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PC87365 Datasheet

  • PC87365

  • 128-Pin LPC SuperI/O with System Hardware Monitoring

  • 215頁(yè)

  • NSC

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PC87365 128-Pin LPC SuperI/O with System Hardware Monitoring
PRELIMINARY
November 2000
Revision 2.01
PC87365
128-Pin LPC SuperI/O with System Hardware Monitoring
General Description
The PC87365, a member of National Semiconductor鈥檚 128-
pin LPC SuperI/O family, features National鈥檚 new System
Hardware Monitoring capability. The PC87365 is PC99 and
ACPI compliant, and offers a single-chip solution to the most
commonly used PC I/O peripherals.
System Hardware Monitoring provides minimum power con-
sumption and maximum operating efficiency within the system
environment. It integrates National鈥檚 Voltage Level Monitor
(VLM) which monitors system voltages using 8-bit Analog to
Digital (A/D) conversion, seven analog input channels and
V
REF
input, and National鈥檚 diode input Temperature Sensor
for full, PC system thermal control.
The PC87365 also incorporates: Fan Speed Control and
Monitor (FSCM) for three fans, extended wake-up support
for a wide range of wake-up events, system design protection
features, a Floppy Disk Controller (FDC), a Keyboard and
Mouse Controller (KBC), ACCESS.bus
廬
Interface (ACB),
System Wake-Up Control (SWC), General-Purpose In-
put/Output (GPIO) support for 40 ports, Interrupt Serializer
for Parallel IRQs, an enhanced WATCHDOG Timer (WDT),
a full IEEE 1284 Parallel Port and two enhanced Serial Ports
(UARTs), one with Infrared (IR) support.
Outstanding Features
q
System Hardware Monitoring including:
鈥?/div>
Diode-based Temperature Sensor (TMS)
鈥?/div>
Voltage Level Monitor (VLM) with VID inputs
Extended Wake-Up support, including legacy/ACPI
power button support, direct power supply control in
response to wake-up events, power-fail recovery
Protection features, including I/O access lock, chassis
hood lock/unlock, chassis intrusion detection, GPIO lock
and pin configuration lock
Fan Speed Control and Monitor for three fans
Serial IRQ support (15 options)
Interrupt Serializer (11 Parallel IRQs to Serial IRQ)
Bus interface, based on Intel鈥檚
LPC Interface Speci鏗?
cation
Revision 1.0, September 29th, 1997
ACCESS.bus Interface, SMbus
廬
physical layer compatible
40 GPIO Ports (29 standard, including 15 with Assert
IRQ/SMI/PWUREQs interrupts; 11 V
SB
powered)
Blinking LEDs
128-pin PQFP Package
q
q
q
q
q
q
q
q
q
q
Block Diagram
Serial
Interface
Serial Infrared
Interface Interface
I/O
Ports
Floppy Drive
Interface
Parallel Port LPC Serial
Analog
Diode
Interface
Interface
IRQ
SMI
Inputs
V
REF
Interface
System
Hardware
Monitoring
Serial Port 1
Serial Port 2
with IR
GPIO Ports
Floppy Disk
Controller
IEEE 1284
Parallel Port
Bus
Interface
AV
DD
V
DD
V
BdAT
V
SB
System Wake-Up
Control
ACCESS.bus
Interface
WATCHDOG
Timer
Fan Speed
Control & Monitor
Keyboard &
Mouse Controller
Interrupt
Serializer
Power Wake-Up PWUREQ SCL
Control Events
SDA
WDO
3 Control 3 Monitor Keyboard & Ports
Mouse I/F
Outputs
Inputs
Parallel
IRQs
National Semiconductor is a registered trademark of National Semiconductor Corporation.
All other brand or product names are trademarks or registered trademarks of their respective holders.
漏
2000 National Semiconductor Corporation
www.national.com

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