5 Incrementer
5 : Incrementer
- Author: Mike Bell
- Description: A 16-bit counter using a custom half adder cell
- GitHub repository
- Open in 3D viewer
- Clock: 10 Hz
How it works
16 standard cell library flip-flops are wired to 16 custom half adder cells, to make a 16 bit counter.
How to test
Provide a clock signal on clk. in0 is the input to the LSB of the counter, so the counter will increment only if in0 is high. The count is reset when rst_n is low.
External hardware
None
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | Increment enable | Out 0 | Out 8 |
| 1 | Out 1 | Out 9 | |
| 2 | Out 2 | Out 10 | |
| 3 | Out 3 | Out 11 | |
| 4 | Out 4 | Out 12 | |
| 5 | Out 5 | Out 13 | |
| 6 | Out 6 | Out 14 | |
| 7 | Out 7 | Out 15 |