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LAN9500AI Datasheet(PDF) 115 Page - Microchip Technology

Part # LAN9500AI
Description  LAN950x USB 2.0 to 10/100 Ethernet Controller
PDF  213 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9500AI Datasheet(HTML) 115 Page - Microchip Technology

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 2010 - 2015 Microchip Technology Inc.
DS00001875A-page 115
LAN950x
FIGURE 6-2:
PME OPERATION
Wakeup Event Detected
By Device?
Host & Chipset Powered Off
Device Asserts PME
True
False
VBUS_DET Set To 0 By EC
Or Via Circuitry
EC Sets PME_MODE_SEL = 1 And
Pulses PME_CLEAR Low
Device Has EEPROM With GPIO
PME Enable =1, Enters PME Mode
EC Detects PME
EC To Wake System To
Process Wakeup Event?
EC Asserts PME_CLEAR
Device Resets And Deasserts PME
VBUS_DET Set to 1 By EC
Or Via Circuitry
EC Sets PME_MODE_SEL = 0 And
Asserts PME_CLEAR
EC Signals Enable To Host
Device Resets And Deasserts PME
Device Connects To USB Bus
Device Is In Normal Operation
Yes
No



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