Intel E3845 FH8065301487715 Data Sheet
Product codes
FH8065301487715
PCU – Power Management Controller (PMC)
Intel
®
Atom™ Processor E3800 Product Family
4308
Datasheet
Write to APM
register
register
SMI_STS.apm_sts
SMI_EN.apmc_en
= 1’b1
= 1’b1
SMI
SMI
None
None
DOSCI message
from P-Unit
from P-Unit
GPE0a_STS.punit_
sci_sts
sci_sts
None (enabled by
P-Unit)
P-Unit)
SCI
None
SCI
None
DOSMI message
from P-Unit
from P-Unit
SMI_STS.punit_sci
_sts
_sts
None (enabled by
P-Unit)
P-Unit)
SMI
SMI
None
None
DOSCI message
from GUNIT
from GUNIT
5
GPE0a_STS.
GUNIT_STS
None (enabled by
G-Unit
8
)
SCI
None
SCI
None
ASSERT_SMI
message from
SPI
message from
SPI
5
SMI_STS.
SPI_SMI_STS
None (enabled by
SPI controller)
SPI controller)
SMI
None
ASSERT_SMI
message from
PCIe
message from
PCIe
5
SMI_STS.
PCI_EXP_SMI_ST
S
PCI_EXP_SMI_ST
S
None (enabled by
PCIe controller)
PCIe controller)
SMI
None
ASSERT_IS_SMI
message from
USB
message from
USB
SMI_STS.
USB_IS_STS
SMI_EN.
USB_IS_SMI_EN
=1b
=1b
SMI
None
ASSERT_SMI
message from
USB
message from
USB
SMI_STS.USB_ST
S
S
SMI_EN.
USB_SMI_EN=1b
SMI
None
ASSERT_SMI
message from
iLB
message from
iLB
5
SMI_STS.
ILB_SMI_STS
None (enabled by
iLB)
iLB)
SMI
None
Periodic timer
expires
expires
SMI_STS.
PERIODIC_STS
SMI_EN.
PERIODIC_EN=1b
SMI
None
WDT first
expiration
expiration
SMI_STS.TCO_ST
S
S
SMI_EN.TCO_EN
=1b
=1b
SMI
None
64 ms timer
expires
expires
SMI_STS.
SWSMI_TMR_STS
SWSMI_TMR_STS
SMI_EN.
SWSMI_TMR_EN
=1b
=1b
SMI
None
PM1_CNT.SLP_EN
bit written to 1b
bit written to 1b
SMI_STS.
SMI_ON_SLP_EN_
STS
STS
SMI_EN.
SMI_ON_SLP_EN
=1b
Sync SMI
6
None
PM1_CNT.GBL_RL
S written to 1b
S written to 1b
SMI_STS.BIOS_ST
S
S
SMI_EN.
BIOS_EN=1b
Sync SMI
6
None
DOSMI message
from GUNIT
from GUNIT
5
SMI_STS.
GUNIT_SMI_STS
None (enabled by
G-Unit
8
)
SMI
None
ASSERT_IS_SMI
message from
iLB
message from
iLB
5
SMI_STS.
ILB_SMI_STS
None (enabled by
iLB)
iLB)
Sync SMI
7
None
Table 291. Causes of SMI and SCI (Sheet 2 of 3)
Event
Status
Indication
1
Enable
Condition
Interrupt Result
SMI_EN.
GBL_SMI_EN=1b
SMI_EN.
GBL_SMI_EN=0b
PM1_CNT
.SCI_EN=
1b
PM1_CNT
.SCI_EN=
0b
PM1_CNT.
SCI_EN=
1b
PM1_CNT.
SCI_EN=0
b