EGS-MX1
38 EGS-MX1 Quick Reference Guide
2.4.16.1.13 DDI Signals
Signal
Signal Description
DDI[1:3]_PAIR[0:3]+
DDI[1:3]_PAIR[0:3]-
Digital Display Interface 1 to 3Pair[0:3] differential pairs
DDI[1:3]_DDC_AUX_SEL
Selects the function of DDI[1:3]_CTRL and DDI[1:3]_CTRLDATA_AUX-.
If this input is floating the AUX pair is used for the DP AUX+/- signals. If pulled-high
the AUX pair contains the CRTLCLK and CTRLDATA signals.
DDI[1:3]_CTRL
DP AUX+function if DDI[1:3]_DDC_AUX_SEL is no connect
HDMI/DVI 12C CTRLCLK if DDI[1:3]_DDC_AUX_SEL is pulled high
DDI[1:3]_CTRLDATA_AUX-
DP AUX-function if DDI[1:3]_DDC_AUX_SEL is no connect
HDMI/DVI 12C CTRLDATA if DDI[1:3]_DDC_AUX_SEL is pulled high
DDI[1:3]_HPD
Digital Display Interface Hot-Plug Detect
2.4.16.1.14 PEG PCI Express Lanes Signals
Signal
Signal Description
PEG_TX[0:15]+
PEG_TX[0:15]-
PCI Express Graphics transmit differential paris.
PEG_RX[0:15]+
PEG_RX[0:15]-
PCI Express Graphics recevie differential paris.
