Reference Manual AFDX / ARINC 664 Application Interface Library
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Section 5 – Notes
5.2 Definition of Terms
address quintuplet
the address of an AFDX Comm port which consists of UDP
Source/Destination, IP Source/Destination, and MAC Destination
address (VL)
Big Endian
a system of memory addressing in which numbers that occupy more
than one byte in memory are stored "big end first" with the uppermost
8 bits at the lowest address.
Channel
Two physical AFDX ports
Driver Command
command used by the AIM target s/w to control the AIM device
FLASH
page oriented electrical erasable and programmable memory
function
a self-contained block of code with a specific purpose that returns a
single value.
Interframe Gap
Gap between the end of the preceding frame and the current frame.
interrupt
a signal from a device attached to a computer or from a program
within the computer that causes the main program that operates the
computer (the operating system) to stop and figure out what to do
next
Little Endian
a system of memory addressing in which numbers that occupy more
than one byte in memory are stored "little end first" with the lowest 8
bits at the lowest address.
multicast
Multicast is communication between a single sender and multiple
receivers on a network.
Packet Group Wait
Time
The time from the transmission start point of the last frame to the
start point of the current frame with a resolution of 1us.
Port
One physical AFDX Port
Strobe
a strobe is a signal that is sent that validates data or other signals on
adjacent parallel lines
Target
Refers to the software/communication active on the target device
unicast
Unicast is communication between a single sender and a single
receiver over a network.
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