ADLINK cExpress-BT - Manual (Page 27)

cExpress-BT Page 27
3.4.3. DDI Channels
DDI 1
Signal Pin Description I/O PU/PD Comment
DDI1_PAIR0+
DDI1_PAIR0-
DDI1_PAIR1+
DDI1_PAIR1-
DDI1_PAIR2+
DDI1_PAIR2-
DDI1_PAIR3+
DDI1_PAIR3-
DDI1_PAIR4+
DDI1_PAIR4-
DDI1_PAIR5+
DDI1_PAIR5-
DDI1_PAIR6+
DDI1_PAIR6- D26
D27
D29
D30
D32
D33
D36
D37
C25
C26
C29
C30
C15
C16 Digital Display Interface1 differential pairs O PCIE DDI1 alternatively routed to eDP
to LVDS in which case this port is
not available
Pair 4 to Pair 6
Not supported
DDI1_HPD C24 Digital Display Interface Hot-Plug Detect I PCIE PD 100K
IF DDI1_DDC_AUX_SEL is floating I/O PCIe DP1_AUX+ DDI1_CTRLCLK_AUX+ D15
IF DDI1_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI1_CTRLCLK
IF DDI1_DDC_AUX_SEL is floating I/O PCIe DP1_AUX+ DDI1_CTRLCLK_AUX- D16
IF DDI1_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI1_CTRLDATA
DDI1_DDC_AUX_SEL D34 Selects the function of
DDI1_CTRLCLK_AUX+ and
DDI1_CTRLDATA_AUX-. This pin shall
have a 1M pull-down to logic ground on
the Module. 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. I/O OD 3.3V PD 1M