LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 20

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
73
74
75
77
79
80
81
82
83
84
85
86
87
88
89
90
92
100
101
102
113
114
115
116
94
95
103-
105
PIN#
nPCIRST_OUT
nPCIRST_OUT
2
nFPRST
nBACKFEED_
CUT
LATCHED_BF_
CUT
SCK_BJT_
GATE
nPS_ON
PWRGD_PS
nCPU_PRESENT
PWRGD_PLAT
FORM
nSLP_S3
nSLP_S5
SMB_CLK_M
SMB_CLK_R
SMB_DAT_M
SMB_DAT_R
nRSMRST
nAUD_LINK_
RST
nCDC_DWN_
ENAB/GP24
nCDC_DWN_
RST
DDCSCL_3V/
GP23
DDCSCL_5V/
GP21
DDCSDA_3V/
GP22
DDCSDA_5V/
GP20
GRN_LED
YLW_LED
GP10-GP12
(NOTE 1)
NAME
Buffered PCI Reset Output
Second Buffered PCI Reset Output
Reset Input from Front Panel
Open-Drain Output used for STR Circuitry
Latched Backfeed Cut Output for STR
Circuitry
Open-Drain Gate Output for the SCK_BJT
in Suspend-to-RAM
Power Supply Turn-ON Open Drain
Output
Power Good Input from Power Supply
CPU Present Input from Processor
Power Good Output
S3 Power State Input from South Bridge
Input from South Bridge for Transitioning
to the S5 Power State
SMBus Clock Main
SMBus Clock Resume
SMBus Data Main
SMBus Data Resume
Resume Reset Output
AC97 Link Reset Input
AC97 Codec Down Enable Input.
General Purpose I/O. GPIO can be
configured as an open-drain output.
AC97 Codec Down Reset Output.
3.3V DDC Clock
General Purpose I/O. GPIO can be
configured as an open-drain output.
5V DDC Clock
General Purpose I/O. GPIO can be
configured as an open-drain output.
3.3V DDC Data
General Purpose I/O. GPIO can be
configured as an open-drain output.
5V DDC Data
General Purpose I/O. GPIO can be
configured as an open-drain output.
Green Power LED Open-Drain Output
Yellow Power LED Open-Drain Output
General Purpose I/O. GPIO can be
configured as an open-drain output.
GENERAL PURPOSE I/O (8)
DESCRIPTION
DATASHEET
POWER LEDS (2)
20
OP14
OP14
ISPU_400
OD8
OP14
OD8
OD8
ISPU_400
ISPU_400
O8
IS_400
IS_400
IO_SW
IO_SW
IO_SW
IO_SW
O8
I
IO12
O12
IO_SW/ISOD8
IO_SW/ISOD8
IO_SW/ISOD8
IO_SW/ISOD8
OD24
OD24
ISO8
Advanced I/O Controller with Motherboard GLUE Logic
(NOTE 2)
BUFFER
NAME
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
VTR
(NOTE 3)
VTR
VTR
VTR
WELL
PWR
SMSC LPC47M182
3
3
3
6
3, 6, 8
3, 6, 8
3, 6, 8
3, 6, 8
6
NOTES
Datasheet