FW82801BA S L5FC Intel, FW82801BA S L5FC Datasheet - Page 69
FW82801BA S L5FC
Manufacturer Part Number
FW82801BA S L5FC
Description
Manufacturer
Intel
Datasheet
1.FW82801BA_S_L5FC.pdf
(671 pages)
Specifications of FW82801BA S L5FC
Lead Free Status / RoHS Status
Not Compliant
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Intel
Pin States
3.1
Intel
®
Table 25. Intel
82801EB ICH5 / 82801ER ICH5R Datasheet
®
Power Planes
ICH5 Power Planes and
(3.3 V Standby)
(1.5 V Standby)
Resume Logic
(0.8 ~ 1.75 V)
Processor I/F
Resume I/O
®
Main Logic
Main I/O
(3.3 V)
(1.5 V)
Plane
ICH5 Power Planes
RTC
Vcc3_3: Powered by the main power supply. When the system is in the S3, S4, S5, or
G3 state, this plane is assumed to be shut off.
Vcc1_5: Powered by the main power supply. When the system is in the S3, S4, S5, or
G3 state, this plane is assumed to be shut off.
VccSus3_3: Powered by the main power supply in S0–S1 states. Powered by the
trickle power supply when the system is in the S3, S4, or S5 state. Assumed to be shut
off only when in the G3 state (system is unplugged).
VccSus1_5: Powered by the main power supply in S0–S1 states. Powered by the
trickle power supply when the system is in the S3, S4, or S5 state. Assumed to be shut
off only when in the G3 state (system is unplugged).
These planes are generated from the integrated VRM.
V_CPU_IO: Powered by the main power supply via processor voltage regulator. When
the system is in the S3, S4, S5, or G3 state, this plane is assumed to be shut off.
VccRTC: When other power is available (from the main supply), external diode coupling
will provide power to reduce the drain on the RTC battery. The batter is assumed to
operate from 3.3 V down to 1.0 V.
Intel
Description
®
ICH5 Power Planes and Pin States
3
69
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