Intel E3845 FH8065301487715 데이터 시트
제품 코드
FH8065301487715
PCU – Power Management Controller (PMC)
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
4299
30
PCU – Power Management
Controller (PMC)
The Power Management Controller (PMC) controls many of the power management
features present in the SoC.
features present in the SoC.
30.1
Signal Descriptions
Please see
for additional details.
The signal description table has the following headings:
•
Signal Name: The name of the signal/pin
•
Direction: The buffer direction can be either input, output, or I/O (bidirectional)
•
Platform Power: The reference power plane.
•
Description: A brief explanation of the signal’s function
I
O
I
O
I
O
I
O
I
O
I
O
I
O
O
Platform Control Unit
UA
RT
RT
SM
B
B
iLB
SPI
PMC
Table 287. PMC Signals (Sheet 1 of 3)
Signal Name
Direction
Plat. Power
Description
PMC_ACPRESENT
I
V1P8A
AC Present: This input pin indicates when the platform
is plugged into AC power.
is plugged into AC power.
PMC_BATLOW#
I
V1P8A
Battery Low: An input from the battery to indicate that
there is insufficient power to boot the system. Assertion
will prevent wake from the S5 state. This signal can also
be enabled to cause an SMI# when asserted.
In configurations without a battery, this signal should be
tied high to V1P8_S5.
there is insufficient power to boot the system. Assertion
will prevent wake from the S5 state. This signal can also
be enabled to cause an SMI# when asserted.
In configurations without a battery, this signal should be
tied high to V1P8_S5.