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LPC47N237_07 Datasheet, PDF (1/5 Pages) SMSC Corporation – 3.3v I/O Controller for Port Replicators and Docking Stations | |||
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LPC47N237
3.3v I/O Controller for
Port Replicators and
Docking Stations
Product Features
 3.3 Volt Operation (5V Tolerant)
 32 SMBus-Hosted General Purpose Input/Output
Pins
â SMBus Slave Controller Enables Read/Write Access
to GPIO Ports
â SMBus Runs on and GPIO Pins are Driven by
Suspend Supply (VTR)
â SMBus Interrupt Pin
â SMBus Isolation Circuitry
 PC99a/PC2001 Compliant
 ACPI 1.0/2.0 Compliant
 Power Management Interface
 LPC Interface
â Multiplexed Command, Address and Data Bus
â Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
â nIO_PME pin for UART Ring Indicate
â PCI Clock Run Support
 4 LPC-Hosted General Purpose Input/Output
Pins
Data Brief
 Serial Port
â Full Function Serial Port
â High Speed 16C550A Compatible UART with
16-Byte Send/Receive FIFOs
â Programmable Baud Rate Generator supports 230k
and 460k Baud
â Modem Control Circuitry
â 480 Address and 15 IRQ Options
â Ring Indicator Wakeup Event
 Multi-Mode⢠Parallel Port with ChiProtectâ¢
â Standard Mode IBM PC/XT®, PC/AT®, and PS/2â¢
Compatible Bidirectional Parallel Port
â Enhanced Parallel Port (EPP) Compatible - EPP 1.7
and EPP 1.9 (IEEE 1284 Compliant)
â IEEE 1284 Compliant Enhanced Capabilities Port
(ECP)
â ChiProtect Circuitry for Protection
â 480 Address, Up to 15 IRQ and Three DMA Options
 XNOR-Chain
 100 pin TQFP lead-free RoHS compliant package
SMSC DB â LPC47N237
PRODUCT PREVIEW
Revision 0.3 (03-30-07)
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