DDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface Unit
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DDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface Unit

Part Number: BU-65529M2-300

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Stock # 90884-1
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DDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface Unit

  • 1/2 Size IBM PC/AT ISA Compatible 16 Bit Interface Card
  • 1553B Notice 2 Dual Redundant BC/RT/MT
  • Built-In-Test (BIT)
  • 8K x 16 Shared RAM
  • Selectable Interrupt Level
  • Low Power


The DDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface Unit provides full, intelligent interfacing between a dual redundant MIL-STD-1553B Data Bus and the IBM PC/AT Bus. Software controls the BU-65529's operation as either a 1553 Bus Controller (BC), Remote Terminal (RT), or Bus Monitor (MT).

The BU-65529 is packaged on a half size IBM PC/AT printed circuit card. The board features DDC's BU-61559D2 Advanced Integrated Mux Hybrid with Enhanced RT Features (AlM-HY'er). As such, it includes dual transceiver and encoder/decoder, complete 1553B protocol, 8K words of shared RAM, and memory management logic for all three modes.

The board includes a set of ten on-board registers. These registers allow selection of the 1553 operating modes and control of memory management, base memory address, 1553 RT address, and interrupt control.

Background Mode Operation prevents inadvertent access to the card during power-on self-test. On-board Interrupt Mask and Interrupt Status Registers support flexible operation for both interrupt and polling applications. The memory management scheme for RT mode provides an option for separation of broadcast data plus a circular buffer option for individual RT subaddresses to offload the PC host CPU.

Additional features include a wrap-around Built-ln-Test, jumper programmable interrupt level, software programmable RT address selection and a free "C" software subroutine library, the BUS-69054. The BU-65529 supports all dual redundant mode codes and message formats. Its full compliance with MILSTD- 1553B makes it an excellent choice for real-time simulation, test, and system integration applications.

Product Family: BU-65529, BU 65529, BU65529

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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DDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface UnitDDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface UnitDDC BU-65529 MIL-STD-1553 BC/RT/MT MB PC/AT Interface Unit

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Manuals, Datasheets, Drivers, Links

DDC BU-65529 Datasheet (pdf) 
Link to DDC Website 

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