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USB2502 Datenblatt(PDF) 37 Page - SMSC Corporation |
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USB2502 Datenblatt(HTML) 37 Page - SMSC Corporation |
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37 / 44 page ![]() 2-Port USB 2.0 Hub Controller Datasheet SMSC USB2502 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, TEST, Power, and Ground). This functionality is enabled by driving TEST 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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