523 Tiny Tapeout - Mini CORDIC
523 : Tiny Tapeout - Mini CORDIC
- Author: Daniel Riquelme
- Description: A 4 iteration rotation mode CORDIC that computes sin and cos of a 6-bit angle
- GitHub repository
- Open in 3D viewer
- Open in Tiny Tapeout Explorer
- View in Wokwi
- Clock: 10000 Hz
How it works
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External hardware
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IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | angle bit 0, 0–63 = 0°–90° (1 LSB = 1.40625°) | 7-segment a–g bit 0 | |
| 1 | angle bit 1, 0–63 = 0°–90° (1 LSB = 1.40625°) | 7-segment a–g bit 1 | |
| 2 | angle bit 2, 0–63 = 0°–90° (1 LSB = 1.40625°) | 7-segment a–g bit 2 | |
| 3 | angle bit 3, 0–63 = 0°–90° (1 LSB = 1.40625°) | 7-segment a–g bit 3 | |
| 4 | angle bit 4, 0–63 = 0°–90° (1 LSB = 1.40625°) | 7-segment a–g bit 4 | |
| 5 | angle bit 5, after loading: 0 = cos, 1 = sin | 7-segment a–g bit 5 | |
| 6 | displayed nibble: 0 = low, 1 = high | 7-segment a–g bit 6 | |
| 7 | START: hold high to load the angle, release to compute | decimal point = DONE flag |