SMSC SIO10N268
Page 1
Rev. 0.5 (03-24-05)
DATASHEET
SIO10N268
Advanced Notebook I/O
for ISA or LPC Designs
with X-Bus Interface for
I/O, Memory, and FWH
Emulation and Four Serial
Ports
Datasheet
Product Features
3.3 Volt Operation (5 Volt Tolerant)
PC99, PC01, ACPI 1.0 Compliant
LPC or ISA Interface
-
SIO10N268 offers two modes of operation: LPC
Mode or ISA Mode. These modes are jumper
selectable.
X-Bus Interface (LPC Mode Only)
-
Three chip selects (2 I/O and 1 Memory)
-
8-bit data transfers
-
Support for up to 2MB Flash
-
Interfaces with 3V memory devices
-
Support for up to two external I/O components
-
Offers three modes of operation for I/O devices
-
Provides FWH Emulation
Serial IRQ Compatible with Serialized IRQ
Support for PCI Systems
Programmable Wake-up Event (PME) Interface
(33) General Purpose Input/Output Pins
System Management Interrupt
2.88MB Super I/O Floppy Disk Controller
-
Licensed CMOS 765B Floppy Disk Controller
-
Software and Register Compatible with SMSC's
Proprietary 82077AA Compatible Core
-
Supports Two Floppy Drives Directly
-
Configurable Open Drain/Push-Pull Output Drivers
-
Supports Vertical Recording Format
-
16-Byte Data FIFO
-
100% IBM Compatibility
-
Detects All Overrun and Underrun Conditions
-
Sophisticated Power Control Circuitry (PCC)
Including Multiple Power Down Modes for Reduced
Power Consumption
-
DMA Enable Logic
-
Data Rate and Drive Control Registers
-
480 Address, Up to 15 IRQ and Four DMA Options
Floppy Disk Available on Parallel Port Pins (ACPI
Compliant)
-
Enhanced Digital Data Separator
-
2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps
Data Rates
-
Programmable Precompensation Modes
Serial Ports
-
Four Full Function Serial Ports
-
High Speed NS16C550 Compatible UARTs with
Send/Receive 16-Byte FIFOs
-
Supports 230k and 460k Baud
-
Programmable Baud Rate Generator
-
Modem Control Circuitry
-
480 Address and 15 IRQ Options
Infrared Communications Controller
-
IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer IR
Support
-
2 IR Ports
-
96 Base I/O Address, 15 IRQ, and 4 DMA Options
Multi-Mode Parallel Port with ChiProtect
-
Standard Mode IBM PC/XT, PC/AT, and PS/2
Compatible Bi-directional Parallel Port
-
Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
-
IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
-
ChiProtect Circuitry for Protection
-
480 Address, Up to 15 IRQ, and Four DMA Options
Two LED Drivers with blinking options
Watch Dog Timer with optional output pin
128 Pin TQFP package, VTQN package (green,
lead-free)