Terminal IC
November 2015
HI-3585, HI-3586
ARINC 429 Terminal IC with SPI Interface
GENERAL DESCRIPTION
The HI-3585 from Holt Inte...
Description
November 2015
HI-3585, HI-3586
ARINC 429 Terminal IC with SPI Interface
GENERAL DESCRIPTION
The HI-3585 from Holt Integrated Circuits is a silicon gate CMOS device for interfacing a Serial Peripheral Interface (SPI) enabled microcontroller to the ARINC 429 serial bus. The device provides one receiver with user-programmable label recognition for any combination of 256 possible labels, 32 x 32 Receive FIFO and analog line receiver. The independent transmitter has a 32 x 32 Transmit FIFO and built-in line driver. The status of the transmit and receive FIFOs can be monitored using the programmable external interrupt pin, or by polling the HI-3585 Status Register. Other features include a programmable option of data or parity in the 32nd bit, and the ability to switch the bit-signifiance of ARINC 429 labels. Pins are available with different input resistance and output resistance values which provides flexibility when using external lightning protection circuitry.
The Serial Peripheral In...
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