Holt Integrated Circuits offers kits for MIL-STD-1553 avionics data bus terminals

Posted by John Keller

MISSION VIEJO, Calif., 10 Dec. 2009. Holt Integrated Circuits Inc. in Mission Viejo, Calif., is introducing development kits for the company's HI-6120 and HI-6121 MIL-STD-1553remote terminals, which are single-chip, 3.3-volt devices with dual transceivers and 64 kilobytes of RAM, in surface-mount plastic packages.

The HI-6120 uses a 16-bit parallel host bus interface in a 100-pin PQFP package, while the HI-6121 uses a 4-wire serial peripheral host interface (SPI) and comes in a 52-pin PQFP or 64-pin QFN.

Each device has its own kit and provides the user with a reference design board, power supply, USB cable, and CD containing software and user's guide. The devices interface to an on-board Zilog ZNEOTM microprocessor which can be programmed over a USB using the supplied cable. The board also includes two external flash EEPROM devices for optional automatic initialization and bus interface transformers for connection to a MIL-STD-1553 data bus.

Included software demonstrates features of the devices, including auto-initialization, descriptor table setup, message illegalization, mode code handling, data buffering, and interrupt management.

For more information contact Holt Integrated Circuits online at www.holtic.com.

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