3.4.12 Audio Class D

The SAM9X75-Curiosity board embeds a mono/single-ended channel Class D audio output.

The following figure shows the Audio Class D schematic.

Figure 3-36. Audio Class D Schematic

The following table shows the Audio Class D signal description.

Table 3-20. Audio Class D Signal Description
PIO Signal Name Signal Description
PA18CLASSD_L0High side PMOS control
PA19CLASSD_L1Low side NMOS control