LPC47M140-NC SMSC [SMSC Corporation], LPC47M140-NC Datasheet - Page 134

• Manufacturer Part Number: LPC47M140-NC
• Description: 128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – LPC47M14X
SMI_EN2
Default = 0x00
on VTR POR
SMI_EN3
Default = 0x00
on VTR POR
SMI_EN4
Default = 0x00
on VTR POR
NAME
REG OFFSET
(R/W)
(R/W)
(R/W)
(hex)
17
18
19
SMI Enable Register 2
This register is used to enable the different interrupt
sources onto the group nSMI output, and the group nSMI
output onto the nIO_SMI GPI/O pin, the serial IRQ stream
or into the PME Logic.
Unless otherwise noted,
1=Enable
0=Disable
Bit[0] EN_MINT
Bit[1] EN_KINT
Bit[2] EN_IRINT
Bit[3] Reserved
Bit[4] EN_P12
Bit[5] EN_SMI_PME (Enable group SMI into PME logic)
Bit[6] EN_SMI_S (Enable group SMI onto serial IRQ)
Bit[7] EN_SMI (Enable group SMI onto nIO_SMI pin)
SMI Enable Register 3
This register is used to enable the different interrupt
sources onto the group nSMI output.
1=Enable
0=Disable
Bit[0] GP20
Bit[1] GP21
Bit[2] GP22
Bit[3] Reserved
Bit[4] GP24
Bit[5] GP25
Bit[6] GP26
Bit[7] GP60
SMI Enable Register 4
This register is used to enable the different interrupt
sources onto the group nSMI output.
1=Enable
0=Disable
Bit[0] GP30
Bit[1] GP31
Bit[2] GP32
Bit[3] GP33
Bit[4] GP41
Bit[5] GP42
Bit[6] GP43
Bit[7] GP61
Page 134
DESCRIPTION
Rev. 03/19/2001