Intel® Core™ Processor (Series 3)

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

ID Date Version Classification
913965 05/19/2026 Public

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Document Table of Contents
RFM

Digital Display Interface TCP Signals

Signal Name Type Description

TCP0_​TXRX[1:0]_​P

TCP0_​TXRX[1:0]_​N

TCP0_​TX[1:0]_​P

TCP0_​TX[1:0]_​N

O Digital Display Interface 0 (TCP0): Digital Display Interface main link transmitter lanes.
TCP0_​AUX_​P

TCP0_​AUX_​N

I/O Digital Display Interface 0 (TCP0): DisplayPort Auxiliary: Half-duplex, bidirectional channel consists of one differential pair.
GPP_​C17/TBT_​LSX0_​RXD/DDP0_​CTRLDATA

GPP_​C16/TBT_​LSX0_​TXD/DDP0_​CTRLCLK

I/O Digital Display Interface 0 (TCP0): HDMI Graphics Management Bus (GMBUS).
GPP_​B09/DDSP_​HPD0#/DISP_​MISC1 I Digital Display Interface 0 (TCP0): Hot Plug Detect (HPD).
TCP1_​TXRX[1:0]_​P

TCP1_​TXRX[1:0]_​N

TCP1_​TX[1:0]_​P

TCP1_​TX[1:0]_​N

O Digital Display Interface 1 (TCP1): Digital Display Interface main link transmitter lanes.
TCP1_​AUX_​P

TCP1_​AUX_​N

I/O Digital Display Interface 1 (TCP1): DisplayPort Auxiliary: Half-duplex, bidirectional channel consists of one differential pair.
GPP_​C19/TBT_​LSX1_​RXD/DDP1_​CTRLDATA

GPP_​C18/TBT_​LSX1_​TXD/DDP1_​CTRLCLK

I/O Digital Display Interface 1 (TCP1): HDMI Graphics Management Bus (GMBUS).
GPP_​B10/DDSP_​HPD1#/DISP_​MISC2 I Digital Display Interface 1 (TCP1): Hot Plug Detect (HPD).
TCP_​RCOMP Analog DDI IO Compensation resistors.
GPP_​B09/DDSP_​HPD0#/DISP_​MISC1 O Display Misc signals.
GPP_​B10/DDSP_​HPD1#/DISP_​MISC2 O Display Misc signals.
GPP_​B14/USB_​OC1#/DDSP_​HPDB#/DISP_​MISCB O Display Misc signals.
Notes:
  • Auxiliary Channel (AUX CH) is a half-duplex bidirectional channel used for link management and device control. AUX CH is an AC coupled differential signal.

  • GMBUS follows I2C Protocol