1.5 Audio Clock Selection
The SAM E54 has two ways of supporting I2S audio applications: Host mode and Client mode. This refers to which mode generates the I2S Host clock, and it also known as a reference clock. The following figure shows the relationship between the devices. On this board there is a jumper to select between the two modes, Host mode and Client mode. The usable modes also depend on which codec it supports, as not all codecs can support both the modes.