Compaq SmartCore Express SMA200 - Manual (Page 30)

DIGITAL-LOGIC AG SMA200 Manual V1.0
30
5.4.6. LPC BUS
Signal BUS Type Description
On Module
Termination Ext. Ter-
mination
Needed Max.
Length
in mm
Ohm
Matched
Length
in mm
LPC_FRAME# CMOS 3.3V
Out
Connect to the LPC device - - 100 55 -
LPC_AD[3..0] CMOS 3.3V
I/O
Connect to the LPC device - - 100 55 -
LPC_SERIRQ CMOS 3.3V
I/O
Connect to the LPC device PU 10k to
3.3V
- 100 55 -
LPC_CLKOUT[0..1] CMOS 3.3V
Out
Connect to the Firmware
hub or the SuperIO Series 33
Ohm - 100 55 -
If the signals are not used:
Leave the pins open.
Remarks:
Use 33 Ohm series termination in each LPC-CLKx-signal.
The LPC_CLKOUTx may drive only 2 loads.
EMV/EMI filters:
Are not needed.