LPC47M997-NW SMSC [SMSC Corporation], LPC47M997-NW Datasheet - Page 4

• Manufacturer Part Number: LPC47M997-NW
• Description: LPC Super I/O with Hardware Monitoring Block
• Manufacturer: SMSC [SMSC Corporation]

Block Diagram
Rev. 01-12-07
GP3[0:7]*, GP4[0:3]*
GP5[0:7]*, GP6[0:1]*
A0/RESET#/THERM#/
GP2[0:2,4:7]*
12V_IN/VID4
PCI_RESET
XNOR_OUT
GP1[0:7]*
SER_IRQ
PCI_CLK
+3.3V_IN
+2.5V_IN
+1.5V_IN
LAD[3:0]
IO_PME*
+1.8V_IN
Vccp_IN
IO_SMI*
LFrame
CLOCKI
+5V_IN
LPCPD
CLK32
LDRQ
HVCC
HVSS
VID0
VID1
VID2
VID3
SDA
SCL
Bus Interface
Power Mgmt
Monitoring
CLOCK
Hardware
Purpose
SERIAL
General
GEN
SMBus
LPC
IRQ
I/O
PRODUCT PREVIEW
Figure 1 - LPC47M997 Block Diagram
2nd Infrared Port
CONTROLLER CORE
SMC PROPRIETARY
82077 COMPATIBLE
FLOPPYDISK
VERTICAL
(Data, Address, and Control lines)
LPC47M997
Game Port
Internal Bus
(128 QFP)
Page 4
WCLOCK
RCLOCK
WDATA
RDATA
DIGITAL DATA
SEPARATOR
WITH WRITE
PENSATION
PRECOM-
Fan Control
Note 1: This diagram does not show power and ground
connections.
Note 2: Functions with "*" are located on multifunctional pins.
This diagram is designed to show the various functions
available on the chip (not pin layout).
(see LPC47B27x)
Keyboard/Mouse
ChiProtect
Parallel Port
High-Speed
High-Speed
Multi-Mode
Serial Port
controller
FDC MUX
MPU-401
16550A
PORT 1
16550A
PORT 2
LEDs
UART
UART
8042
with
TM
/
MIDI_IN*
MIDI_OUT*
KCLK, MCLK
KDATA, MDATA
GateA20*
KRESET*
P12*, P16*, P17*
PD[7,0]
Busy, Slct, PE,
ERROR, ACK
STROBE, INIT, SLCTIN,
ALF
TXD1, RXD1
CTS1, RTS1
DSR1, DTR1
DCD1, RI1
TXD2 (IRTX)*,
RXD2 (IRRX)*
CTS2*, RTS2 *
DSR2*, DTR2*
DCD2*, RI2*
SMSC LPC47M997