Intel® Core™ Processor (Series 3)

Formerly known as Wildcat Lake, Datasheet, Volume 1 of 2

ID Date Version Classification
913965 05/19/2026 001 Public
Document Table of Contents
RFM

Signal Description

Signal Name

Type

Description

GPP_​C03/SML0CLK

I/OD

System Management Link 0 Clock: SMLink clock to external PHY.

External Pull-up resistor required.

GPP_​C04/SML0DATA

I/OD

System Management Link 0 Data: SMLink data to external PHY.

External Pull-up resistor required.

GPP_​C05/SML0ALERT#

I/OD

System Management Link 0 Alert: Alert for the SMLink controller to optional Embedded Controller or BMC.

External Pull-up resistor required.

GPP_​D06/ISH_​UART0_​TXD/ISH_​SPI_​CLK/SML0BCLK I/OD

System Management Link 0 B Clock

External Pull-up resistor required.

Note: Alternate interface from/to same SML0 controller

GPP_​D05/ISH_​UART0_​RXD/ISH_​SPI_​CS#/SML0BDATA I/OD

System Management Link 0 B Data

External Pull-up resistor required.

Note: Alternate interface from/to same SML0 controller

GPP_​D08/ISH_​UART0_​CTS#/ISH_​SPI_​MOSI/SML0BALERT# I/OD

System Management Link 0 B Alert

External Pull-up resistor required.

Note: Alternate interface from/to same SML0 controller

GPP_​C06/SML1CLK

I/OD

System Management Link 1 Clock: SMLink clock to optional Embedded Controller or BMC.

External Pull-up resistor required.

GPP_​C07/SML1DATA

I/OD

System Management Link 1 Data: SMLink data to optional Embedded Controller or BMC.

External Pull-up resistor required.

GPP_​C08/SML1ALERT#/SOCHOT#

I/OD

System Management Link 1 Alert: Alert for the SMLink controller to optional Embedded Controller or BMC. A soft-strap determines the native function SML1ALERT# or SOCHOT# usage.

This is NOT the right Alert pin for USB-C* usage.

External Pull-up resistor is required on this pin.

GPP_​B00/USB-C_​SMLCLK I/OD

System Management bus over Sideband 2 Core clock

External Pull-up resistor required.

GPP_​B01/USB-C_​SMLDATA I/OD

System Management bus over Sideband 2 Core data

External Pull-up resistor required.

GPP_​A08/PSE_​SMLCLK I/OD

Platform Security Engine System Management Link Clock: SMLink clock to biometric sensor.

External Pull-up resistor required.

GPP_​A09/PSE_​SMLDATA I/OD

Platform Security Engine System Management Link Data: SMLink data to biometric sensor.

External Pull-up resistor required.

GPP_​A10/PSE_​SMLALERT# I/OD

Platform Security Engine System Management Link Alert : Alert for the SMLink controller to biometric sensor.

External Pull-up resistor required.

INTRUDER# I

Intruder Detect.