cExpress-KL
Pinouts and Signal Descriptions
25
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
DDI2_HPD D44
PD
100K
IF DDI2_DDC_AUX_SEL is floating
I/O PCIe PD
100K
, AC
coupled on Module
DDI2_CTRL
C32
IF DDI2_DDC_AUX_SEL pulled high
I/O OD
3.3V
HDMI2_CTRLCLK
PU 2.2k 3.3V
IF DDI2_DDC_AUX_SEL is floating
I/O PCIe PU
100K
3.3V
DP2_AUX-, AC
coupled on Module
DDI2_CTRLDATA_AUX- C33
IF DDI2_DDC_AUX_SEL pulled high
I/O OD
3.3V
HDMI2_CTRLDATA
PU 2.2k 3.3V
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.
PD
1M
DDI 3
(no DDI3 support)
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
Not supported
DDI3_HPD C44
PD
100K
Not supported
IF DDI3_DDC_AUX_SEL is floating
I/O PCIe
Not supported
DDI3_CTRL
C36
IF DDI3_DDC_AUX_SEL pulled high
I/O OD
3.3V
Not
supported
IF DDI3_DDC_AUX_SEL is floating
I/O PCIe
Not supported
DDI3_CTRLDATA_AUX- C37
IF DDI3_DDC_AUX_SEL pulled high
I/O OD
3.3V
Not
supported
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.
PD 1M Not supported
Содержание cExpress-KL
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