SIO10N268-NU Standard Microsystems (SMSC), SIO10N268-NU Datasheet - Page 4

• Manufacturer Part Number: SIO10N268-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of SIO10N268-NU

• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Block Diagram
Revision 0.5 (06-12-08)
RESET_DRV
PCI_RESET#
XA[19:20]*
IOCHRDY
LFRAME#
CLKRUN#
SER_IRQ
XA[0:18]
PCI_CLK
nDACK0
nDACK1
nDACK2
nDACK3
SA[0:15]
LPCPD#
nXCS2*
XD[0:7]
SD[0:7]
nXCS0
nXCS1
nIOWR
LDRQ#
nIORD
nXWR
DRQ0
DRQ1
DRQ2
DRQ3
nXRD
LAD0
LAD1
LAD2
LAD3
AEN
V
TC
TR
Vcc Vss
INTERFACE
INTERFACE
LPC BUS
Interface
X-BUS
Serial
ISA
IRQ
CLKI32
CLOCK
GEN
CLOCKI
Advanced Notebook I/O for ISA or LPC Designs with X-Bus Interface for I/O, Memory, and
LPC_ISA
LPC_IS
A Mode
Select
Figure 1 SIO10N268 Block Diagram
nMTR0, nDS0,
nDIR, nSTEP,
DRVDEN0,
nWGATE,
HDSEL,
DRVDEN1*
PROPRIETARY
CONTROLLER
COMPATIBLE
FLOPPY DISK
PRODUCT PREVIEW
VERTICAL
SMSC
CORE
82077
nTRK0,
nDSKCHG,
nINDEX,
nWRTPRT
CONFIGURATION
CONTROL, ADDRESS, DATA
REGISTERS
WCLOCK
RCLOCK
RDATA
WDATA
SIO10N268
nIO_SMI*
4
SMI
nWDATA
COMPENSATION
SEPERATOR
PME
DIGITAL
nIO_PME
DATA
PRE-
BLOCK
nRDATA
ACPI
COMPATIBLE
COMPATIBLE
PORT 2 WITH
COMPATIBLE
COMPATIBLE
INTERFACE
INFRARED
PARALLEL
PORT/FDC
Watch Dog
GENERAL
PURPOSE
LED Driver
16C550
SERIAL
PORT 1
16C550
SERIAL
16C550
SERIAL
PORT 3
16C550
SERIAL
PORT 4
MULTI-
MODE
Timer
FWH Emulation and Four Serial Ports
MUX
I/O
*
Denotes Multifunction Pins
GP[11:13]*, GP[16:17]*,
GP[20:23]*,
GP[30:37]*,
GP[40:47]*,
GP[50:57]*
IRQIN1*, IRQIN2*,
IRQIN3*
FDC_PP*
LED1*, LED2*
WDT*
nCTS1, RXD1,
nDSR1, nDCD1, nRI1
nSLCTIN, nALF
nINIT, nSTROBE
TXD1, nRTS1, nDTR1
PD[0:7],
BUSY, SLCT,
PE, nERROR, nACK
nCTS3*, RXD3*,
nDSR3*, nDCD3*, nRI3*
nCTS4*, RXD*,
nDSR4*, nDCD*, nRI4*
IRTX2*, IRMODE*,
TXD2*, nRTS2*, nDTR2*
TXD3*, nRTS3,* nDTR3*
TXD4*, nRTS4*, nDTR4*
IRRX2*, IRRX3*,
RXD2*, nCTS2*,
nDSR2*, nDCD2*, nRI2*
SMSC SIO10N268