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DDI 2

Signal Pin Description I/O PU/PD Comment

DDI2_PAIR0+

DDI2_PAIR0-

DDI2_PAIR1+

DDI2_PAIR1-

DDI2_PAIR2+

DDI2_PAIR2-

DDI2_PAIR3+

DDI2_PAIR3-

D39

D40

D42

D43

D46

D47

D49

D50

Digital Display Interface2 differential pairs

DDI2_HPD D44

IF DDI2_DDC_AUX_SEL is floating I/O PCIe DP2_AUX+ DDI2_CTRLCLK_AUX+

C32

IF DDI2_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI2_CTRLCLK

IF DDI2_DDC_AUX_SEL is floating I/O PCIe DP2_AUX+ DDI2_CTRLCLK_AUX- C33

IF DDI2_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI2_CTRLDATA

DDI2_DDC_AUX_SEL C34 Selects the function of DDI2_CTRLCLK_AUX+ and

DDI2_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.

PD 1M

DDI 3

Signal Pin Description I/O PU/PD Comment

DDI3_PAIR0+

DDI3_PAIR0-

DDI3_PAIR1+

DDI3_PAIR1-

DDI3_PAIR2+

DDI3_PAIR2-

DDI3_PAIR3+

DDI3_PAIR3-

C39

C40

C42

C43

C46

C47

C49

C50

Digital Display Interface3 differential pairs

DDI3_HPD C44

IF DDI3_DDC_AUX_SEL is floating I/O PCIe DP3_AUX+ DDI3_CTRLCLK_AUX+

C36

IF DDI3_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI3_CTRLCLK

IF DDI3_DDC_AUX_SEL is floating I/O PCIe DP3_AUX+ DDI3_CTRLCLK_AUX- C37

IF DDI3_DDC_AUX_SEL pulled high I/O OD 3.3V HDMI3_CTRLDATA

DDI3_DDC_AUX_SEL C38 Selects the function of DDI3_CTRLCLK_AUX+

and DDI3_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.

PD 1M

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Adlink Express-IB Manual de usuario Pagina 27

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