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PC87383-VS
Legacy-Reduced SuperI/O with Fast Infrared Port, Serial Port Parallel Port and GPIOs for Portable Applications
PC87383
Legacy-Reduced
SuperI/O
with
Fast
Infrared
Port,
Serial
Port,
Parallel
Port
and
GPIOs
General DescriptionThe PC87383,a memberof the National Semiconductor
LPC SuperI/O family,is targetedfora wide rangeof porta-
ble applications. The PC87383is PC2001 and ACPI com-
pliant, and features Fast Infrared port (FIR, IrDA 1.1
compliant), Serial Port, Parallel Port and General-Purpose
Input/Output (GPIO) support for a total of 21 ports.
Outstanding Features LPC bus interface, based on Intel’s LPC Interface
Specification Revision 1.1, August 2002 (supports
CLKRUN and LPCPD signals) Fast Infrared port PC2001 and ACPI Revision 2.0 compliant Serial IRQ support (15 options) Protection features, including GPIO lock and pin con-
figuration lock 21 GPIO ports, including14 with “assert IRQ” capabil-
ity XOR Tree and TRI-ST ATE device pins (or ICT) test-
ability modes. 5V tolerant and back-drive protected pins (except LPC
bus pins) 64-pin TQFP package
System Block DiagramLPC Bus
South Bridge
TPM
Portable
PlatformSerial I/O
Ports
Embedded
Controller
ParallelPort
Interface
PC87383Interface
Infrared
Interface
December 2003
Revision 1.1
PC87383
Legacy-Reduced SuperI/O with Fast Infrared Port, Serial
Port, Parallel Port and GPIOs for Portable Applications
