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Glossary of Terms and Abbreviations
The glossary contains an alphabetical list of terms, phrases, and abbreviations used in this
book. Some of the terms and definitions included in the glossary are reprinted from IEEE
Std 754-1985, IEEE Standard for Binary Floating-Point Arithmetic, copyright ©1985 by
the Institute of Electrical and Electronics Engineers, Inc., with the permission of the IEEE.
A
Asserted. Indicates active state of signal has been set. Refers to either inputs
B
BERC. Bit Error Rate Checking.
BERT. Bit Error Rate Testing.
BIST. Built-In Self-Test.
Bit alignment. Refers to the transition tracking loop recovering data bits
Byte. Eight bits of uncoded data.
Byte alignment. Receiver identification of character boundaries through use
C
Character. An 8B/10B encoded byte of data.
D
Double data rate (DDR). The data is transferred on both the rising and
G
Gigabit. A unit of speed of data transfer. One gigabit indicates a data
Gigabaud. A unit of speed of symbol transfer. One gigabaud indicates a data
MOTOROLA
or outputs.
from the serial input stream.
of Idle character recognition.
falling edge of the clock rather than on just the rising edge.
throughput of 1 billion bits per second requiring a transfer rate of
1.25 billion symbols per second of 8B/10B encoded data.
throughput of 800 million bits per second requiring a transfer rate of
1.0 billion symbols per second of 8B/10B encoded data.
Glossary
Glossary-1
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