FDC37B727-NS Standard Microsystems (SMSC), FDC37B727-NS Datasheet - Page 154
FDC37B727-NS
Manufacturer Part Number
FDC37B727-NS
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.FDC37B727-NS.pdf
(238 pages)
Specifications of FDC37B727-NS
Pin Count
128
Lead Free Status / RoHS Status
Compliant
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SMI Enable Register 2 (SMI_EN2)
Register Location:
Default Value:
Attribute:
Size:
SMI Enable
Register 2
Default = 0x00
on Vbat POR
NAME
This register is used to enable the different interrupt sources onto the group
nSMI output, and the group nSMI output onto the nSMI GPI/O pin.
Unless otherwise noted,
1=Enable
0=Disable
Bit[0] EN_MINT
Bit[1] EN_KINT
Bit[2] EN_IRINT
Bit[3] EN_BINT
Bit[4] EN_P12: Enable 8042 P1.2 to route internally to nSMI
0=Do not route to nSMI
1=Enable routing to nSMI.
Bit[5] Reserved
Bit[6] EN_SMI_PME: Enable the group nSMI output into the PME interface
logic.
0= Group SMI output does not go to PME interface logic
1= Enable group SMI output to PME interface logic
Bit[7] EN_SMI: Enable the group nSMI output onto the nSMI pin or Serial IRQ
frame (IRQ2).
0=SMI pin floats
1=Enable group nSMI output onto nSMI pin or serial IRQ frame
Note: the selection of either the nSMI pin or serial IRQ frame is done via bit 7
of the IRQ Mux Control Register (0xC0 in Logical Device 8).
< PM1_BLK >+15h System I/O Space
00h on Vbat POR
Read/Write
8-bits
154
DESCRIPTION
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