Processor Power Rails

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Revision History
Introduction
Technologies
Power Management
Thermal Management
Memory
- System Memory Interface
- Integrated Memory Controller (IMC) Power Management
PCIe* Interface
- Processor PCI Express* Interface
Direct Media Interface and On Package Interface
- Direct Media Interface (DMI)
  - DMI Error Flow
  - DMI Link Down
- On Package Interface (OPI)
  - OPI Support
  - Functional Description
Graphics
- Processor Graphics
  - Media Support (Intel® QuickSync and Clear Video Technology HD)
  - Platform Graphics Hardware Feature
    - Hybrid Graphics
Display
Signal Description
Electrical Specifications
- Processor Power Rails
- DC Specifications
  - Processor Power Rails DC Specifications
  - Processor Interfaces DC Specifications
Package Mechanical Specifications
- Package Mechanical Attributes
- Package Storage Specifications
CPU And Device IDs

Signal Name	Description	Dir.	Buffer Type	Link Type	Availability
VCCCORE	Processor IA Cores and Ring power rail	I	PWR	—	All Processor Lines
VCCGT	Processor Graphics power rail	I	PWR	—	All Processor Lines
VCCIN_AUX	Support internal FIVR’s, SA, PCIe, Display IO and other internal Blocks.	I	PWR	—	All Processor Lines
VCCIN_AUX_FLTR	Support internal FIVR’s, SA, PCIe, Display IO and other internal Blocks. this pin should be connected to decoupling for filter.	I	PWR	—	All Processor Lines
VCC1P05_PROC	Sustain and Sustain Gated Power Rail	I	PWR	—	All Processor Lines
VCC1P8_PROC	PCIE PHY Power 1.8V Rail	I	PWR	—	S Processor Line
VDD2	System Memory power rail	I	PWR	—	All Processor Lines
VDD2_EDGECAP	Internal power pin, this pin should be connected to a decoupling capacitor and ground	I	PWR	—	S Processor Line
VCCIN_AUX_EDGECAP	Internal power pin, this pin should be connected to a decoupling capacitor and ground	I	PWR	—	S Processor Line
VDD2_DDR5_SENSE	Isolated, low impedance DDR5 voltage sense pins.	N/A	PWR_ SENSE	—	S Processor Line
VCCGT_SENSE	Isolated, low impedance voltage sense pins. They can be used to sense or measure voltage near the silicon.	N/A	PWR_ SENSE	—	All Processor Lines
VCC_SENSE					All Processor Lines
VCCIN_AUX_SENSE / VCCINAUX_SENSE					All Processor Lines
VCC1P05_PROC_SENSE					S Processor Line

Signal Name	Description	Dir.	Buffer Type	Link Type	Availability
VSSGT_SENSE	Isolated, low impedance Ground sense pins. They can be used for the reference ground near the silicon.	N/A	GND_ SENSE	—	All Processor Lines
VSS_SENSE	All Processor Lines
VSSIN_AUX_SENSE / VSSINAUX_SENSE	All Processor Lines

Signal Name

Description

Dir.

Buffer Type

Link

Type

Availability

VSSGT_SENSE

Isolated, low impedance Ground sense pins. They can be used for the reference ground near the silicon.

N/A

GND_

SENSE

—

All Processor Lines

VSS_SENSE

All Processor Lines

VSSIN_AUX_SENSE / VSSINAUX_SENSE

All Processor Lines

Power Sequencing Signals Ground and Reserved Signals

13th Generation Intel® Core™ Processors