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PDF ( 数据手册 , 数据表 ) WPCN385L

零件编号 WPCN385L
描述 LPC-to-LPC Switch
制造商 Winbond
LOGO Winbond LOGO 


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WPCN385L 数据手册, 描述, 功能
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Product Brief
December 2006
Revision 1.0
WPCN385L
LPC-to-LPC Switch, Fast Infrared Port, Serial Port and GPIOs
General Description
The WPCN385L, a member of the Winbond LPC SuperI/O
family, is targeted for a wide range of portable applications.
The WPCN385L is PC2001 and ACPI compliant, and fea-
tures an LPC-to-LPC Switch with hot plugability, a Fast Infra-
red port (FIR, IrDA 1.1 compliant), Serial Port and General-
Purpose Input/Output (GPIO) support for a total of 18 ports.
The WPCN385L enables glueless implementation of an
LPC-to-LPC Switch between the motherboard LPC bus and
the Docking Station, and supports hot insertion and hot re-
moval.
Outstanding Features
Pin and software compatible with the Winbond 87382
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
Fast Infrared Port (FIR)
Serial Port
LPC bus interface, based on Intel’s LPC Interface
Specification Revision 1.1, August 2002 (supports
CLKRUN and LPCPD signals)
PC2001 and ACPI Revision 3.0 compliant
18 GPIO ports, including 11 with IRQ assertion capa-
bility
Two testability modes (XOR Tree and TRI-STATE®
device pins).
5V tolerant and back-drive protected pins (except LPC
bus pins)
48-pin LQFP package
System Block Diagram
South Bridge
I/O
Ports
LPC Bus
WPCN385L
TPM
(WPCT200)
EC
(WPC876xL)
Serial
Interface
FIR
Interface
Portable
Platform
Docking
Station
Docking LPC Bus
DCLKOUT
SIO
(WPCN8738xU,
8739x)
© 2006 Winbond Electronics Corporation
www.winbond.com












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