Intel® Core™ Ultra Processor

Datasheet, Volume 1 of 2
Supporting Intel® Core™ Ultra Processor for U/H/U-Type4-series Platforms, formerly known as Meteor Lake

ID Date Version Classification
792044 05/09/2025 Public
Document Table of Contents

Digital Display Interface TCP Signals

Digital Display Interface TCP Signals

Signal Name

Type

Description

Availability

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.

H/U/U Type4-Series Processors

TCP0_​AUX_​P

TCP0_​AUX_​N

I/O

Digital Display Interface 0 (TCP0): DisplayPort Auxiliary: Half-duplex, bidirectional channel consist of one differential pair.

H/U/U Type4-Series Processors

GPP_​C17/TBT_​LSX0_​RXD/DDP0_​CTRLDATA/USB-C_​GPP_​C17

GPP_​C16/TBT_​LSX0_​TXD/DDP0_​CTRLCLK/USB-C_​GPP_​C16

I/O

Digital Display Interface 0 (TCP0): HDMI Graphics Management Bus (GMBUS).

H/U/U Type4-Series Processors

GPP_​B09/DDSP_​HPD0/DISP_​MISC1/USB-C_​GPP_​B09

I

Digital Display Interface 0 (TCP0): Hot Plug Detect (HPD).

H/U/U Type4-Series Processors

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.

H/U/U Type4-Series Processors

TCP1_​AUX_​P

TCP1_​AUX_​N

I/O

Digital Display Interface 1 (TCP1): DisplayPort Auxiliary: Half-duplex, bidirectional channel consist of one differential pair.

H/U/U Type4-Series Processors

GPP_​C19/TBT_​LSX1_​RXD/DDP1_​CTRLDATA/USB-C_​GPP_​C19

GPP_​C18/TBT_​LSX1_​TXD/DDP1_​CTRLCLK/USB-C_​GPP_​C18

I/O

Digital Display Interface 1 (TCP1): HDMI Graphics Management Bus (GMBUS).

H/U/U Type4-Series Processors

GPP_​B10/DDSP_​HPD1/DISP_​MISC2/USB-C_​GPP_​B10

I

Digital Display Interface 1 (TCP1): Hot Plug Detect (HPD).

H/U/U Type4-Series Processors

TCP2_​TXRX[1:0]_​P

TCP2_​TXRX[1:0]_​N

TCP2_​TX[1:0]_​P

TCP2_​TX[1:0]_​N

O

Digital Display Interface 2 (TCP2): Digital Display Interface main link transmitter lanes.

H/U-Series Processors only

TCP2_​AUX_​P

TCP2_​AUX_​N

I/O

Digital Display Interface 2 (TCP2): DisplayPort Auxiliary: Half-duplex, bidirectional channel consist of one differential pair.

H/U-Series Processors only

GPP_​C21/TBT_​LSX2_​RXD/DDP2_​CTRLDATA/USB-C_​GPP_​C21

GPP_​C20/TBT_​LSX2_​TXD/DDP2_​CTRLCLK/USB-C_​GPP_​C20

I/O

Digital Display Interface 2 (TCP2): HDMI Graphics Management Bus (GMBUS).

H/U-Series Processors only

GPP_​B11/USB_​OC1#/DDSP_​HPD2/DISP_​MISC3/USB-C_​GPP_​B11

I

Digital Display Interface 2 (TCP2): Hot Plug Detect (HPD).

H/U-Series Processors only

TCP3_​TXRX[1:0]_​P

TCP3_​TXRX[1:0]_​N

TCP3_​TX[1:0]_​P

TCP3_​TX[1:0]_​N

O

Digital Display Interface 3 (TCP3): Digital Display Interface main link transmitter lanes.

H/U-Series Processors only

TCP3_​AUX_​P

TCP3_​AUX_​N

I/O

Digital Display Interface 3 (TCP3): DisplayPort Auxiliary: Half-duplex, bidirectional channel consist of one differential pair.

H/U-Series Processors only

GPP_​C23/TBT_​LSX3_​RXD/DDP3_​CTRLDATA/USB-C_​GPP_​C23

GPP_​C22/TBT_​LSX3_​TXD/DDP3_​CTRLCLK/USB-C_​GPP_​C22

I/O

Digital Display Interface 3 (TCP3): HDMI Graphics Management Bus (GMBUS).

H/U-Series Processors only

GPP_​B14/USB_​OC2#/DDSP_​HPD3/DISP_​MISC4/USB-C_​GPP_​B14

I

Digital Display Interface 3 (TCP3): Hot Plug Detect (HPD).

H/U-Series Processors only

TCP_​RCOMP

Analog

DDI IO Compensation resistors.

H/U/U Type4-Series Processors
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.