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PC87360-XXX/VLA Datasheet

  • PC87360-XXX/VLA

  • 128-Pin LPC SuperI/O with Protection and Extensive GPIO Supp...

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  • NSC

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PC87360 128-Pin LPC SuperI/O with Protection and Extensive GPIO Support
PRELIMINARY
January 10, 1999
PC87360
128-Pin LPC SuperI/O with Protection and Extensive
GPIO Support
General Description
The PC87360 is the first member of National Semiconduc-
tor鈥檚 128-pin SuperI/O family to support the Low Pin Count
(LPC) interface. It provides features to protect the system
design, and supports 45 GPIO ports, many with Assert
IRQ/SMI/PWUREQ capability. The PC87360 is PC99 and
ACPI compliant, and offers a single-chip solution to the
most commonly used PC I/O peripherals.
The PC87360 also incorporates: Fan Speed Control and
Monitoring for two fans, a Floppy Disk Controller (FDC), a
Keyboard and Mouse Controller (KBC), a full IEEE 1284
Parallel Port, two enhanced Serial Ports (UARTs), one with
Infrared (IR) support, an ACCESS.bus
廬
Interface (ACB),
System Wake-Up Control (SWC), Interrupt Serializer for
Parallel IRQs and an enhanced WATCHDOG鈩?timer.
Outstanding Features
q
Bus interface, based on Intel鈥檚
LPC Interface Speci鏗?
cation
Revision 1.0, September 29th, 1997
Protection features, including I/O access lock, GPIO
lock and pin con鏗乬uration lock
45 GPIO Ports (37 standard, including 23 with Assert
IRQ/SMI/PWUREQs interrupts; 8 V
SB
-powered)
Fan Speed Control and Monitor for two fans
Interrupt Serializer (11 Parallel IRQs to Serial IRQ)
Serial IRQ support (15 options)
ACCESS.bus Interface, compatible with SMbus physi-
cal layer
Blinking LEDs
128-pin PQFP Package
q
q
q
q
q
q
q
q
Block Diagram
Serial
Interface
Serial Infrared
Interface Interface
I/O
Ports
Floppy Drive
Interface
LPC Serial
Parallel Port
Interface
IRQ SMI
Interface
Serial Port 1
Serial Port 2
with IR
GPIO Ports
Floppy Disk
Controller
IEEE 1284
Parallel Port
Bus
Interface
V
DD
V
BAT
V
SB
System Wake-Up
Control
ACCESS.bus
Interface
WATCHDOG
Timer
Fan Speed
Control & Monitor
Keyboard &
Mouse Controller
Interrupt
Serializer
Wake-Up PWUREQ
Events
SCL
SDA
WDO
2 Control 2 Monitor Keyboard Ports
Outputs
Inputs & Mouse I/F
Parallel
IRQs
ACCESS.bus廬 is a registered trademark of Digital Equipment Corporation.
I2C廬 is a registered trademark of Philips Corporation.
IBM廬, MicroChannel廬, PC-AT廬 and PS/2廬 are registered trademarks of International Business Machines Corporation.
Microsoft廬 and Windows廬 are registered trademarks of Microsoft Corporation.
TRI-STATE廬 is a registered trademark of National Semiconductor Corporation.
WATCHDOG鈥?is a trademark of National Semiconductor Corporation.
SMBus廬 is a registered trademark of Intel Corporation.
漏
1999 National Semiconductor Corporation
www.national.com

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