Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SIGNAL NAME
nRDATA
nWRTPRT
PWR WELL PCI RESET
VCC POR
Input
Input
Input
Hi-Z
VTR POR
NOTES
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VTR
Input
Input
Input
Hi-Z
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Input
nTRK0
nWGATE
nWDATA
nSTEP
nDIR
nDS0
nMTR0
nINDEX
DRVDEN0
DRVDEN1
nDCD1
nDSR1
RXD1
nRTS1
TXD1
nCTS1
nDTR1 (XOR)
nRI1
Hi-Z
Hi-Z
Out – low
Out – low
Hi-Z
Hi-Z
Input
Out – high
Out – high
Input
Input
Input
Out – high
Out – low
Input
Out – high
-
Out – low
Out – low
Hi-Z
Hi-Z
Input
Out – high
Out – high
Input
Input
Input
Out – high
Out – low
Input
Out – high
-
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
nDCD2
nDSR2
RXD2
VCC
VCC
VCC
Input
Input
Input
Input
Input
Input
Off
Off
Off
nRTS2
TXD2
VCC
VCC
Out – high
Out – low
Out – high
Out – low
Off
Off
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
nCTS2
nDTR2
nRI2
VCC
VCC
VTR
Input
Input
Off
Out – high
-
Out – high
-
Off
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
Input
This pin is internally pulled
down to VSS until Serial Port 2
is enabled.
IRRX2
VCC
Input
Input
Off
IRTX2
SLCT
PE
BUSY
nACK
PD[7:0]
ERROR
nSLCTIN
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Out – low
Input
Input
Input
Input
Input
Input
Out – High
Out – low
Input
Input
Input
Input
Input
Input
Out – High
Off
Off
Off
Off
Off
Off
Off
Off
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
26
SMSC LPC47M182
DATASHEET
SMSC [ SMSC CORPORATION ]
