Table 26 Expresscard Support Pins Signal Descriptions; Table 27 Lpc Signal Descriptions; Table 28 Spi Bios Flash Interface Signal Descriptions - Congatec COM Express conga-TS175 User Manual

Signal Pin # Description
AC/HDA_SDIN[1:0] B29-B30 Intel
®
data inputs from the three codecs. The serial input is single-pumped for a bit
rate of 24 Mb/s for Intel
Note
Some signals have special functionality during the reset process. They may bootstrap some basic important functions of the module. For more
information refer to section 9.2 "Boot Strap Signals".

Table 26 ExpressCard Support Pins Signal Descriptions

Signal Pin # Description
EXCD0_CPPE# A49 ExpressCard capable card request.
EXCD1_CPPE# B48
EXCD0_PERST# A48 ExpressCard Reset
EXCD1_PERST# B47

Table 27 LPC Signal Descriptions

Signal Pin # Description
LPC_AD[0:3] B4-B7 LPC multiplexed address, command and data bus
LPC_FRAME# B3 LPC frame indicates the start of an LPC cycle
LPC_DRQ[0:1]# B8-B9 LPC serial DMA request
LPC_SERIRQ A50 LPC serial interrupt
LPC_CLK B10 LPC clock output - 24 MHz nominal

Table 28 SPI BIOS Flash Interface Signal Descriptions

Signal Pin # Description
SPI_CS# B97 Chip select for Carrier Board SPI BIOS Flash.
SPI_MISO A92 Data in to module from carrier board SPI BIOS flash.
SPI_MOSI A95 Data out from module to carrier board SPI BIOS flash.
SPI_CLK A94 Clock from module to carrier board SPI BIOS flash.
Copyright © 2017 congatec AG
High Definition Audio Serial Data In [0]: These signals are serial TDM
® High Definition Audio.
I/O
I 3.3V
O 3.3V
I/O
I 3.3VSB
PU/PD Comment
PU 10k 3.3VSB
PU 10k 3.3V
I/O PU/PD Comment
I/O 3.3V
O 3.3V
I 3.3V PU 10k 3.3V
I/O OD 3.3V PU 10k 3.3V
O 3.3V
I/O PU/PD
O 3.3VSB
I 3.3VSB
O 3.3VSB
O 3.3VSB
TSKLm16
PU/PD Comment
Pin B28 (HDA_SDIN2) is not connected.
Comment
Carrier shall pull to SPI_POWER when
external SPI is provided but not used.
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