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USB2503 数据表(PDF) 37 Page - SMSC Corporation

部件名 USB2503
功能描述  Integrated USB2.0 Compatible 3-Port Hub
PDF  43 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB2503 数据表(HTML) 37 Page - SMSC Corporation

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Integrated USB 2.0 Compatible 3-Port Hub
Datasheet
SMSC USB2503/USB2503A
37
Revision 2.1 (12-06-06)
DATASHEET
Chapter 6 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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