The advance audio interface (AAI) provides a serial synchronous, full duplex interface to codecs and similar serial devices. The transmit and receive paths may operate asynchronously with respect to each other. Each path uses a 3- wire interface consisting of a bit clock, a frame synchronization signal, and a data signal.
Features
Synchronous or asynchronous receive and transmit paths
8-bit or 16-bit data word length
Normal mode or Network mode (up to 4 slots per frame)
Special IOM-2 mode to allow to connect to external ISDN controller
16-word receive and transmit data FIFO to simplify the audio data communication
DMA support for up to four selectable slots to reduce CPU utilization
Deliverables
RTL source for hardware synthesis and simulation
Integration testbench and Testsuite
Full documentation
Automatic configuration and synthesis/simulation script generation
Market Category
Automotive, Communications, Consumer Electronics, Data Processing, Industrial and Medical, Military/Civil Aerospace