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USB97CFDC2-01 Fiches technique(PDF) 14 Page - SMSC Corporation

No de pièce USB97CFDC2-01
Description  USB Floppy Disk Controller
PDF  24 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB97CFDC2-01 Fiches technique(HTML) 14 Page - SMSC Corporation

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SMSC DS – USB97CFDC2-01
Page 14
Rev. 02-27-07
DATASHEET
7
BOARD TEST MODE OPERATION
By driving the nTESTEN pin low, the device will be placed into a special test mode to allow verification of attachment
of the device to the circuit board. Every pin except the TSTOUT, XTAL2, and the power and ground pins become an
input to an XNOR chain, as shown below, to allow continuity to be tested on the board. This test should individually
toggle the state of the trace connected to the pin being examined for continuity, and the TSTOUT pin monitored for
toggle of state. If no toggle occurs, either the pin under test is discontinuous, or the TSTOUT pin is not connected on
the board
Pin1
Pin2
Pin3
Pin100
TSTOUT



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