HI-3220: 24-Channel ARINC 429 Data Management IC with Integrated Line Receivers

May 2, 2022
The HI-3220 family is capable of managing, storing and forwarding avionics data between 16 ARINC 429 receive channels and 8 ARINC 429 transmit channels in a tiny 10mm x 10mm footprint. Ideal for multi-channel applications such as data concentrators.

The HI-3220 is a member of Holt’s Data Management and Protocol Bridges family. It is capable of managing, storing and forwarding avionics data between 16 ARINC 429 receive channels and 8 ARINC 429 transmit channels in a tiny 10mm x 10mm footprint. Integrated line receivers and a compact 40 MHz serial peripheral host interface (SPI) save significant amounts of space at such high channel densities, making these devices ideal for multi-channel applications such as data concentrators. An option for 8 receive and 4 transmit channels, HI-3222, is also available in an even smaller, cost effective 7mm x 7mm QFN package footprint. The devices are also capable of RTCA/DO-160G level 3 lightning compliance with external 40kΩ resistors.

This family of devices also contains the HI-3200, an 8-channel ARINC 429 receive, 4-channel ARINC 429 transmit protocol bridge IC capable of automatically re-formatting, re-labeling, re-packetizing and retransmitting data from ARINC 429 receive buses to ARINC 429 transmit buses, as well as from ARINC 429 to ARINC 825 (CAN) or the other way around. The device uses Holt’s HI-3110, a CAN / ARINC 825 protocol IC/transceiver combination to interface directly with the CAN bus. 

Features:

●     ARINC specification 429 compliant

●      Sixteen ARINC 429 receive channels with optional integrated line receivers

●      Eight ARINC 429 transmit channels

●      8-channel Rx, 4-channel Tx version available in compact 48-pin 7mm x 7mm QFN

●      32kB on-chip user-configurable data storage memory

●      Programmable received data filtering

●      Non-annunciated fault protection

●      Option for programmable transmission schedulers for periodic ARINC 429 broadcasting or CPU directed transmission

●      40 MHz SPI CPU Interface

●      Auto-initialization feature allows power-on configuration or independent operation without a CPU

●      Transmitter slew rate and tri-state control outputs

●      Supports 100kbs / 50kbs / 12.5kbs data rates

●      Industrial (-40°C to +85°C) and Extended (-55°C to +125°C) temperature ranges supported

A development kit with example software is available to demonstrate key features of the device:

●      ADK-3220: HI-3220 Application Development Kit

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