DIGITAL-LOGIC SM800/900DK, Technical User'S Manual

Page: 71 / 103

DIGITAL-LOGIC AG
SM800/900DK Technical Manual V1.2B
71
SuperIO-Signal:
Nr. Checkpoint Part and
Pin-Nr Signal level,
when powered
DCMAIN, but
MAIN_SW not
activated. Signal level,
2 sec after
MAIN_SW
activated,
in S0 Signal level,
in S3, after
activating
PWRBTN#
40 COM1 and COM2 input
lines (RxD, CTS, DSR,
DCD, RI) must be pulled
up, if no MAX232
interface chip is
connected. 0 5V 5V
41 The COM1/2 outputs are
also used as reset strap
options. Never supply
these pins from outside
into the module.
A second SuperIO may be connected to the LPC-Bus.
General Checks:
Nr. Checkpoint Part and
Pin-Nr Signal level,
when powered
DCMAIN, but
MAIN_SW not
activated. Signal level,
2 sec after
MAIN_SW
activated,
in S0 Signal level,
in S3, after
activating
PWRBTN#
60 USB data lines
must be protected with
a voltage limiter Each of
then USB
ports
61
62
63