
ESM-BYT User’s Manual
ESM-BYT User’s Manual
2.4.3.1 Signal Description – COM Express Connector 2 (CN1B)
2.4.3.1.1 USB3.0 Signals
USB_SSTX[0]+
USB_SSTX[0]-
Additional transmit signal differential pairs for the SuperSpeed USB data path.
USB_SSRX[0]+
USB_SSRX[0]-
Additional receive signal differential pairs for the SuperSpeed USB data path.
2.4.3.1.2 DDI Signals
DDI[1:2]_PAIR[0:3]+
DDI[1:2]_PAIR [0:3]-
Digital Display Interface 1 to 2 Pair[0:3] differential pairs
Selects the function of DDI[1:2]_CTRLCLK_AUX+ and DDI[1:2]_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.
DP AUX+function if DDI[1:2]_DDC_AUX_SEL is no connect
HDMI/DVI 12C CTRLCLK if DDI[1:2]_DDC_AUX_SEL is pulled high
DP AUX-function if DDI[1:2]_DDC_AUX_SEL is no connect
HDMI/DVI 12C CTRLDATA if DDI[1:2]_DDC_AUX_SEL is pulled high
Digital Display Interface Hot-Plug Detect
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