Processor Innovation for Intelligent Networks
Multi-Core MIPS64 Processors
R
OCTEON CN31XX Single and Dual Core MIPS64 Based SoCs
TM
Product Brief
OVERVIEW
The OCTEON CN31XX family of Single and Dual Core MIPS64 processors targets intelligent networking, control plane, storage,
and wireless applications in next-generation equipment from hundreds of Mbps to 2 Gbps performance. This cost-effective
family consists of 8 different software-compatible parts, with one or two cnMIPS64 cores on a single chip that integrate
next-generation I/Os, including gigabit Ethernet and USB 2.0, along with the most advanced security and application hardware
acceleration to deliver a 3x+ performance, power and real-estate value proposition over alternatives.
FEATURES
Custom CPU cores optimized for networking
•
1-2 cnMIPS™ CPU cores (MIPS64/32 compatible) with
MMU
•
Available in 300 MHz to 500 MHz versions
•
Enhanced MIPS64 integer (Release 2) instruction set
•
Dual-issue, five-stage pipeline, optimized latencies
•
Auto instruction pre-fetching and advanced data
pre-fetching
features to minimize memory stalls
BENEFITS
Market-leading performance
•
Up to 2 Billion instructions per second
•
500 Mbps to 2 Gbps application performance
-
Up to 2 Gbps 64B IP forwarding
-
Up to 2 Gbps for TCP, IPsec, SSL, compression/
decompression
-
Up to 1 Gbps for Regular Expression
Support for voice, video and data with integrated hardware
•
Queuing, scheduling
•
Very low latency for real-time traffic
High-performance coherent memory subsystem
•
256KB ECC protected 4-way set associative L2 cache with
locking, partitioning features for optimal performance
•
Integrated mainstream 64/72b DDR2 memory controller with
ECC, up to DDR2-667
•
Optional, additional low-latency 16-bit DDR2-667 for content
based processing and meta-data
Reduced BOM cost with essential interfaces for next
generation networking equipment
•
Glueless support for switching, WLAN, voice and video
•
High-speed USB 2.0 enables printer, storage connectivity
Integrated coprocessors for application acceleration
•
Packet I/O processing, QoS, TCP, Acceleration
•
Support for IPsec, SSL, SRTP, WLAN security (includes
DES, 3DES, AES (up to 256-bit), SH-A1, SHA-2 up to
SHA-512, RSA, DH)
•
Regular expression, compression/de-compression
Flexible architecture allows host and coprocessor
Implementations
Industry-standard programming model without any need
for proprietary tools or micro-coding
Fully software compatible with OCTEON CN38XX, CN36XX,
CN30XX to deliver 1-16 CPU scalability
Integrated high-performance networking interfaces
•
Up to 3 Configurable Ethernet I/Os - 3x 10/100/1000
Ethernet MACs (RGMII) or 1x RGMII + 1x GMII
•
Integrated 32-bit, 100 MHz PCI/PCI-X host or slave
•
TDM/PCM interface for glueless VoIP support
•
USB 2.0, high-speed (480 Mbps), host with integrated PHY
OCTEON CN31XX - Block Diagram
16-bit DDR2
Optional
RNG
RNG
Boot/flash
GPIO
2xUART
8x RegEx
8x RegEx
Engines
Engines
Hyper Access Low Latency
Hyper Access Low Latency
Memory Controller
Memory Controller
Misc I/O
Misc I/O
PCI-X
PCI-X
TCP Unit
TCP Unit
Sched/
Sched/
Synch/
Synch/
Order
Order
Packet
Security
MIPS64 r2
Integer
32K Icache
8K Dcache
2K Write Buffer
1-2
cnMIPS
cores
Packet
Security
MIPS64 r2
Integer
32K Icache
8K Dcache
2K Write Buffer
PCI 32-bit
100 MHz
TDM/PCM
USB 2.0
Host w/PHY
TDM/PCM
TDM/PCM
USB
USB
Compress
Compress
/
/
Decomp
Decomp
I/O Bus
Packet
Packet
Input
Input
I/O
I/O
Bridge
Bridge
Coherent Bus
Hyper
Hyper
Access
Access
Memory
Memory
Controller
Controller
72-bit wide – DDR II
up to DDR2 - 667 MHz
805 East Middlefield Road
Mountain View, CA 94043
T
650.623.7000
F
650.625.9751
E
sales@caviumnetworks.com
www.caviumnetworks.com
3x RGMII
or
1x RGMII +
1x GMII
Packet
Packet
Interface
Interface
Packet
Packet
Output
Output
256KB Shared
256KB Shared
L2 Cache
L2 Cache
Processor Innovation for Intelligent Networks
Multi-Core MIPS64 Processors
R
OCTEON CN31XX Single and Dual Core MIPS64 Based SoCs
TM
Product Brief
Single Chip UTM/Triple Play Solution
DRAM
DDR2
Audio and Video Inputs / Outputs
Video/Audio
En/decoder
SOC
PCI/PCI-X 32bit
Up to 100 MHz
R adio /
M AC
Optional
802.11n
Wireless
LAN
16 to 17-bits
RJ45
RJ45
RJ45
PHY
PHY
PHY
LAN
WAN
DMZ
O C T EO N
CN31XX
S L IC
USB 2.0
16-bits
Optional
DRAM DDR2
for Pattern
Matching
OCTEON CN31XX Applications
•
Next generation integrated, standalone routers and
appliances
•
Unified Threat Management (UTM) security appliances
with Firewall, VPN (IPsec, SSL), IDS, IPS and Anti-virus
scanning
•
Application aware / L4+ content processing and
switching
•
Triple-play voice, video and data wired and wireless
gateways
•
Network acceleration cards for security, TCP, content
processing, compression
•
Integrated management and route processor cards
•
Switch/router line card and services card control and
data-path processing
•
TCP, iSCSI, RDMA, compression processing for storage
applications
OCTEON Software Support
•
Cavium Networks SDK includes:
-
SMP LINUX support
-
Cavium Simple Executive for data plane applications
-
Complete GNU tool-chain, GDB, DDD and viewzilla
for tuning
-
Optimized C libraries for security, regular expression,
de/compression processing offload
-
Support for run-to-completion or pipelined software
models
•
Complete production quality development toolkits for IP,
IPsec, SSL, TCP, SSL-VPN available
•
Comprehensive Ecosystem support:
-
Popular third party Operating systems and toolchains,
including MontaVista Linux, WindRiver VxWorks, ENEA OSE
-
Broad range of third-party application software vendors,
including 6Wind, Intoto, D2 Technologies
•
MIPS64/32 support enables thousands of MIPS and other C/C++
applications to be easily ported to OCTEON
OCTEON CN31XX - Product Family
Performance
Device
*
Part Number
cnMIPS
cores
Max. Available
Instructions
Per Second
N
C
P
Option
E
X
P
S
C
P
Interfaces
USB TDM
C
Cache
2.0
P
L2
Ethernet
DFA
PCI / Memory
Package
PCI-X I/O wECC Memory
I/O wECC
CN3110
CN3110-XXXBG868-
Option Code
1
1G
x
x
x
x
256KB
X
X
868 BGA
3xRGMII or
1xRGMll+
1xGMll
32-bit/ 64/72-bit 1x16-bit
100 MHz
DDR2-667
DDR2-667
868 BGA
CN3120
CN3120-XXXBG868-
Option Code
2
2G
x
x
x
x
X
X
* (Part Number Options):
XXX = Device Speed Grade (300 = 300 MHz, 400 = 400 MHz, 500 = 500 MHz)
Option Code = Device Family (listed below):
805 East Middlefield Road
Mountain View, CA 94043
T
650.623.7000
F
650.625.9751
E
sales@caviumnetworks.com
www.caviumnetworks.com
NSP = Network Services Processor Includes: encryption, reg-ex acceleration, de/compression, networking, TCP acceleration and QoS
EXP = Extreme Processor Includes: reg-ex acceleration, de/compression, networking, TCP acceleration and QoS
SCP= Secure Communications Processor Includes: encryption, networking, TCP acceleration and QoS
CP = Communication Processor Includes: high performance packet processing, TCP acceleration and QoS
2006 Cavium Networks. All Rights reserved. NITROX and OCTEON are trademarks of Cavium Networks. All other brands and product names are trademarks of their respective owners.
CN31XX-PB-1.2 Printed in the USA
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