Table 13 Embedded Displayport Signal Descriptions; Table 14 Spi Bios Flash Interface Signal Descriptions - Congatec COM Express conga-TC87 User Manual

Table 13 Embedded DisplayPort Signal Descriptions
Signal Pin # Description
eDP_TX3+
A81
eDP_TX3-
A82
eDP_TX2+
A71
eDP_TX2-
A72
eDP_TX1+
A73
eDP_TX1-
A74
eDP_TX0+
A75
eDP_TX0-
A76
eDP_VDD_EN
A77
eDP_BKLT_EN
B79
eDP_BKLT_CTRL B83
eDP_AUX+
A83
eDP_AUX-
A84
eDP_HPD
A87
Table 14 SPI BIOS Flash Interface Signal Descriptions
Signal Pin # Description
SPI_CS#
B97
SPI_MISO
A92
SPI_MOSI
A95
SPI_CLK
A94
SPI_POWER A91
BIOS_DIS0# A34
BIOS_DIS1# B88
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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.
Chip select for Carrier Board SPI BIOS Flash.
Data in to module from carrier board SPI BIOS flash.
Data out from module to carrier board SPI BIOS flash.
Clock from module to carrier board SPI BIOS flash.
Power source for carrier board SPI BIOS flash. SPI_POWER shall be used to power
SPI BIOS flash on the carrier only.
Selection strap to determine the BIOS boot device.
Selection strap to determine the BIOS boot device.
I/O PU/PD
AC coupled off
module.
O 3.3V PD 10k
O 3.3V PD 10k
O 3.3V
AC coupled off
module.
AC coupled off
module.
I 3.3V
I/O
O 3.3VSB
I 3.3VSB
O 3.3VSB
O 3.3VSB
+ 3.3VSB
I 3.3VSB
I 3.3VSB
TU87m12
Comment
eDP_TX2 and eDP_TX3 pairs are not supported on
conga-TC87.
PU/PD Comment
Carrier shall pull to SPI_POWER when
external SPI provided but not used.
PU 10K Carrier shall be left as no-connect.
3.3VSB
PU 10K Carrier shall be left as no-connect
3.3VSB
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