PC21100 Datasheet, PDF(1/2 Page) National Semiconductor (TI) – LPC-Based TCPA-Compliant Security Controller

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PC21100 Datasheet, PDF (1/2 Pages) National Semiconductor (TI) – LPC-Based TCPA-Compliant Security Controller

PRODUCT BRIEF

February 2002

Revision 1.0

PC21100 (SafeKeeperTM)

LPC-Based TCPA-Compliant Security Controller

General Description

The PC21100 is a single-chip Trusted Platform Module

(TPM) solution for PC security based on the TCPA standard.

It is fully TCPA-compliant and offers system designers all the

advantages of Trusted Computing as defined by the TCPA.

The PC21100 is a member of the National Semiconductorï

TrustedI/O family, which provides TCPA-compliant security

functions. The PC21100 includes a CompactRISC embedded

RISC core for hidden execution of security code, flash memory-

based secured information storage, SecureRun, a performance

accelerator that supports cryptographic algorithms (SHA-1

and RSA), and a true RNG. In addition, the PC21100

integrates a variety of system functions, enabling efficient

implementation of a highly secure trustworthy system.

The PC21100 provides desktop and mobile PC platforms with:

System integrity checks:

Ensures that no unauthorized changes have been made to

the hardware or software

Authentication:

Provides assurances that the source of the data is valid and

as expected

Data integrity checks:

Provides assurances that received data is exactly as sent

Secure storage:

Protects sensitive and confidential data, such as credit card

numbers and passwords

Trustworthiness:

Allows the user to trust authorized third parties, while proving

that the userâs PC is trustworthy and maintaining privacy

Outstanding Features

I TCPA 1.1 compliant

I PC01 and ACPI 2.0 compliant

I LPC based Host interface (based on Intel's LPC Inter-

face Specification Revision 1.0) with optimized com-

munication modes and Mobile System Support

â Fast BIOS hash mode

â BIOS mode

â OS mode with low communication overhead

I 16-bit RISC core, with 2 Mbyte address space, and 20

MHz execution cycle

I Integrated 128 Kbyte secure flash memory and

8 Kbyte of RAM

I Embedded TCPA 1.1 firmware

I Full Host Software Stack implementation

I Storage for more than thirty 2048-bit RSA keys

I SHA-1 and RSA cryptographic accelerator

I Platform attachment indicator

I Secure GPIO port

I Low power consumption

I Extremely low idle current

I Hardware True-Random Number Generator

I 28-pin PLCC and 36-pin LLP packages

PC21100 System Connections

Graphic Unit

System

Memory

CPU

MCH

(NB)

ICH

(SB)

PC21100

20 MHz RISC

Core

8K RAM

128K Flash

SecureRun

Accelerator

SHA/RSA

True RNG

Host

Communication

LPC I/F

Peripherals

Timers and

WATCHDOG

Power

Management

Clock

Generation

LPC Bus

FWH

(Sys. BIOS)

SuperI/O

National Semiconductor is a registered trademark of National Semiconductor Corporation. SafeKeeper is a trademark of National Semiconductor Corporation.

All other brand or product names are trademarks or registered trademarks of their respective holders.

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