Signal Description

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

Signal Name	Type	Description
GPP_H19/I2C0_SDA/I3C0_SDA	I/OD	I²C Link 0 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H20/I2C0_SCL/I3C0_SCL	I/OD	I²C Link 0 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H21/I2C1_SDA/I3C1_SDA	I/OD	I²C Link 1 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H22/I2C1_SCL/I3C1_SCL	I/OD	I²C Link 1 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H04/I2C2_SDA/CNV_MFUART2_RXD	I/OD	I²C Link 2 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H05/I2C2_SCL/CNV_MFUART2_TXD	I/OD	I²C Link 2 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_B02/ISH_I2C0_SDA/ISH_I3C0_SDA/I2C2A_SDA	I/OD	I²C Link 2A Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C2 controller, to support touch device interface convergence.
GPP_B03/ISH_I2C0_SCL/ISH_I3C0_SCL/I2C2A_SCL	I/OD	I²C Link 2A Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C2 controller, to support touch device interface convergence.
GPP_H06/I2C3_SDA/UART1_RXD/ISH_UART1A_RXD	I/OD	I²C Link 3 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_H07/I2C3_SCL/UART1_TXD/ISH_UART1A_TXD	I/OD	I²C Link 3 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_D01/I2C3A_SDA/ISH_I2C2A_SDA	I/OD	I²C Link 3A Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C3 controller, to support touch device interface convergence.
GPP_D02/I2C3A_SCL/ISH_I2C2A_SCL	I/OD	I²C Link 3A Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C3 controller, to support touch device interface convergence.
GPP_E12/THC_I2C0_SCL/THC0_SPI1_IO0/GSPI0_MOSI/I2C4_SCL	I/OD	I²C Link 4 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_E13/THC_I2C0_SDA/THC0_SPI1_IO1/GSPI0_MISO/I2C4_SDA	I/OD	I²C Link 4 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_B18/ISH_I2C2_SDA/I2C4A_SDA	I/OD	I²C Link 4A Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C4 controller, to support touch device interface convergence.
GPP_B19/ISH_I2C2_SCL/I2C4A_SCL	I/OD	I²C Link 4A Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C4 controller, to support touch device interface convergence.
GPP_F13/THC_I2C1_SDA/I3C2_SDA/THC1_SPI2_IO1/ISH_SPIA_MOSI/GSPI1_MISO/I2C5_SDA	I/OD	I²C Link 5 Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_F12/THC_I2C1_SCL/I3C2_SCL/THC1_SPI2_IO0/ISH_SPIA_MISO/GSPI1_MOSI/I2C5_SCL	I/OD	I²C Link 5 Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance.
GPP_B20/I2C5A_SDA/ISH_GP8	I/OD	I²C Link 5A Serial Data Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C5 controller, to support touch device interface convergence.
GPP_B21/I2C5A_SCL/ISH_GP9	I/OD	I²C Link 5A Serial Clock Line External Pull-up resistor may be required depending on Bus Capacitance. Note : Alternate interface from/to the same I2C5 controller, to support touch device interface convergence.