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PC8374T Datasheet

  • PC8374T

  • SafeKeeper Desktop Trustedl/O

  • 637.11KB

  • 48頁(yè)

  • NSC

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PC8374T SafeKeeper
餂?/span>
Desktop TrustedI/O
PRODUCT BRIEF
August 2004
Revision 1.1
PC8374T
SafeKeeper
餂?/div>
Desktop TrustedI/O
General Description
The National Semiconductor PC8374T Advanced I/O prod-
uct is a member of the PC837x SuperI/O family. All PC837x
devices are highly integrated and are pin and software com-
patible, thus providing drop-in interchangeability and en-
abling a variety of assembly options using only a single
motherboard and BIOS.
PC8374T integration allows for a reduced system board size
and saves on total system cost.
The PC8374T includes legacy SuperI/O functions, Trusted
Platform Module (TPM), system glue functions, health mon-
itoring and control, commonly used functions such as GPIO,
and ACPI-compliant Power Management support.
The Trusted Platform Module provides a solution for PC se-
curity, based on the TCG standard. The complete security
solution includes hardware, software, and firmware.
The PC8374T integrates miscellaneous analog and digital
system glue functions to reduce the number of discrete
components required. The host communicates with the
functions integrated in the PC8374T through an LPC Bus
Interface.
The PC8374T supports both I/O and memory mapping of
module registers and enables building legacy-free systems.
Outstanding Features
鈻?/div>
TCG 1.1b based Trusted Platform Module (TPM)
鈥?/div>
Integrated non-volatile secure storage
鈥?/div>
Hardware and software protection schemes
鈥?/div>
Tamper resistance schemes
鈥?/div>
Pin compatible to integrated TPM 1.2 device
Legacy modules: Parallel Port, Floppy Disk Controller
(FDC), two Serial Ports, Serial InfraRed Port and a Key-
board and Mouse Controller (KBC)
Glue functions to complement the South Bridge func-
tionality
System health support, including SensorPath餂?sensor
interface, and fan monitor and control
V
SB3
-powered Power Management with 19 wake-up
sources
Controls three LED indicators
16 GPIO pins with a variety of wake-up options
I/O-mapped and memory-mapped registers
128-pin PQFP package
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
鈻?/div>
PC8374T System Block Diagram
South Bridge
System
BIOS
V
BAT
SMBus I/F
LPC Bus
Power Management
Serial Interface x 2
Parallel Port Interface
Floppy Drive Interface
PS/2 Interfaces
KBC Ports
Infrared Interface
GPIO
SensorPath
TM
I/F
PC8374T
TPM
SuperI/O
Wake-Up
Events
Physical
Presence
LEDs
LMxx Sensors
Tacho
PWM
Reset
Logic
Power
Supply
Drv
Drv
Drv
National Semiconductor and TRI-STATE
餂?/div>
are registered trademarks of National Semiconductor Corporation.
SensorPath
餂?/div>
and SafeKeeper
餂?/div>
are trademarks of National Semiconductor Corporation.
All other brand or product names are trademarks or registered trademarks of their respective holders.
漏 2004 National Semiconductor Corporation
www.national.com

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  • 英文版
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    SafeKeeper Desktop Trustedl/O
    NSC [Natio...
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    NPN-OUTPUT DC-INPUT OPTOCOUPLER
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    NPN-OUTPUT DC-INPUT OPTOCOUPLER
    ETC
  • 英文版
    NPN-OUTPUT DC-INPUT OPTOCOUPLER
    ETC
  • 英文版
    NPN-OUTPUT DC-INPUT OPTOCOUPLER
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  • 英文版
    NPN-OUTPUT DC-INPUT OPTOCOUPLER
    ETC
  • 英文版
    NPN-OUTPUT DC-INPUT OPTOCOUPLER
    ETC
  • 英文版
    SensorPathTM SuperI/O with Glue Functions
    NSC [Natio...
  • 英文版
    SensorPathTM SuperI/O with Glue Functions
    NSC [Natio...

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