LPC47N237-MD SMSC [SMSC Corporation], LPC47N237-MD Datasheet - Page 23
LPC47N237-MD
Manufacturer Part Number
LPC47N237-MD
Description
3.3V I/O CONTROLLER FOR PORT REPLICATORS AND DOCKING STATIONS
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47N237-MD.pdf
(138 pages)
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3.3v I/O Controller for Port Replicators and Docking Stations
6.7
6.8
SMSC DS – LPC47N237
(inactive), V
and writes will not be decoded.
The LPC47N237 device VTR pins that are listed in the “Trickle Power Functionality” section will remain
active when the internal PWRGOOD signal has gone inactive, provided V
Maximum Current Values
See the “Operational Description” section for the maximum current values.
The maximum VTR current, I
from/to 0V to/from 3.3V. The total maximum current for the part is the unloaded value PLUS the maximum
current sourced by the pin that is driven by VTR. The pins that are powered by VTR are listed in the
“Trickle Power Functionality” section.
The maximum VCC current, I
from/to 0V to/from 3.3V.
Power Management Events (PME/SCI)
The LPC47N237 offers support for Power Management Events (PMEs), also referred to as System Control
Interrupt (SCI) events. The terms PME and SCI are used synonymously throughout this document to refer
to the indication of an event to the chipset via the assertion of the nIO_PME output signal. See the “PME
Support” section.
CC
<= 2.3V (nominal), and the LPC47N237 host interface is inactive; that is, LPC bus reads
TR
CC
, is given with all outputs open (not loaded), and all inputs transitioning
, is given with all outputs open (not loaded) and all inputs transitioning
DATASHEET
Page 23
TR
is powered.
Revision 0.3 (10-26-04)
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