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See Technical Specifications

SIO10N268-NU

Super I/O Controller.

Manufacturer: Microchip Technology, Inc
Mfr.Part #: SIO10N268-NU
Datasheet: SIO10N268-NU Datasheet (PDF)
Mounting Style: SMD/SMT
Product: I/O Controller
Interface Type: ISA, LPC
Number of I/Os: 33 I/O
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SIO10N268-NU General Description

The SIO10N268 is asingle chip I/O device that can be used on the ISA or LPC bus. It is a3.3V operational (5.0V tolerant), PC 99/2001, and ACPI 1.0 compliant SuperI/O Controller.

This device includesSMSC’s true CMOS 765B floppy disk controller with advanced digital dataseparator and Multi-Mode parallel port with ChiProtectTM circuitryplus EPP and ECP support.

Implements the LPC businterface when in LPC Mode. In this mode, the X-Bus Interface isenabled to interface to external I/O devices that have an 8-bit data busand to standard ISA memory devices, up to 2MB, which can serve as BIOSflash. The I/O Address, DMA Channel and Hardware IRQ of each devicein the part may be reprogrammed through the internal configurationregisters.The SIO10N268 is asingle chip I/O device that can be used on the ISA or LPC bus. It is a3.3V operational (5.0V tolerant), PC 99/2001, and ACPI 1.0 compliant SuperI/O Controller.
This device includesSMSC’s true CMOS 765B floppy disk controller with advanced digital dataseparator and Multi-Mode parallel port with ChiProtectTM circuitryplus EPP and ECP support.

Family parts
SIO10N268-NU

Key Features

3.3V Operating Voltage
128 VTQP Package
33 GPIO pins
2 Blink LED
Watchdog timer
4 16C550 Compatible UARTs
ACPI 1.0 Compliant
CMOS 765B Floppy Disk Controller
Multi-mode parallel port with ChiProtectTM, EPP and ECP Support
Supports ISA Plug-and-Play Standard (Version 1.0a)
One UART includes additional support for Serial Infrared Interface. Complies with: IrDA v1.2 (Fast IR), HPSIR, and ASKIR formats, and Consumer IR.)

Specifications

Product Category:	I/O Controller Interface IC	Mounting Style:	SMD/SMT
Product:	I/O Controller	Interface Type:	ISA, LPC
Number of I/Os:	33 I/O	Operating Supply Voltage:	3.3 V
Packaging:	Tray	Length:	14.2 mm
Type:	Notebook I/O Controller	Width:	14.2 mm
Number of Ports:	1 Parallel	Data Bus Width:	8 bit
Moisture Sensitive:	Yes	Product Type:	I/O Controller Interface IC
Factory Pack Quantity:	90	Subcategory:	Interface ICs
Watchdog Timers:	Watchdog	Tags	SIO10N268-N, SIO10N, SIO10, SIO1, SIO