72 UCSC HW Systems Collective, TDC - MUX2x1
72 : UCSC HW Systems Collective, TDC - MUX2x1
- Author: Phillip Marlowe, Tyler Sheaves, & Dustin Richmond
- Description: A tiny TDC constructed entirely of standard cells. Skywater130 MUX2x1 delay element
- GitHub repository
- Open in 3D viewer
- Clock: 40000000 Hz
How it works
A tiny TDC
How to test
Setup VCS on you local machine, cd to test run:
make SIM=vcs GATES=yes
External hardware
Just pins
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | lanuch clock | hw[0] | |
| 1 | capture clock | hw[1] | |
| 2 | pg_src | hw[2] | |
| 3 | pg_bypass | hw[3] | |
| 4 | pg_in | hw[4] | |
| 5 | pg_tog | hw[5] | |
| 6 | valid_in | hw[6] | |
| 7 | valid_out |