LPC47N227
100 Pin Super I/O with LPC Interface for
Notebook Applications
FEATURES
3.3 Volt Operation (5V Tolerant)
PC99 and ACPI 1.0b Compliant
Programmable Wakeup Event Interface
(nIO_PME Pin)
SMI Support (nIO_SMI Pin)
GPIOs (29)
Two IRQ Input Pins
XNOR Chain
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
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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
ORDERING INFORMATION
Order Numbers:
LPC47N227TQFP for 100 Pin TQFP Package
LPC47N227-MN for 100 Pin STQFP Package
SMSC [ SMSC CORPORATION ]
