GPIB General Purpose Interface Bus
description
Transcript of GPIB General Purpose Interface Bus
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GPIB
GENERAL PURPOSE INTERFACE BUS
Raymond Giron, Adam Bahr, George Asbeck
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History Originally developed by HP in
the 1960’s Wanted an easier way to
interface the instruments and controllers
Other companies started using it and named it the General Purpose Interface Bus
The device was standardized in 1975 by the IEEE and again in 1978 and 1987
IEEE 448.1 is the standard for the connector, while IEEE 488.2 is the control command standard
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Characteristics Total of 24 pins on the device 8 pins for data, 8 for ground, 5
for bus management and 3 “handshake” pins
Connected devices can be talkers, listeners, or controllers
Wires are “double-headed” with a male connector on one side and female on the other
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Advantages Rugged connector that is screwed in
place Well established and supported by many
devices Fast and slow devices can be used in the
same system
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Up to 15 connectors can be stacked together
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Disadvantages Connector is large and bulky Cable and connector are more expensive
to make than others such as USB Maximum transfer rate is around 8
Mbits/s USB 3.0 can transfer at 5 Gbits/s Not a standard connector on modern PCs
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Sources http://www.hit.bme.hu/~papay/edu/GPIB/tutor.htm
http://en.wikipedia.org/wiki/IEEE-488
http://digital.natinst.com/public.nsf/$CXIV/ATTACH-AEEE-7E8RYX/$FILE/GPIB.JPG
http://en.wikipedia.org/wiki/File:IEEE-488-Stecker2.jpg
http://www.ee.ucla.edu/~ftwang/ee202/Week7/gpib.jpg