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HI-8584PQT Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8584PQT Datasheet(HTML) 1 Page - Holt Integrated Circuits |
1 / 15 page (DS8584 Rev. G) 06/13 HI-8584 Enhanced ARINC 429 Serial Transmitter and Dual Receiver PIN CONFIGURATION (Top View) 52 - Pin Plastic Quad Flat Pack (PQFP) (See page 13 for additional pin configuration) HI-8584PQI & HI-8584PQT 39 - N/C 38 - CWSTR 37 - ENTX 36 - N/C 35 - 429DO 34 - 429DO 33 - N/C 32 - FFT 31 - HFT 30 - TX/R 29 - PL2 28 - PL1 27 - BD00 FF1 - 1 HF1 - 2 D/R2 - 3 FF2 - 4 HF2 - 5 SEL - 6 EN1 - 7 EN2 - 8 BD15 - 9 BD14 - 10 BD13 - 11 BD12 - 12 BD11 - 13 GENERAL DESCRIPTION The HI-8584 from Holt Integrated Circuits is a silicon gate CMOS device for interfacing a 16-bit parallel data bus to the ARINC 429 serial bus. The HI-8584 design offers many enhancements to the industry standard HI-8282 architecture. The device provides two receivers each with label recognition, a 32 by 32 FIFO, and an analog line receiver. Up to 16 labels may be programmed for each receiver. The independent transmitter also has a 32 by 32 FIFO. The status of all three FIFOs can be monitored using the external status pins or by polling the HI-8584’s status register. Other new features include a programmable option of data or parity in the 32nd bit, and the ability to unscramble the 32 bit word. Also, versions are available with different values of input resistance to allow users to more easily add external lightning protection circuitry. The device can be used at nonstandard data rates when an option pin, NFD, is invoked. The 16-bit parallel data bus exchanges the 32-bit ARINC data word in two steps when either loading the transmitter or interrogating the receivers. The databus and all control signals are CMOS and TTL compatible. The HI-8584 applies the ARINC protocol to the receivers and transmitter. Timing is based on a 1 Megahertz clock. Additional interface circuitry such as the Holt HI-8585, HI-8586 or HI-3182 is required to translate the transmit- ter’s 5 volt logic outputs to ARINC 429 drive levels. APPLICATIONS Avionics data communication Serial to parallel conversion Parallel to serial conversion FEATURES ARINC specification 429 compatible Dual receiver and transmitter interface Analog line receivers connect directly to ARINC bus Programmable label recognition On-chip 16 label memory for each receiver 32 x 32 FIFOs each receiver and transmitter Independent data rate selection for transmitter and each receiver Status register Data scramble control 32nd transmit bit can be data or parity Self test mode Low power Industrial & Extended temperature ranges June 2013 HOLT INTEGRATED CIRCUITS www.holtic.com |
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