MIL-STD-1553 Communication for AcroPack I/O

The Acromag AP570 Series is a MIL-STD-1553 Communication Module on a ruggedised Mini PCIe Form Factor.  Ideally for avionics databus applications due to its high performance design in a tiny footprint.

The AP570 Series is based on the PCI Express mini card standard and includes two new MIL-STD-1553 communication modules. The AP571 provides single function MIL-STD-1553 communication and the AP572 provides full multi-function databus communication.

Metromatics provides excellent local sales, service and support for this and many other Acromag products.

AP570: MIL-STD-1553 Communication

  • One dual redundant MIL-STD-1553 Communication Channel
  • Extended temperature
  • PCIe bus interface


Acromag modules provide a dual redundant MIL-STD-1553 channel with four open/ground avionics level (+35V) discrete I/O signals in addition to IRIG-B input and Trigger I/O. Hard wired RT address signal input pins are also available at the connector.

This Acropack card utilises the latest AIM Common Hardware Core derived from the field proven MIL-STD-1553 interface to deliver low power consumption and high performance for rugged environments and embedded applications.

AP571-000: Single function MIL-STD-1553.
AP572-000: Full multi-function MIL-STD-1553.

Description MIL-STD-1553 Communication



X1 Lane PCIe Interface: Compatible with PCI-Express Standard (Release 2.0).

Memory: 128MB RAM.

Processor: SoC device with 2x 400MHz processors.

Time Tagging: 46-bit absolute IRIG-B formatted.

Discrete I/O: 4 open/ground avionics level discrete I/O. 2 LVTTL digital discrete inputs. 6 signals listed above can be used for RT address inputs.

Trigger I/O: 1 BC/BM trigger Input and 1 BC/BM trigger output.

Encoder/Decoder: 1x MIL-STD-1553 Encoder/decoder with full error detection bus support.

Physical Bus Interface: Transformer coupled MIL-STD-1553 bus or optional direct coupled MIL-STD-1553 bus.

Connector: 100 pin board to board samtec connector.

Dimensions: 70mm x 30mm.

Operating Temperature Range:
-40°C to +85°C for conduction cooled applications measured at FPGA component case.
-40°C to +70°C for air cooled applications measured at ambient air with 200lfm airflow.

Storage Temperature Range: -55℃ to +125.

Relative Humidity: 5 to 95% non-condensing.

Operational Shock: Tested to IEC 60068-2-27: 30G, 11ms half sine, 50G, 3mS half, 18 shocks at 6 orientations for both test levels.

Sinusoidal Operating Vibration: Tested to IEC 60068-2-6: 10-500Hz, 5G, 2 hours/axis.

Random Operating Vibration: Tested to IEC 60068-2-64: 10-500Hz, 5G-rms, 2 hours/axis.


■ BC Features
• Autonomous operation including sequencing of multiple minor and major frames.
• Support for acyclic message insertion/deletion.
• Support for instructions for synchronisation to external events and timing control.
• Programmable BC retry without host interaction.
• Multi-buffering with real time data buffer updates.
• Synchronisation of BC operation to external trigger inputs and outputs.
• 4μs intermessage gaps.
• Interrupt generation on BC transfer events.

■ Multi-RT Features
• Programmable RT response time down to 4μs for each simulated RT.
• Programmable & intelligent response to mode codes.
• Multi-buffering with real time data buffer updates.
• Mailbox monitor mode.
• Interrupt generation on RT events.

■ MT Features
• 100% data capture on 1 stream at full bus rates.
• Single shot, continuous or selective capture modes.
• Autonomous message synchronisation and full error detection.
• Static/dynamic complex triggers with sequencing.
• Message filter and selective capture.
• Bus activity recording independent from trigger and capture mode.
• Time tagging: – All bus traffic to 1μs – intermessage gaps & response time to 250ns.
• External Trigger Inputs and Outputs.
• Programmable response time.

■ IRIG-B Time Encoder/Decoder
• Onboard, free wheeling IRIG-B formatted time encoder/decoder for time tagging.
• Amplitude modulated sinusoidal IRIG-B output.
• Synchronisation with multiple AIM modules or any IRIG-B compatible module.

■ Discrete I/O
• 4 bi-directional open/ground +35V avionics discrete I/O signals.
• 2 additional LVTTL digital discrete inputs.
• 6 signals above can be used for hard-wired RT address input support.

■ Driver Software Support
• Common application programming interface (API) supports C and C#.
• Drivers for 32/64-bit Linux and 32/64-bit Windows7/8/8.1/10.


For more information AP570 MIL-STD-1553 Communication Card, contact us.



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