Having such a high definition audio controller inside the SoC allows the processor to be
easily used to design automotive and consumer electronics products with excellent audio
quality. Figure 18.4 (‘C’ stands for converter) shows the architecture of an HD audio
controller with multiple links. The controller uses a set of DMA engines to effectively
manage and support simultaneous independent streams on the link. The audio controller
supports isochronous data transfers that allow glitch-free audio. On the input side, the
E6xx Series adds support for an array of microphones.
18.3.5 | SPI Controller
SPIis a serial three-wire ...
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