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A2B BUS FEATURES
Line topology Single main node, up to 16 subordinate nodes Up to 30 m between nodes and up to 300 m overall cable length
Communication over distance Synchronous data Multichannel I2S/TDM to I2S/TDM Clock synchronous, phase aligned in all nodes Low latency node to node communication Control and status information I2C to I2C GPIO over distance
Bus power or local power subordinate nodes Configurable with SigmaStudio+ graphical software tool
BASELINE A2B TRANSCEIVER FEATURES
Configurable as A2B bus main node or subordinate node Programmable via I2C and SPI interfaces 8-bit to 32-bit multichannel I2S/TDM interface
I2S/TDM/PDM programmable data rate Up to 51 channels of 16-bit data or 32 channels of 24-bit
data between nodes PDM inputs for up to 4 high dynamic range microphones
AD2437 Datasheet
