LPC47N267
PRELIMINARY
100 Pin LPC Notebook I/O with X-Bus Interface
FEATURES
3.3 Volt Operation (5V tolerant)
Programmable Wakeup Event Interface
(IO_PME# Pin)
SMI Support (IO_SMI# Pin)
GPIOs (29)
Four IRQ Input Pins
X-Bus Interface
- Supports up to 4 external components
- Supports I/O cycles (No Memory Support)
- 8-Bit Data Transfer
- 16-Bit Address Qualification
- Write Protection for each component
XNOR Chain
PC99 and ACPI 1.0b Compliant
100-pin STQFP Package
Intelligent Auto Power Management
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 One Floppy Drive 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 Powerdown Modes for
Reduced Power Consumption
- DMA Enable Logic
- Data Rate and Drive Control Registers
- Swap Drives A and B
- Non-Burst Mode DMA Option
- 48 Base I/O Address, 15 IRQ and 3 DMA
Options
- Forceable Write Protect and Disk Change
Controls
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
- Two 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
Infrared Communications Controller
- IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer
IR Support
- 2 IR Ports
- 96 Base I/O Address, 15 IRQ Options and 3
DMA Options
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
- 192 Base I/O Address, 15 IRQ and 3 DMA
Options
LPC Bus Host Interface
- 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
- PCI nCLKRUN Support
- Power Management Event (IO_PME#) Interface
Pin
Mechanical Package
- 100 pin STQFP (12mm x 12mm body size)
SMSC DS – LPC47N267
Rev. 10/23/2000
SMSC [ SMSC CORPORATION ]
