NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 153

• Manufacturer Part Number: NCT6627UD
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of NCT6627UD

• Lead Free Status / Rohs Status: Supplier Unconfirmed

13.1.1
13.1.1.1.
The PSOUT# signal will be asserted low if the PSIN# signal is asserted low. The PSOUT# signal is held low for
as long as the PSIN# is held low. The South Bridge controls the SUSB# signal through the PSOUT# signal. The
PSON# is directly connected to the power supply to turn on or off the power.
Figure 13-2 shows the power on and off sequences.
The ACPI state changes from S5 to S0, then to S5
48 / 24 MHz
48 / 24 MHz
48 / 24 MHz
48 / 24 MHz
IOCLK
IOCLK
IOCLK
IOCLK
PSIN#
PSIN#
PSIN#
PSIN#
PSON# Logic
3VCC
5VCC
3VCC
5VCC
Normal Operation
W83627DHG
W83627UHG
W83627DHG
W83627UHG
3VSB/VBAT
5VSB/VBAT
3VSB/VBAT
5VSB/VBAT
SUSB#
SUSB#
SUSB#
SUSB#
PSON#
PSON#
PSON#
PSON#
PSOUT#
PSOUT#
PSOUT#
PSOUT#
Figure 13-1 Power Control Mechanism
PWRBTN#
PWRBTN#
PWRBTN#
PWRBTN#
South Bridge
South Bridge
South Bridge
South Bridge
-144-
SLP_S3#
SLP_S3#
SLP_S3#
SLP_S3#
W83627UHG/NCT6627UD
Publication Release Date: October 26, 2010
Power
Power
Power
Power
Supply
Supply
Supply
Supply
PSON#
PSON#
PSON#
PSON#
VCC ON
VCC ON
VCC ON
VCC ON
VCC ON
VCC ON
Revision 1.7