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2012
congatec
AG
TCEDm10
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Table 7
ExpressCard Support Pins Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
EXCD0_CPPE#
A49
ExpressCard 0 capable card request.
I 3.3V
PU 10k 3.3V
EXCD0_PERST#
A48
ExpressCard 0 Reset
O 3.3V
PD 2.2k
EXCDO_PERST# is a bootstrap signal
EXCD1_CPPE#
B48
ExpressCard 1 capable card request
I 3.3V
PU 10k 3.3V
EXCD1_PERST#
B47
ExpressCard 1 Reset
O 3.3V
Table 8
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
LPC_SERIRQ
A50
LPC serial interrupt
I/O OD 3.3V
PU 4.99k 3.3V
LPC_CLK
B10
LPC clock output - 33MHz nominal
O 3.3V
PD 10k
LPC_CLK is a bootstrap signal
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 7.5 of this user’s guide.