Lvds; Edp - ADLINK Technology COM Express Express-BL User Manual

3.3.3.

LVDS

Signal
LVDS_A0+ / eDP_TX2+
LVDS_A0- / eDP_TX2-
LVDS_A1+ / eDP_TX1+
LVDS_A1- / eDP_TX1-
LVDS_A2+ / eDP_TX0+
LVDS_A2- / eDP_TX0-
LVDS_A3+
LVDS_A3-
LVDS_A_CK+ / eDP_TX3+
LVDS_A_CK- / eDP_TX3-
LVDS_B0+
LVDS_B0-
LVDS_B1+
LVDS_B1-
LVDS_B2+
LVDS_B2-
LVDS_B3+
LVDS_B3-
LVDS_B_CK+
LVDS_B_CK-
LVDS_VDD_EN
LVDS_BKLT_EN
LVDS_BKLT_CTRL
LVDS_I2C_CK
LVDS_I2C_DAT
3.3.4.

eDP

Note: eDP is a build option, in place of LVDS and VGA
Signal Pin #
eDP_TX2+ A71
eDP_TX2- A72
eDP_TX1+ A73
eDP_TX1- A74
eDP_TX0+ A75
eDP_TX0-- A76
eDP_TX3+ A81
eDP_TX3-- A82
eDP_VDD_EN A77
eDP_BKLT_EN B79
eDP_BKLT_CTRL B83
eDP_AUX+ A83
eDP_AUX- A84
eDP_HPD A87
Page 20
Pin # Description
A71 LVDS Channel A differential pairs
A72
A73
A74
A75
A76
A78
A79
A81 LVDS Channel A differential clock
A82
B71 LVDS Channel B differential pairs
B72
B73
B74
B75
B76
B77
B78
B81 LVDS Channel B differential clock
B82
A77 LVDS panel power enable
B79 LVDS panel backlight enable
B83 LVDS panel backlight brightness control
A83 DDC lines used for flat panel detection and
control.
A84 DDC lines used for flat panel detection and
control.
Description
eDP differential pairs
eDP differential pairs
eDP power enable
eDP backlight enable
eDP backlight brightness control
eDP AUX+
eDP AUX-
Detection of Hot Plug / Unplug and notification of
the link layer
I/O PU/PD
O LVDS
O LVDS
O LVDS
O LVDS
O 3.3V PD 10K
O 3.3V PD 10K
O 3.3V
PD 100K
I/O OD PU 2k2 3.3V
3.3V
I/O OD PU 2k2 3.3V
3.3V
I/O PU/PD
O PCIE
O PCIE
O 3.3V PD 10K
O 3.3V PD 10K
O 3.3V PD 100K
I/O PCIE
I/O PCIE
I 3.3V PD 100K
Comment
Comment
AC coupled off module
AC coupled off module
AC coupled off module
AC coupled off module
PD 100K on this pin when
eDP is supported