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PC87382 Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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PC87382 Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 72 page  www.national.com ©2003 National Semiconductor Corporation December 2003 Revision 1.2 PC87382 LPC-to-LPC Switch for Docking Stations, with Fast Infrared Port, Serial Port and GPIOs General Description The PC87382, a member of the National Semiconductor LPC SuperI/O family, is targeted for a wide range of portable ap- plications. The PC87382 is PC2001 and ACPI compliant, and features an LPC-to-LPC Switch with hot plugability, Fast In- frared port (FIR, IrDA 1.1 compliant), Serial Port, and Gener- al-Purpose Input/Output (GPIO) support for a total of eight ports. The PC87382 enables glueless implementation of an LPC- to-LPC Switch between the motherboard LPC bus and the Docking Station, and supports hot insertion and hot removal. Outstanding Features q LPC-to-LPC Switch with hot plugability, enables LPC devices in the Docking Station to be connected to the Main LPC Bus, thus reducing the number of signals re- quired through the Docking Station connector q LPC bus interface, based on Intel’s LPC Interface Specification Revision 1.1, August 2002 (supports CLKRUN signal) q Fast Infrared port q PC2001 and ACPI Revision 2.0 compliant q Serial IRQ support (15 options) q Protection features, including GPIO lock and pin con- figuration lock q Eight GPIO ports, including with “assert IRQ” capability q XOR Tree and TRI-STATE device pins (or ICT) test- ability modes. q 5V tolerant and back-drive protected pins (except LPC bus pins) q 48-pin LQFP package System Block Diagram National Semiconductor and TRI-STATE are registered trademarks of National Semiconductor Corporation. All other brand or product names are trademarks or registered trademarks of their respective holders. LPC Bus South Bridge TPM Docking SIO Portable Platform Docking Station Docking LPC Bus PC87382 I/O Ports Embedded Controller DCLKOUT Serial Interface Infrared Interface |
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