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I/O interface

CAN and J1939 multi-master capabilities

North Atlantic Industries (NAI) has introduced the Nano Interface Unit (NIU1). It was designed to add communication interfaces to industrial and aerospace applications.

The operating temperature of the unit is -40 °C to +71 °C (Photo: NAI)

THE UNIT CONSISTS OF AN INTEGRATED POWER SUPPLY, one function slot that can be configured via an I/O and a communication function module, and an optional ARM Cortex-A9 processor. It is suited for military, industrial, and commercial aerospace applications.

The module accelerates deployment of SWaP-optimized systems in air, land, and sea applications. The American company’s Custom-On-Standard Architecture (Cosa) offers a choice of over 40 I/Os and communication options. Pre-existing functions can be selected to meet system requirements. Individually dedicated I/O and communication processors allow mission computers to manage, monitor, and control via single or dual Ethernet. Additional interfaces are EIA-232 and Arinc 429/575.

CAN communication is also provided. The CB1 and CB2 (J1939 protocol support) are CAN function modules with multi-master capabilities for multi-function embedded boards. All CAN nodes are able to transmit data and several CAN nodes can request the bus simultaneously. The modules provide independent, isolated channels of CAN serial data links, conforming to the ISO 11898 International Standard.

The NIU1 includes Board Support Package (BSP) and Software Support (SSK) for Wind River Linux, VxWorks and Xilinx Peta Linux Support (optional w/ARM). In addition, software support kits are supplied, with source code and board-specific library I/O APIs, to facilitate system integration. Each I/O function has dedicated processing, unburdening the SBC from unnecessary data management overhead.

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