LPC47M172_07 SMSC [SMSC Corporation], LPC47M172_07 Datasheet - Page 25

• Manufacturer Part Number: LPC47M172_07
• Description: Advanced I/O Controller with Motherboard GLUE Logic
• Manufacturer: SMSC [SMSC Corporation]

SMSC/Non-SMSC Register Sets (Rev. 01-11-07)
REF5V_STBY
REF5V
CLOCKI
CLOCKI32
nIO_PME
PCI_CLK
nLPCPD
nPCI_RESET
SER_IRQ
nLDRQ
nLFRAME
LAD[0:3]
nDSKCHG
nHDSEL
nRDATA
nWRTPRT
nTRK0
nWGATE
nWDATA
nSTEP
nDIR
nDS0
nMTR0
nINDEX
DRVDEN0
DRVDEN1
nDCD1
nDSR1
RXD1
nRTS1
TXD1
nCTS1
nDTR1 (XOR)
nRI1
nDCD2
nDSR2
RXD2
nRTS2
TXD2
SIGNAL NAME
VTR
VCC
VCC
VTR
VTR
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VTR
VCC
VCC
VCC
VCC
VCC
PWR WELL
-
Active
Running
Running
-
Input
Input
Input
Input
Input
Input
Input
Input
Out – low
Input
Input
Input
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
-
Input
Input
Input
Out – high
Out – low
PCI RESET
Table 3.4 - Default State of Pins
DATASHEET
-
Active
Running
Running
-
Input
Input
Input
Input
Input
Input
Input
Input
Out – low
Input
Input
Input
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
-
Input
Input
Input
Out – high
Out – low
Page 25
VCC POR
Active
Off
Off
Running
Hi-Z
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Input
Off
Off
Off
Off
Off
VTR POR
Advanced I/O Controller with Motherboard GLUE Logic
This pin requires external pull-
up to V_5P0_STBY
This pin requires external pull-
up to VCC5V
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.
NOTES
SMSC LPC47M172
Datasheet