Advanced I/O Controller with Motherboard GLUE Logic
Datasheet
SIGNAL NAME
nINITP
nALF
nSTROBE
MCLK
MDAT
KCLK
KDAT
GA20M
nKBDRST
nAUD_LINK_RST
PWR WELL PCI RESET
VCC POR
Out – High
Out – High
Out – High
Hi-Z
-
Hi-Z
-
Hi-Z
Hi-Z
-
VTR POR
Off
Off
Off
Off
Input
Off
Input
Off
Off
NOTES
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VTR
Out – High
Out – High
Out – High
Hi-Z
-
Hi-Z
-
Hi-Z
Hi-Z
-
Input
nCDC_DWN_ENAB/
VTR
-
-
Input
GP24
nCDC_DWN_RST
nFPRST
VTR
VTR
-
-
-
-
Out – low
Input
This pin is pulled up internally
This pin requires external pull-
nBACKFEED_CUT
LATCHED_BF_CUT
SCK_BJT_GATE
VTR
VTR
VTR
-
-
-
-
-
-
Hi-Z
up to V_5P0_STBY.
Out – low
Hi-Z
This pin requires external pull-
up to V_5P0_STBY.
nSCSI
GRN_LED
YLW_LED
nHD_LED
nSECONDARY_HD
nPRIMARY_HD
VCC
VTR
VTR
VCC
VCC
VCC
Input
-
-
Hi-Z
Input
Input
Input
-
-
Hi-Z
Input
Input
Off
This pin is pulled up internally
Out – low
Out – low
Off
Off
Off
This pin is pulled up internally
This pin is pulled up internally
Requires external pull-up to
nIDE_RSTDRV
PWRGD_PS
nPS_ON
VCC
VTR
VTR
Out – low
Out – low
Off
VCC5V
-
-
-
-
Input
Hi-Z
Requires external pull-up to
V_5P0_STBY
nCPU_PRESENT
nSLP_S3
nSLP_S5
nRSMRST
PWRGD_PLATFORM VTR
nPCIRST_OUT
nPCIRST_OUT2
GP10-GP15
GP16
FAN_TACH1
GP17
FAN_TACH2
SMB_CLK_M
SMB_CLK_R
SMB_DAT_M
SMB_DAT_R
VTR
VTR
VTR
VTR
-
-
-
-
-
-
-
-
Input
Input
Input
Out – low
Out – low
Out – low
Out – low
Input
Input
Hi-Z
Input
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
This pin is pulled up internally
-
-
VTR
VTR
VTR
Out – low
Out – low
-
-
Hi-Z
-
Hi-Z
Hi-Z
-
Hi-Z
-
Out – low
Out – low
-
-
Hi-Z
-
Hi-Z
Hi-Z
-
Hi-Z
-
The GPIO and FAN_TACH
functions are multiplexed on
the same pin with GPIO as the
default function.
VTR
VTR
VTR
VTR
VTR
VTR
VTR
DDCSDA_5V
Hi-Z
Hi-Z
Hi-Z
The DDC and GPIO functions
SMSC LPC47M182
27
Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
DATASHEET
SMSC [ SMSC CORPORATION ]
