We're using an available clock on our board that happens to be running at 2.77MHz to drive our 1701. With 64 x fs mode, this implies a 43.2kHz actual sample rate.
Inside Sigma Studio, the drop-down sample rate menu is limited to standards - 44.1kHz, 48kHz, etc.
We can right click on the input block to set sample rate manually, but the result will not propagate. Instead it returns an error "Uncompatible Sample Rates. Please Verify." If everything is set to 44.1kHz it seems to work.
Are there specific blocks that are allowed only "standard" sample rates?