
How it works
Select between 4 VGA projects. Can use TRNG (from sampling ring oscillator) to randomly select.
How to test
Try changing speed, direction and select between different VGA projects.
External hardware
Need VGA PMOD compatible with TinyVGA.
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | speed | R1 | |
| 1 | direction | G1 | |
| 2 | sel[0] | B1 | |
| 3 | sel[1] | VSync | |
| 4 | R0 | ||
| 5 | G0 | ||
| 6 | B0 | ||
| 7 | rand | HSync |