![]() ![]() The transceiver can connect directly to general-purpose digital signal processors (DSPs), field-programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), microphones, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and codecs through a multichannel I 2S/TDM interface. SPI to SPI communication between subordinate nodes can be performed directly and does not need to involve the main node. This allows direct access to registers and status information on subordinate transceivers, as well as I 2C to I 2C, SPI to I 2C, or SPI to SPI communication from the host to a peripheral in a subordinate node. ![]() An extension of the control port protocol is embedded in the A 2B data stream. The main A 2B transceiver is programmable over a control port (I 2C/SPI) for configuration and read back. The main node generates clock, synchronization, and framing for all subordinate nodes.
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