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USB2504 Fiches technique(PDF) 40 Page - SMSC Corporation

No de pièce USB2504
Description  Integrated USB 2.0 Compatible 4-Port Hub
PDF  46 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2504 Fiches technique(HTML) 40 Page - SMSC Corporation

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Integrated USB 2.0 Compatible 4-Port Hub
Datasheet
Revision 2.1 (12-06-06)
40
SMSC USB2504/USB2504A
DATASHEET
Chapter 7 XNOR Test
XNOR continuity tests all signal pins on the Hub (every pin except for NC, XTAL1/CLKIN, XTAL2,
ATEST/REG_EN, RBIAS, TEST1, Power, and Ground). This functionality is enabled by driving TEST1
and CFG_SEL[1] high, driving SCLK low and transition RESET_N from low to high. The output from
the XNOR chain is driven to GR2 . For each pin tested for continuity GR2 should toggle.



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