FDC37B727-NS SMSC, FDC37B727-NS Datasheet - Page 146

• Manufacturer Part Number: FDC37B727-NS
• Description: IC CTRLR SUPER I/O ENH 128-QFP
• Manufacturer: SMSC

Specifications of FDC37B727-NS

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 30mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1005

ACPI Registers
In the FDC37B72x, the PME wakeup events can be enabled as SCI events through the SCI_STS1 and
SCI_EN1 bits in the GPE status and enable registers. See PME Interface and SMI/PME/SCI logic
sections.
Power Management 1 Status Register 1 (PM1_STS 1)
Register Location:
Default Value:
Attribute:
Size:
0-7
Note 1: This bit is set by hardware and can only be cleared by software writing a one to this bit position
BIT
and by Vbat POR. Writing a 0 has no effect.
Reserved
NAME
Read/Write (Note 0)
8-bits
<PM1_BLK> System I/O Space
00h on Vbat POR
Reserved. These bits always return a value of zero.
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DESCRIPTION