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82801E датащи(PDF) 42 Page - Intel Corporation |
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82801E датащи(HTML) 42 Page - Intel Corporation |
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42 / 84 page ![]() Intel® 82801E C-ICH 42 Advance Information Datasheet 3.2.9 USB Interface 3.2.10 Power Signals Table 15. USB Interface Signals Name Type Description USBP0P USBP0N USBP1P USBP1N I/O Universal Serial Bus Port 1:0 Differential: These differential pairs are used to transmit Data/Address/Command signals for ports 0 and 1. OC[1:0]# I Overcurrent Indicators: These signals set corresponding bits in the USB controllers to indicate that an overcurrent condition has occurred. Table 16. Power Signals Name Type Description PWROK I Power OK: When asserted, PWROK is an indication to the 82801E C-ICH that core power and PCICLK have been stable for at least 1 ms. PWROK can be driven asynchronously. When PWROK is negated, the 82801E C-ICH asserts PCIRST#. RSM_PWROK I Resume Well Power OK: When asserted, this signal is an indication to the 82801E C-ICH that the resume well power has been stable for at least 10 ms. NOTE: The 82801E C-ICH does not use the resume well power OK signal. RSMRST# I Resume Well Reset: RSMRST# is used for resetting the resume power plane logic. NOTE: The 82801E C-ICH does not use the resume well reset signal. VRMPWRGD I VRM Power Good: VRMPWRGD should be connected to be the processor’s VRM Power Good. |
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