ARINC-429-Microprocessor-Interface. Four ARINC 429 Receive Channels, (configured with DD03282 Transceivers). 128 x 32 Shared RAM Interface. Label and Destination Decoding and Sorting. Two ARINC 429 Transmit Channels (configured with DD03182 Line Drivers). Two 32 x 32 Transmit FIFO's.Interfaces Easily to 8- or 16-Bit Microprocessor. Built-in Fault Detection Circuitry. Free C Library Software Application Note AN/A-6 FAQ’s.