LPC47M112_07 SMSC [SMSC Corporation], LPC47M112_07 Datasheet - Page 14

• Manufacturer Part Number: LPC47M112_07
• Description: Enhanced Super I/O Controller with LPC Interface
• Manufacturer: SMSC [SMSC Corporation]

Enhanced Super I/O Controller with LPC Interface
Datasheet
4
SMSC DS – LPC47M112
BLOCK DIAGRAM
LPC Bus
Signals
SER_IRQ
PCI_CLK
INTERFACE
V
LPC BUS
TR
SERIAL
IRQ
Vcc Vss
FIGURE 1 - LPC47M112 BLOCK DIAGRAM
32KHz
CLK32
nIO_SMI
CLOCK
GEN
SMI
CLOCKI
14MHz
PME
nIO_PME
DATASHEET
nDSKCHG
nWRPRT
nWGATE
BLOCK
nINDEX
nTRK0
ACPI
ADDRESS BUS
PROPRIETARY
CONTROLLER
COMPATIBLE
FLOPPYDISK
VERTICAL
SMSC
CORE
82077
DENSEL
nHDSEL
nSTEP
nDIR
Game Port Signals*
CONFIGURATION
CONTROL BUS
REGISTERS
Game Port
(1-Dual)
DATA BUS
DRVDEN0
Page 14
DRVDEN1
nMTR0
nDS0
WCLOCK
RCLOCK
WDATA
RDATA
...
*
nWDATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
DIGITAL
DATA
FAN1*
nRDATA
FAN2*
Control
Fan
FAN_TACH1*
FAN_TACH2*
*
Denotes Multifunction Pins
COMPATIBLE
PORT 2 WITH
MULTI-MODE
COMPATIBLE
PARALLEL
GENERAL
PURPOSE
INFRARED
MPU-401
SERIAL
16C550
PORT 1
SERIAL
SERIAL
16C550
8042
PORT
PORT
MUX
I/O
MIDI_IN
MIDI_OUT
KCLK
KDATA
MCLK
MDATA
GATEA20, KRESET
BUSY, SLCT, PE,
nERROR, nACK
nSTB, nSLCTIN,
nINIT, nALF
nDSR1, nDCD1, nRI1, nDTR1
IRRX2, IRTX2
TXD2(IRTX), nCTS2, nRTS2
RXD2(IRRX)
nDSR2, nDCD2, nRI2, nDTR2
PD0-7
GP1[0:7]*
GP2[0:2,4:7]*
GP3[0:7]*, GP4[0:3]*
GP5[0:7]*, GP6[0:1]*
TXD1, nCTS1, nRTS1
RXD1
*
*
*
Rev. 02-16-07