SMSC LPC47N217N - Manual (Page 4)

56-Pin Super I/O with LPC Interface
Revision 0.3 (01-23-09) 4 SMSC LPC47N217N 56QFN
PRODUCT PREVIEW
Block Diagram
Figure 1 LPC47N217N Block Diagram
TXD1, nRTS1, nDTR1
SER_IRQ
PCI_CLK
Vcc GND
IO_PME#
Denotes Multifunction Pins
SERIAL
IRQ
LPC BUS
INTERFACE
V
TR
CLOCK
GEN
CLOCKI
SMI PME WDT
*
16C550
COMPATIBLE
SERIAL
PORT 1
nCTS1, RXD1,
nDSR1, nDCD1, nRI1
CONFIGURATION
REGISTERS
GENERAL
PURPOSE
I/O
GP10, GP11,
GP12*, GP13*,
GP14*,
GP23,
GP4[1:7]
MULTI-MODE
PARALLEL
PORT
PD[0:7],
BUSY, SLCT,
PE, nERROR, nACK
nSLCTIN, nALF
nINIT, nSTROBE
CONTROL, ADDRESS, DATA
LAD0
LAD1
LAD2
LAD3
LFRAME#
LDRQ#
LPCPD#
PCI_RESET#
ACPI
BLOCK
IO_SMI#*
CLKRUN#
IRQIN1*, IRQIN2*