Copyright
©
2017
congatec
GmbH
TA50m19
60/70
Table 26 ExpressCard Support Pins Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
EXCD0_CPPE#
A49
ExpressCard 0 capable card request.
I 3.3V
PU 100k 3.3V
EXCD0_PERST#
A48
ExpressCard 0 Reset
O 3.3V
EXCD1_CPPE#
B48
ExpressCard 1 capable card request
I 3.3V
PU 100k 3.3V
EXCD1_PERST#
B47
ExpressCard 1 Reset
O 3.3V
Table 27 LPC Signal Descriptions
Signal
Pin #
Description
I/O
PU/PD
Comment
LPC_AD[0:3]
B4-B7
LPC multiplexed address, command and data bus
I/O 3.3V
LPC_FRAME#
B3
LPC frame indicates the start of an LPC cycle
O 3.3V
LPC_DRQ[0:1]#
B8-B9
LPC serial DMA request
I 3.3V
Not connected
LPC_SERIRQ
A50
LPC serial interrupt
I/O 3.3V
LPC_CLK
B10
LPC clock output - 25MHz nominal
O 3.3V
Table 28 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 PU 100k
3.3VSB
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 pull to GND or leave no-connect.
BIOS_DIS1# B88
Selection strap to determine the BIOS boot device.
I 3.3VSB
PU 10k
3.3VSB
Carrier shall pull to GND or leave no-connect.
