Page 30
DDI 2
Signal
Pin
Description
I/O
PU/PD
Comment
DDI
DDI2_PAIR0-
DDI
DDI2_PAIR1-
DDI
DDI2_PAIR2-
DDI
DDI2_PAIR3-
D39
D40
D42
D43
D46
D47
D49
D50
Digital Display Interface2 differential pairs
O PCIE
DDI2_HPD
D44
I 3.3V
PD 100K
IF DDI2_DDC_AUX_SEL is floating
I/O PCIE
PD 100K
DDI2_CTRL
C32
IF DDI2_DDC_AUX_SEL pulled high
I/O OD 3.3V
HDMI2_CTRLCLK
PU 2.2K 3.3V when
DDC_AUX_SEL is high
IF DDI2_DDC_AUX_SEL is floating
I/O PCIE
PU 100K
3.3V
DP2_AUX-
DDI2_CTRLDATA_AUX- C33
IF DDI2_DDC_AUX_SEL pulled high
I/O OD 3.3V
HDMI2_CTRLDATA
PU 2.2K 3.3V when
DDC_AUX_SEL is high
DDI2_DDC_AUX_SEL
C34
Selects the function of DDI2_CTRL 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.
I 3.3V
PD 1M
DDI 3
Signal
Pin
Description
I/O
PU/PD
Comment
DDI
DDI3_PAIR0-
DDI
DDI3_PAIR1-
DDI
DDI3_PAIR2-
DDI
DDI3_PAIR3-
C39
C40
C42
C43
C46
C47
C49
C50
Digital Display Interface3 differential pairs
O PCIE
DDI3_HPD
C44
I 3.3V
PD 100K
IF DDI3_DDC_AUX_SEL is floating
I/O PCIE
PD 100K
DDI3_CTRL
C36
IF DDI3_DDC_AUX_SEL pulled high
I/O OD 3.3V
HDMI2_CTRLCLK
PU 2.2K 3.3V when
DDC_AUX_SEL is high
IF DDI3_DDC_AUX_SEL is floating
I/O PCIE
PU 100K
3.3V
DP2_AUX-
DDI3_CTRLDATA_AUX- C37
IF DDI3_DDC_AUX_SEL pulled high
I/O OD 3.3V
HDMI2_CTRLDATA
PU 2.2K 3.3V when
DDC_AUX_SEL is high
DDI3_DDC_AUX_SEL C38 Selects
the
function of DDI3_CTRL
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.
I 3.3V
PD 1M
Содержание COM Express Express-BL
Страница 13: ...Express BL Page 13 2 17 Functional Diagram AB CD FDI DMI...
Страница 14: ...Page 14 2 18 Mechanical Dimensions...