HI-3597

January, 2012 HI-3596, HI-3597, HI-3598, HI-3599 Octal ARINC 429 Receivers with Label Recognition and SPI Interface GENERAL DESCRIPTION The HI-359x family from Holt Integrated Circuits are silicon gate CMOS ICs for interfacing up to eight ARINC 429 receive buses to a high-speed Serial Peripheral Interface (SPI) enabled microcontroller. Each receiver has user-programmable label recognition for up to 16 labels, a four-word data buffer (FIFO), and an on-chip analog line receiver. Receive FIFO status can be monitored using the programmable external interrupt pins, or by polling the status register. Other features include the ability to switch the bit-signifiance of the ARINC 429 label and to recognize the 32nd received ARINC bit as either data or a parity flag. Some versions provide a digital transmit channel which can be utilized with an external line driver such as HI-8570 to relay information from multiple sources, for example sensors, to a single collection point such as a flight com...