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Computer Interface Lecture 11 in UCSD Physics 121, Winter 2011, Lecture notes of Experimental Techniques

University of California - Los Angeles (UCLA)Experimental Techniques

A series of slides from lecture 11 of the computer interface unit in the university of california, san diego (ucsd) physics 121 course during the winter 2011 academic term. The slides cover various topics related to computer interfaces, including serial and parallel ports, data sampling, and communication protocols. The slides also include diagrams and illustrations to help explain the concepts.

Typology: Lecture notes

2011/2012

Uploaded on 01/17/2012

lana87
lana87 🇺🇸

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Computer Interface 02/21/2007
Lecture 11 1
Winter 2011
UCSD: Physics 121; 2011
2
Winter 2011
UCSD: Physics 121; 2011
3
Winter 2011
UCSD: Physics 121; 2011
4
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Download Computer Interface Lecture 11 in UCSD Physics 121, Winter 2011 and more Lecture notes Experimental Techniques in PDF only on Docsity!

Winter 2011 UCSD: Physics 121; 2011 2 Winter 2011 UCSD: Physics 121; 2011 3 Winter 2011 UCSD: Physics 121; 2011 4

Winter 2011 UCSD: Physics 121; 2011 5 Device A bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 Device B strobe Device A data Device B slide courtesy E. Michelsen Winter 2011 UCSD: Physics 121; 2011 6 data valid data held static for some interval see http://www.beyondlogic.org/index.html#PARALLEL Winter 2011 UCSD: Physics 121; 2011 7 Winter 2011 UCSD: Physics 121; 2011 8 serial port parallel port

Winter 2011 UCSD: Physics 121; 2011 13 start bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 parity stop 1 idle 9600, 7E2 idle start bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 stop idle idle ASCII “A” = 0x 9600, 8N 1 bit @ 9600 bps = 1/9600th^ sec stop 2 slide courtesy E. Michelsen Winter 2011 UCSD: Physics 121; 2011 14 Winter 2011 UCSD: Physics 121; 2011 15 Winter 2011 UCSD: Physics 121; 2011 16

Winter 2011 UCSD: Physics 121; 2011 17 Winter 2011 UCSD: Physics 121; 2011 18 CAMAC crate (above) and inhabitants (right) including two custom modules, two commercial time-to-digital converters (TDCs) and the crate controller (note interface cable (50-pin SCSI-2 style) Winter 2011 UCSD: Physics 121; 2011 19 Winter 2011 UCSD: Physics 121; 2011 20