lpc47s457-ns Standard Microsystems Corp., lpc47s457-ns Datasheet

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lpc47s457-ns

Manufacturer Part Number

lpc47s457-ns

Description

Advanced I/o With X-bus Interface

Manufacturer

Standard Microsystems Corp.

Datasheet

1.LPC47S457-NS.pdf (259 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

BOSTOCK HK LIMITED

Part Number:

LPC47S457-NS

Manufacturer:

Microchip Technology

Quantity:

10 000

Current page: 1 of 259
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SMSC LPC47S45x

3.3 Volt Operation (5V tolerant)

Floppy Disk Controller (Supports 2 FDCs)

Multi-Mode Parallel Port

Two UARTs

8042 Keyboard Controller

SMBus Controller

- SMBus access to LCD Interface

- SMBus Serial Port 2 Interface Disable

- SMBus access to Power On Elapsed Time

- Programmable Slave Address

X-Bus Interface

- Supports up to four external I/O components

- Offers two modes of operation

- Support for Driving LCD Panel Interface

- Supports Port 80h Monitoring

Programmable Wakeup Event Interface (IO_PME#

Pin)

SMI Support (IO_SMI# Pin)

GPIOs (55)

Fan Controller

- One Fan Speed Control Output

- One Fan Tachometer Input

ISA IRQ to Serial IRQ Conversion

XNOR Chain for Board Test Mode

PC2001 and ACPI 2.0 Compliant

128-pin QFP Package

ISA Plug-and-Play Compatible Register Set

Intelligent Auto Power Management

Power On Elapsed Time Counters

- Counter for Main Power

- Counter for Standby Power

Real Time Clock

- MC146818 and DS1287 Compatible

- 256 Bytes of Battery Backed CMOS in Two 128-

- 128 Bytes of CMOS RAM Lockable in 4x32 Byte

- 12 and 24 Hour Time Format

- 24-hour daily alarm

- 30-day alarm

- Binary and BCD Format

- <1μA Standby Current (typ)

Counters

Controller

Byte Banks

Blocks

Advanced I/O with X-Bus Interface

DATASHEET

FEATURES

2.88MB Super I/O Floppy Disk Controller

- Licensed CMOS 765B Floppy Disk Controller

- Software and Register Compatible with SMSC's

- Configurable Open Drain/Push-Pull Output

- Supports Vertical Recording Format

- 16-Byte Data FIFO

- 100% IBM Compatibility

- Detects All Overrun and Underrun Conditions

- Sophisticated Power Control Circuitry (PCC)

- DMA Enable Logic

- Data Rate and Drive Control Registers

- 480 Address, up to 15 IRQ and Four DMA

Enhanced Digital Data Separator

- 2 Mbps, 1 Mbps, 500 Kbps, 300 Kbps, 250 Kbps

- Programmable Precompensation Modes

Keyboard Controller

- 8042 Software Compatible

- 8-Bit Microcomputer

- 2k Bytes of Program ROM

- 256 Bytes of Data RAM

- Four Open Drain Outputs Dedicated for

- Asynchronous Access to Two Data Registers and

- Supports Interrupt and Polling Access

- 8-Bit Counter Timer

- Port 92 Support

- Fast Gate A20 and KRESET Outputs

Serial Ports

- Two Full Function Serial Ports

- High Speed NS16C550A Compatible UARTs with

- Supports 230k and 460k Baud

- Programmable Baud Rate Generator

- Modem Control Circuitry

- 480 Address and 15 IRQ Options

- IrDA 1.0, HP-SIR, ASK IR Support

Proprietary 82077AA Compatible Core

Drivers

Including Multiple Powerdown Modes for

Reduced Power Consumption

Options

Data Rates

Keyboard/Mouse Interface

One Status Register

Send/Receive 16-Byte FIFOs

LPC47S45x

Rev. 08-10-09

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