User`s guide

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.