Processor Power Signals; Sense Pins - Intel 2ND GENERATION CORE PROCESSOR FAMILY MOBILE - DATASHEET VOLUME 1 01-2011 Datasheet

6.12

Processor Power Signals

Table 6-14. Processor Power Signals
Signal Name
VCC
VCCIO
VDDQ
VAXG
VCCPLL
VCCSA
VCCPQE
(BGA Only)
VCCDQ
(BGA Only)
VIDSOUT
VIDSCLK
VIDALERT#
VCCSA_VID[1]
6.13

Sense Pins

Table 6-15. Sense Pins
Signal Name
VCC_SENSE
VSS_SENSE
VAXG_SENSE
VSSAXG_SENSE
VCCIO_SENSE
VSS_SENSE_VCCIO
VDDQ_SENSE
VSS_SENSE_VDDQ
VCCSA_SENSE
VCC_DIE_SENSE
VCC_VAL_SENSE
VSS_VAL_SENSE
VAXG_VAL_SENSE
VSSAXG_VAL_SENSE
84
Description
Processor core power rail
Processor power for I/O
Processor I/O supply voltage for DDR3
Graphics core power supply.
VCCPLL provides isolated power for internal processor PLLs
System Agent power supply
Filtered, low noise derivative of VCCIO
Filtered, low noise derivative of VDDQ
VIDALERT#, VIDSCLK, and VIDSCLK comprise a three signal serial
synchronous interface used to transfer power management information
between the processor and the voltage regulator controllers. This serial
VID interface replaces the parallel VID interface on previous
processors.
Voltage selection for VCCSA: This pin must have a pull down resistor
to ground.
VCC_SENSE and VSS_SENSE provide an isolated, low impedance
connection to the processor core voltage and ground. They can be
used to sense or measure voltage near the silicon.
VAXG_SENSE and VSSAXG_SENSE provide an isolated, low
impedance connection to the V
be used to sense or measure voltage near the silicon.
VCCIO_SENSE and VSS_SENSE_VCCIO provide an isolated, low
impedance connection to the processor V
They can be used to sense or measure voltage near the silicon.
VDDQ_SENSE and VSS_SENSE_VDDQ provides an isolated, low
impedance connection to the V
be used to sense or measure voltage near the silicon.
VCCSA_SENSE provide an isolated, low impedance connection to
the processor system agent voltage. It can be used to sense or
measure voltage near the silicon.
Die Validation Sense:
V Validation Sense:
CC
V Validation Sense:
AXG
Description
voltage and ground. They can
AXG
voltage and ground.
CCIO
voltage and ground. They can
DDQ
Signal Description
Direction/
Buffer Type
Ref
Ref
Ref
Ref
Ref
Ref
Ref
Ref
I/O
O
I
CMOS
O
CMOS
Direction/
Buffer Type
O
Analog
O
Analog
O
Analog
O
Analog
O
Analog
O
Analog
O
Analog
O
Analog
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