Software DAC for xcore comprising of upsampling, sigma-delta modulator and PWM generation.

• Supports 48000, 96000 and 192000 Hz sample rate, stereo output
• Uses two hardware threads, two one-bit ports, one clock-block and 32 kB of RAM

• Fixed configuration only currently (SF = Standard Fidelity)
• The API requires that the software DAC is continually fed samples at the input sample rate. Failure to do so will result in full scale outputs glitches. Please ensure your application disables the hardware output stage before stopping feeding samples.

• lib_sw_dac

• XMOS XTC Tools: 15.3.1

• None

The following application notes use this library:

• AN02020: Adding a software DAC to USB Audio

Please also see the /examples directory for simpler usage examples.

This package is supported by XMOS Ltd. Issues can be raised against the software at: http://www.xmos.com/support