wpcn385l Winbond Electronics Corp America, wpcn385l Datasheet
wpcn385l
Manufacturer Part Number
wpcn385l
Description
Lpc-to-lpc Switch, Fast Infrared Port, Serial Port And Gpios
Manufacturer
Winbond Electronics Corp America
Datasheet
1.WPCN385L.pdf
(3 pages)
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Part Number:
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© 2006 Winbond Electronics Corporation
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.
System Block Diagram
LPC Bus
(WPCT200)
TPM
South Bridge
(WPC876xL)
EC
Interface
Serial
Ports
WPCN385L
I/O
Interface
FIR
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
Portable
Platform
DCLKOUT
Docking
Station
Docking LPC Bus
(WPCN8738xU,
Product Brief
8739x)
December 2006
SIO
Revision 1.0
www.winbond.com
®
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wpcn385l Summary of contents
Page 1
... 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 ...
Page 2
Features ■ Docking LPC Switch — Hot plugability — LPCPD and CLKRUN support — The connection is controlled by software — Low switch resistance and propagation delay — Programmable Clock to Reset Delay ■ Fast Infrared Port (FIR) — Software ...
Page 3
... Please note that all data and specifications are subject to change without notice. All the trademarks of products and companies mentioned in this product brief belong to their respective owners. www.winbond.com Order Number WPCN385L_0DG Important Notice Winbond Electronics Corporation America 2727 North First Street, San Jose, CA 95134, U ...