Power management state (pm_state), Ate, the, Power management state – SMSC LAN9420 User Manual

Page 154: Pm_state), Fiel, Ate in the, Power, Management state (pm_state), Field, Datasheet

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Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Datasheet

Revision 1.22 (09-25-08)

154

SMSC LAN9420/LAN9420i

DATASHEET

Note 4.11

The default state of this field is dependant on the setting of the VAUXDET signal as noted
in the description.

1:0

Power Management State (PM_STATE)
This field sets the current PM state.
00b = D0
01b = RESERVED
10b = RESERVED
11b = D3

Operations that attempt to write a RESERVED setting to this field will
complete normally on the PCI bus; however D[1:0] are ignored and no state
change occurs.

R/W

00b

BITS

DESCRIPTION

TYPE

DEFAULT

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