LPC47N237
3.3v I/O Controller for
Port Replicators and
Docking Stations
Data Brief
Product Features
3.3 Volt Operation (5V Tolerant)
32 SMBus-Hosted General Purpose Input/Output
Pins
−
SMBus Slave Controller Enables Read/Write Access
to GPIO Ports
−
SMBus Runs on and GPIO Pins are Driven by
Suspend Supply (VTR)
−
SMBus Interrupt Pin
−
SMBus Isolation Circuitry
Serial Port
−
Full Function Serial Port
−
High Speed 16C550A Compatible UART with
16-Byte Send/Receive FIFOs
−
Programmable Baud Rate Generator supports 230k
and 460k Baud
−
Modem Control Circuitry
−
480 Address and 15 IRQ Options
−
Ring Indicator Wakeup Event
PC99a/PC2001 Compliant
ACPI 1.0/2.0 Compliant
Power Management Interface
LPC Interface
−
Multiplexed Command, Address and Data Bus
−
Serial IRQ Interface Compatible with Serialized IRQ
Support for PCI Systems
−
nIO_PME pin for UART Ring Indicate
−
PCI Clock Run Support
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
−
480 Address, Up to 15 IRQ and Three DMA Options
XNOR-Chain
100 pin TQFP lead-free RoHS compliant package
4 LPC-Hosted General Purpose Input/Output
Pins
SMSC DB – LPC47N237
Revision 0.3 (03-30-07)
PRODUCT PREVIEW
SMSC [ SMSC CORPORATION ]
