LPC47M182-NR SMSC [SMSC Corporation], LPC47M182-NR Datasheet - Page 25
LPC47M182-NR
Manufacturer Part Number
LPC47M182-NR
Description
ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LPC47M182-NR.pdf
(223 pages)
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Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
3.4
The following table shows the default state of pins.
Notes:
Off
The pin is not powered by suspend supply and is valid under main power only.
Hi-Z
The pin is powered, but tri-stated either because the pin is open-drain or VCC function is selected on VTR powered
pin. The pin requires external pull-up when tri-stated.
Active
The pin is powered and active high.
Running
The input clock is powered and running.
Input
The pin is powered and driven by external circuitry to high or low level.
Out
The pin is powered and driven to high or low level by the part.
The input or output configuration state of the pin is retained and is not affected by PCI Reset or VCC POR.
SMSC LPC47M182
REF5V_STBY
REF5V
CLOCKI
CLOCKI32
nIO_PME
PCI_CLK
nLPCPD
nPCI_RESET
SER_IRQ
nLDRQ
nLFRAME
LAD[0:3]
nDSKCHG
nHDSEL
SIGNAL NAME
Default State of Pins
SMB_DAT_M
SMB_DAT_R
GRN_LED
GPIOs
SIGNAL NAME
VTR
VCC
VCC
VTR
VTR
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
PWR WELL
-
Active
Running
Running
-
Input
Input
Input
Input
Input
Input
Input
Input
Out – low
PCI RESET
Table 3.4 – Default State of Pins
DATASHEET
2.7 kohm
2.7 kohm
220 ohm
design-dependant
RESISTOR VALUE
-
Active
Running
Running
-
Input
Input
Input
Input
Input
Input
Input
Input
Out – low
VCC POR
25
Active
Off
Off
Running
Hi-Z
Off
Off
Off
Off
Off
Off
Off
Off
Off
Pull-up to VCC
Pull-up to VTR
Pull-up to VTR
Pull-up to appropriate voltage
(not to exceed 5V)
VTR POR
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
NOTES
This pin requires external pull-
up to V_5P0_STBY
This pin requires external pull-
up to VCC5V
NOTES
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