Chapter 1
Introduction
page 1 - 2
Excalibur Systems
1.1
Overview
The
DAS-429PCI/Mx
is a modular ARINC-429 memory-mapped, multi-channel
(up to 24) test, simulation, and monitor board for PCI systems. The
DAS-429PCI/Mx
provides a total solution for developing and testing ARINC-429
interfaces and for performing system simulation of the ARINC-429 bus, both in
the lab and in the field.
The
DAS-429PCI/Mx
is based on the latest Surface Mount Technology, which
substantially reduces the area required. The
DAS-429PCI/Mx
comes configured
with 2(x) transmit and 4(x) receive channels (where x = number of modules
ordered). The channels are organized in four independent modules (P/N:
M429R4T2), each configured with 4 receive and 2 transmit channels. Each
module contains an on board hi-speed controller and 16K x 16 true
dual-port RAM. Each module is accessed through a paging mechanism and
operates independently. Each module can be set up to generate interrupts to the
host in a variety of circumstances through an extensive interrupt structure. Both
transmit and receive channels may be programmed for Hi (100Khz) or Lo
(12.5Khz) speed bit rates. In addition, either odd or even parity may be
programmed for transmit channels.
All control registers and data blocks can be accessed directly in real time. The
board supports filtering of receive data and multiple data storage modes. Status
and time tag information are appended to each word. The transmit channels
operate via a transmitter “instruction” stack which allows scheduling of data
transmissions and reduces the need for host computer intervention. The
DAS-429PCI/Mx
comes complete with C driver software libraries, including
source code.
The
DAS-429PCI/Mx
is ideally suited for developing, simulating, testing and
monitoring ARINC-429 interfaces for multi-channel applications requiring a
single PCI board.
DAS-429PCI/Mx Board Features:
See
Chapter 6: Ordering Information
for exact part numbers.
Up to 24 ARINC-429 channels (Receive and
Transmit)
Eurocard 3U size
Compatible with PCI computers
Easy to install and operate
Organized in 4 modules, each containing:
4 Receive channels
2 Transmit channels
16k
×
16 true dual-port RAM
On board 32 bit processor
12.5Khz bit and 100Khz bit data rates
Selectable even/odd parity
Programmable interword gap
Real time operation
Transmission modes:
One-shot
Loop
N-times
Two Receive/Monitor modes:
Sequential
Look-up table
32 bit time tagging per word
Merge mode stores data from multiple receive
channels in one buffer
Label filtering
Start triggers
Receive count interval triggers
Interrupt and polling modes of operation
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