LPC47U322 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC47U322

128 Pin Enhanced Super I/O Controller for LPC Bus with Consumer Features and SMBus Controller

SMSC -> Microchip 

- High Speed NS16C550 Compatible

UART with Send/Receive 16-Byte

FIFOs

- Supports 230k and 460k Baud

- Programmable Baud Rate Generator

- Modem Control Circuitry

- 480 Address and 15 IRQ Options

- Second UART for MPU-401 MIDI

Interface

• Multi-Mode Parallel Port with ChiProtect™

- Standard Mode IBM PC/XT®, PC/AT®,

and PS/2™ Compatible Bidirectional

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

Against Damage Due to Printer Power-

On

- 480 Address, up to 15 IRQ and 3 DMA

Options

• Pin Reduced ISA Host Interface (LPC Bus)

- Multiplexed Command, Address and

Data Bus

- 8-Bit I/O Transfers

- 8-Bit DMA Transfers

- 16-Bit Address Qualification

- Serial IRQ Interface Compatible with

Serialized IRQ Support for PCI

Systems

- Power Management Event (nIO_PME)

Interface Pin

• 128 Pin QFP Package

GENERAL DESCRIPTION

The LPC47U32x* is a 3.3V PC99 compliant port is compatible with IBM PC/AT architecture,

Enhanced Super I/O controller. The LPC47U32x as well as IEEE 1284 EPP and ECP. The

implements the LPC interface, a pin reduced LPC47U32x incorporates sophisticated power

ISA interface which provides the same or better control circuitry (PCC). The PCC supports

performance as the ISA/X-bus with a substantial multiple low power modes. The LPC47U32x

savings in pins used. The part provides 37 also incorporates SMBus Controller.

GPIO pins, a dual game port interface, MPU-

401 MIDI support and ISA IRQ to serial IRQ The LPC47U32x supports the ISA Plug-and-

conversion. The part also provides a fan speed Play Standard (Version 1.0a) and provides the

control output and a fan tachometer input.

recommended functionality to support Windows

'95 and PC99. The I/O Address, DMA Channel

The LPC47U32x incorporates a keyboard and Hardware IRQ of each logical device in the

interface, SMSC's true CMOS 765B floppy disk LPC47U32x may be reprogrammed through the

controller, advanced digital data separator, one internal configuration registers. There are 480

16C550A compatible UART, one MPU-401 MIDI I/O address location options, a Serialized IRQ

UART, one Multi-Mode parallel port which interface, and three DMA channels. The

includes ChiProtect circuitry plus EPP and ECP, LPC47U32x does not require any external filter

and Intelligent Power Management including components and is therefore easy to use and

ACPI, SMI and PME support. The true CMOS offers lower system costs and reduced board

765B core provides 100% compatibility with IBM area. The LPC47U32x is software and register

PC/XT and PC/AT architectures in addition to compatible with SMSC's proprietary 82077AA

providing data overflow and underflow core.

protection. The SMSC advanced digital data

separator incorporates SMSC's patented data

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

separator technology, allowing for ease of

trademark of International Business Machines Corporation

testing and use. The on-chip UART is

SMSC is a registered trademark and Ultra I/O, ChiProtect, and Multi-

compatible with the NS16C550A. The parallel

Mode are trademarks of Standard Microsystems Corporation

*The “x” in the part number is a designator that changes depending upon the particular BIOS used

inside the specific chip. “2” denotes AMI Keyboard BIOS and “7” denotes Phoenix 42i Keyboard

BIOS.

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