LAN9730 Datasheet, PDF (40/61 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

High-Speed Inter-Chip (HSIC) USB 2.0 to 10/100 Ethernet Controller
Datasheet
Revision 1.1 (05-13-13)
Host & Chipset Powered Off
EC Sets PME_MODE_SEL = 1 And
Pulses PME_CLEAR Low
Device Has EEPROM With GPIO
PME Enable =1, Enters PME Mode
Wakeup Event Detected
By Device?
True
Device Asserts PME
False
EC Detects PME
EC To Wake System To
Process Wakeup Event?
No
EC Asserts PME_CLEAR
Device Resets And Deasserts PME
Yes
EC Signals Enable To Host
EC Sets PME_MODE_SEL = 0 And
Asserts PME_CLEAR
Device Resets And Deasserts PME
Device Connects To USB Bus
Device Is In Normal Operation
Figure 5.2 PME Operation
40
DATASHEET
SMSC LAN9730/LAN9730i