LPC47N237-MD SMSC [SMSC Corporation], LPC47N237-MD Datasheet - Page 20

• Manufacturer Part Number: LPC47N237-MD
• Description: 3.3V I/O CONTROLLER FOR PORT REPLICATORS AND DOCKING STATIONS
• Manufacturer: SMSC [SMSC Corporation]

Chapter 5
Revision 0.3 (10-26-04)
nPCI_RESET
nLFRAME
nCLKRUN
SER_IRQ
nIO_PME
nSMBINT
PCI_CLK
LAD[3:0]
nLPCPD
SMB_A0
nLDRQ
SDAT
SCLK
LPC BUS
Block Diagram
SMBus Isolation
SMBUS
Circuitry
VTR
16C550A
UART
Figure 5.1 – LPC47N237 Block Diagram
DATASHEET
VTR
CONFIGURATION
REGISTERS
Page 20
GPIO
VTR
24MHz Clock
IBM XT/AT-COMPATIBLE
3.3v I/O Controller for Port Replicators and Docking Stations
PARALLEL PORT
VCC
VTR
LPC GPIO
VTR
Clock
SMSC DS – LPC47N237
LGP44-LGP47
24MHz_OUT
XTAL1
XTAL2