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ADSP-2141L fiches techniques PDF

Analog Devices - DSP

Numéro de référence ADSP-2141L
Description DSP
Fabricant Analog Devices 
Logo Analog Devices 





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ADSP-2141L fiche technique
a
R
DSP
ADSP-2141L
APPLICATIONS
Security Coprocessor for High Speed Networking Prod-
ucts (Routers, Switches, Hubs)
Cryptographic Core for Firewalls, Hardware Encryptors,
and More
Crypto Peripheral for Implementing Secure NIC Adapt-
ers (10/100 Ethernet, Token Ring, ISDN)
Secure Modem-on-a-Chip (V.34, ADSL)
FEATURES
DES CRYPTO BLOCK
640 Mbps Sustained Performance—Single DES
214 Mbps Sustained Performance—Triple DES
Supports All Modes: ECB; CBC; 64-Bit OFB; and 1-, 8-,
64-Bit CFB. Includes Automatic Padding
Implements IPsec ESP Transforms Autonomously at
OC-3 (155 Mbps) Rates (3-DES, SHA-1)
HASH BLOCK
Hardware-Based SHA-1 and MD-5 Hashing
253 Mbps Sustained Performance—SHA-1
315 Mbps Sustained Performance—MD-5
Implements IPsec AH and HMAC Transforms
SECURE KERNEL CONTROL
Tamper-Resistant Isolation of Cryptographic Functions
Enforces Security Perimeter Around Crypto Functions
and Crypto Storage Locations
Anticloning Protection
Secure Algorithm Download
SafeNet CGX LIBRARY
On-Chip SafeNet CGX Crypto Library with Flexible CGX
API
Includes Chained and Parallel Execution Commands
Such as Hash-and-Encrypt
Embodied as 32K Words (32K ؋ 24) Kernel Program
Mask-Programmed into On-Chip ROM
On-Chip Protected 4K ؋ 16 Security Scratchpad RAM
RANDOM NUMBER GENERATOR
Hardware-Based Nondeterministic Random Number
Generator
Generates Internal Session Keys That Are Never
Exposed Outside of the SafeNet DSP
Redundant Fail-Safe Design
Up to 1.3 Mbits of Random Data Available per Second
FUNCTIONAL BLOCK DIAGRAM
INTERRUPTS
FLAGS
SPORT 0
SERIAL
PORTS
SPORT 1
KERNEL
MODE
CONTROL
ADSP-218x
DSP CORE
KERNEL ROM
32K ؋ 24
PROG ROM
16K ؋ 24
DATA ROM
16K ؋ 16
TIMER
BUS_MODE
IDMA
BUS
IDMA MODE
PCI MODE
DMA-32
CONTROLLER
PROTECTED
KERNEL
RAM
(4K ؋ 16)
ENCRYPT
BLOCK
(DES, 3-DES)
HASH
BLOCK
(MD-5, SHA-1)
RNG
BLOCK
INTERRUPT APPLICATION
CONTROLLER REGISTERS
EXTERNAL
MEMORY
INTERFACE
LASER
VARIABLE
STORE
PF7/ INT_H
26-BITS
ADDR
32-BITS
DATA
RAM/ROM
16
IDMA
16
INTERFACE
32
PCI OR
32
CARDBUS
INTERFACE
PUBLIC KEY
ACCELERATOR
EMI BUS
SERIAL
EEPROM
INTERFACE
BUS_MODE
BUS_SEL
16-
OR
32-BIT
BUS
SafeNet is a registered trademark of Information Resource Engineering (IRE).
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000

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