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Main Details
| Application | Audio |
| Technology | 65 |
| Manufacturer | TSMC |
| Type | Research |
| Package | QFN40 |
| Dimensions | 1500μm x 2000μm |
| Gates | 2 MGE |
| Voltage | 1.2 V |
| Power | 115 mW @100 MHz |
| Clock | 300 MHz |
Description
BFO stands for Big Fourier Oscillator. The ASIC implements eight alias-free oscillators for digital music synthesis. The eight oscillators are able to generate
- classical analog synthesizer waveforms (such as sawtooth, square, sine, etc.),
- wavetable sounds, and
- additive synthesis waveforms.
The chip is configured using an SPI interface and contains an I2S output and two pulse-density modulation outputs. The fabricated chip will be integrated in a hybrid digital-analog synthesizer designed by the Integrated Information Processing (IIP) group. The BFO logo is a modern interpretation of Jean-Baptiste Joseph Fourier.
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