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FDC37C665IR

3/5 Volt Advanced High-Performance Multi-Mode™ Parallel Port Super I/O Floppy Disk Controller with Infrared Support

SMSC -> Microchip 

- Secondary Address Option

• Multi-Mode Parallel Port with ChiProtect™

- Standard Mode:

- IBM PC/XT®, PC/AT®, and PS/2™

Compatible Bidirectional Parallel Port

- Enhanced Mode:

- Enhanced Parallel Port (EPP)

Compatible - EPP 1.7 and EPP 1.9

(IEEE 1284 Compliant)

- High Speed Mode:

- Microsoft and Hewlett Packard

Enhanced Capabilities Port (ECP)

Compatible (IEEE 1284 Compliant)

- Incorporates ChiProtect Circuitry for

Protection Against Damage Due to Printer

Power-On

- 12 mA Output Drivers

- Two Parallel Port Interrupt Pins

• Uses SMSC®'s Proven SuperCell™

Technology

• 100 Pin QFP and TQFP Package

GENERAL DESCRIPTION

The SMSC FDC37C665IR has a 3 Volt

Advanced High Performance Multi-Mode

Parallel Port Super I/O Floppy Disk Controller

ICs with Infrared Support utilize SMSC's proven

SuperCell technology for increased product

reliability and functionality. The FDC37C665IR

is optimized for motherboard applications. Both

devices support 1 Mbps data rates for vertical

recording operation.

The FDC37C665IR incorporates SMSC's true

CMOS 765B floppy disk controller, advanced

digital data separator, 16 byte data FIFO, two

16C550 compatible UARTs, one Multi-Mode

parallel port which includes ChiProtect circuitry

plus EPP and ECP support, IDE interface, on-

chip 12 mA AT bus drivers and three floppy

direct drive support. The true CMOS 765B core

provides 100% compatibility with IBM PC/XT

and PC/AT architectures in addition to providing

data overflow and underflow protection. The

SMSC advanced digital data separator

incorporates SMSC's patented data separator

technology, allowing for ease of testing and use.

Both on-chip UARTs are compatible with the

NS16C550. One UART includes additional

support for a Serial Infrared Interface, complying

with IrDA, HPSIR, and ASKIR formats (used by

Sharp, Apple Newton, and other PDAs). The

parallel port, the IDE interface, and the game

port select logic are compatible with IBM PC/XT

and PC/AT architectures, as well as EPP and

ECP.

The FDC37C665IR incorporates

sophisticated power control circuitry (PCC). The

PCC supports multiple low power down modes.

The FDC37C665IR Floppy Disk Controller

incorporates Software Configurable Logic (SCL)

for ease of use. Use of the SCL feature allows

programmable system configuration of key

functions such as the FDC, parallel port, and

UARTs. The parallel port ChiProtect prevents

damage caused by the printer being powered

when the FDC37C665IR is not powered.

The FDC37C665IR does not require any

external filter components and are, therefore,

easy to use and offer lower system cost and

reduced board area. The FDC37C665IR is

software and register compatible with SMSC's

proprietary 82077AA core.

IBM, PC/XT and PC/AT are registered trademarks and PS/2 is

a trademark of International Business Machines Corporation.

SMSC is a registered trademark and ChiProtect, SuperCell,

and Multi-Mode are trademarks of Standard Microsystems

Corporation

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