ARINC-429 to CompactPCI Interface
with 8Tx, 8Rx channels
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General:
The Sy429CPCI-RT88 is an
ARINC-429 interface module with 8 Tx and 8 Rx channels for use with the general
purpose CompactPCI interface cards SyCPCI-M2 and SyCPCI-M4. When the module is installed onto
one of these cards, the combined unit provides the following features:
8
ARINC-429 Transmit Channels
8
ARINC-429 Receive Channels
sixteen
1k x 4 byte Cyclic Data Buffers
CompactPCI
Interface
Individual
configuration of high and low speed operation all receive and transmit channels
Automatic
selection of Tx Driver Capacitors to provide appropriate signal rise and fall
rates in accordance with transmit speed
Choice
of odd, even or no parity
Each
transmit channel can be looped-back onto its corresponding receive channel for
test purposes
When
a channel is configured for loop-back, the transmit driver outputs are disabled
PCI
interrupts can be triggered on the reception of ARINC-429 data
Technical Description:
The Sy429CPCI-RT88
module when fitted to the SyCPCI-M2 or SyCPCI-M4 General Purpose CompactPCI Interface
card provides a high performance ARINC-429 Interface with 8 transmit and 8
receive channels.
The module uses sixteen
of the 1k x 32 bit Cyclic-Data-Buffers provided on the General Purpose PCI
Interface base card. Eight of these are configured for reception of ARINC-429
data and the other eight for transmission.
Data written to a
Transmit Cyclic-Data-Buffer card is automatically transferred to the
corresponding transmitter in a manner which ensures the maximum usage of the
ARINC-429 data bus. That is, while data is available, ARINC-429 data is transmitted
with the minimum 4-bit gap between data words. Similarly, received data can be
captured at this maximum data rate and automatically transferred to the
corresponding Cyclic-Data-Buffer from where it can be easily transferred over
the CompactPCI interface to the host processor.
For test purposes, the
individual transmitter outputs can be looped-back on to the corresponding
receive channel. When a channel is configured in this way its transmit driver
outputs are disabled to prevent the test signals being received by other
equipment on the ARINC-429 data bus.
PCI interrupts can be
triggered immediately following reception of complete ARINC-429 data words. The
interrupts are controlled and handled in a hierarchical manner so that the
reception of ARINC-429 data generates a module interrupt on the mother card
that generates a PCI interrupt to the host computer.
Ordering Information, Variants
& Modules:
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Sy429CPCI-RT88 : |
ARINC-429 Module with 8 Tx and 8 Rx channels |
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General Purpose 3U size CompactPCI interface supporting 32 channels |
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General Purpose 6U size CompactPCI interface supporting 64 channels |
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ARINC 429 Module with 16Rx channels |
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ARINC 429 Module with 16Tx channels |
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