Copyright
©
2014
congatec
AG
TS87m13
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Signal
Pin # Description
I/O
PU/PD
Comment
eDP_VDD_EN
A77
eDP power enable.
O 3.3V
PD 10k
eDP_BKLT_EN
B79
eDP backlight enable.
O 3.3V
PD 10k
eDP_BKLT_CTRL
B83
eDP backlight brightness control.
O 3.3V
A83
eDP AUX+.
AC coupled off
module.
eDP_AUX-
A84
eDP AUX-.
AC coupled off
module.
eDP_HPD
A87
Detection of Hot Plug / Unplug and notification of the link
layer.
I 3.3V
Table 15 SPI BIOS Flash Interface Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
SPI_CS#
B97
Chip select for Carrier Board SPI BIOS Flash.
O 3.3VSB
Carrier shall pull to SPI_POWER when
external SPI provided but not used.
SPI_MISO
A92
Data in to module from carrier board SPI BIOS flash.
I 3.3VSB
SPI_MOSI
A95
Data out from module to carrier board SPI BIOS flash.
O 3.3VSB
SPI_CLK
A94
Clock from module to carrier board SPI BIOS flash.
O 3.3VSB
SPI_POWER
A91
Power source for carrier board SPI BIOS flash. SPI_POWER shall be used to power
SPI BIOS flash on the carrier only.
+ 3.3VSB
BIOS_DIS0#
A34
Selection strap to determine the BIOS boot device.
I 3.3VSB
PU 10K
3.3VSB
Carrier shall be left as no-connect.
BIOS_DIS1# B88
Selection strap to determine the BIOS boot device.
I 3.3VSB
PU 10K
3.3VSB
Carrier shall be left as no-connect
Table 16 Miscellaneous Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
I2C_CK
B33
General purpose I²C port clock output/input
I/O 3.3V PU 2K2 3.3VSB
I2C_DAT
B34
General purpose I²C port data I/O line
I/O 3.3V PU 2K2 3.3VSB
SPKR
B32
Output for audio enunciator, the “speaker” in PC-AT systems
O 3.3V
SPEAKER is a boot strap signal
(see note below)
WDT
B27
Output indicating that a watchdog time-out event has occurred.
O 3.3V
PD 10K