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HI-8584CJI-10 Datasheet(PDF) 1 Page - Holt Integrated Circuits |
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HI-8584CJI-10 Datasheet(HTML) 1 Page - Holt Integrated Circuits |
1 / 14 page 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 - 37 - ENTX 36 - N/C 35 - 34 - 429DO 33 - N/C 32 - 31 - 30 - TX/R 29 - 28 - 27 - BD00 CWSTR FFT HFT PL2 PL1 429DO FF1 HF1 D/R2 FF2 HF2 EN1 EN2 -1 -2 -3 -4 -5 SEL - 6 -7 -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, , 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. NFD APPLICATIONS ! ! ! Avionics data communication Serial to parallel conversion Parallel to serial conversion FEATURES ! ! ! ! ! ! ! ! ! ! ARINC specification 429 compatible Dual receiver and transmitter interface Programmable label recognition 32 x 32 FIFOs each receiver and transmitter Status register Data scramble control 32nd transmit bit can be data or parity Self test mode Low power Industrial & full military temperature ranges ! ! ! Analog line receivers connect directly to ARINC bus On-chip 16 label memory for each receiver Independent data rate selection for transmitter and each receiver HOLT INTEGRATED CIRCUITS www.holtic.com (DS8584 Rev. E) 09/06 September 2006 |
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