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{{cavium title|CN3110-550 NSP}}
 
{{cavium title|CN3110-550 NSP}}
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| name                = Cavium CN3110-550 NSP
 
| name                = Cavium CN3110-550 NSP
 
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| model number        = CN3110-550 NSP
 
| model number        = CN3110-550 NSP
 
| part number        = CN3110-550BG868-NSP
 
| part number        = CN3110-550BG868-NSP
| part number 1      =
 
 
| part number 2      =  
 
| part number 2      =  
 
| part number 3      =  
 
| part number 3      =  
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| part number 4      =
 
| market              = Embedded
 
| market              = Embedded
 
| first announced    = January 30, 2006  
 
| first announced    = January 30, 2006  
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| electrical          = Yes
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| power              = 7 W
 
| power              = 7 W
 
| v core              =  
 
| v core              =  

Latest revision as of 16:11, 13 December 2017

Edit Values
Cavium CN3110-550 NSP
octeon cn31xx.png
General Info
DesignerCavium
ManufacturerTSMC
Model NumberCN3110-550 NSP
Part NumberCN3110-550BG868-NSP
MarketEmbedded
IntroductionJanuary 30, 2006 (announced)
May 1, 2006 (launched)
General Specs
FamilyOCTEON
SeriesCN3100
Frequency550 MHz
Microarchitecture
ISAMIPS64 (MIPS)
MicroarchitecturecnMIPS
Core NamecnMIPS
Process130 nm
TechnologyCMOS
Word Size64 bit
Cores1
Threads1
Max Memory4 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power dissipation7 W
Packaging
PackageHSBGA-868 (BGA)
Ball Count868
InterconnectBGA-868

The CN3110-550 NSP is a 64-bit single-core MIPS network service microprocessor (NSP) designed by Cavium and introduced in 2006. This processor, which incorporates a single cnMIPS core, operates at 550 MHz and dissipates 7 Watts. This processor includes a number of hardware accelerators for network services such as encryption, compression & decompression, RegEx engine, TCP, and QoS. This MPU supports up to 4 GiB of 64-bit DDR2-667 ECC memory.

Cache[edit]

Main article: cnMIPS § Cache

[Edit/Modify Cache Info]

hierarchy icon.svg
Cache Organization
Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory.

The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC.

Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies.

Note: All units are in kibibytes and mebibytes.
L1$40 KiB
40,960 B
0.0391 MiB
L1I$32 KiB
32,768 B
0.0313 MiB
1x32 KiB4-way set associative 
L1D$8 KiB
8,192 B
0.00781 MiB
1x8 KiB64-way set associativeWrite-through

L2$256 KiB
0.25 MiB
262,144 B
2.441406e-4 GiB
  1x256 KiB8-way set associative 

Memory controller[edit]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR2-667
Supports ECCYes
Max Mem4 GiB
Controllers1
Channels1
Width64 bit
Max Bandwidth4.97 GiB/s
5,089.28 MiB/s
5.336 GB/s
5,336.497 MB/s
0.00485 TiB/s
0.00534 TB/s
Bandwidth
Single 4.97 GiB/s

Optional low-latency controller for content-based processing and meta data

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR2-667
Supports ECCYes
Max Mem2 GiB
Controllers1
Channels1
Width16 bit
Max Bandwidth1.24 GiB/s
1,269.76 MiB/s
1.331 GB/s
1,331.44 MB/s
0.00121 TiB/s
0.00133 TB/s
Bandwidth
Single 1.24 GiB/s

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCI-X
Width32 bit
Clock100 MHz
Rate381.5 MiB/s
USB
Revision2.0
Ports1
Rate60 MB/s
Featureshost / PHY
UART
Ports2

GP I/OYes


Networking[edit]

[Edit/Modify Network Info]

ethernet plug icon.svg
Networking
MII
GMIIYes (Ports: 1)
RGMIIYes (Ports: 3)
TDM/PCMYes

Hardware Accelerators[edit]

[Edit/Modify Accelerators Info]

hardware accel icon.svg
Hardware Accelerators
Encryption
Hardware ImplementationYes
TypesDES, 3DES, AES up to 256 bit, SHA1, SHA-2 up to SHA-512, RSA, DH
RegEx
RegExYes
Features8 Engines
Networking
TCPYes
QoSYes
Compression
CompressionYes
DecompressionYes

Block diagram[edit]

octeon cn31xx block diagram.png

Datasheet[edit]

has ecc memory supporttrue +
has hardware accelerators for cryptographytrue +
has hardware accelerators for data compressiontrue +
has hardware accelerators for data decompressiontrue +
has hardware accelerators for network quality of service processingtrue +
has hardware accelerators for regular expressiontrue +
has hardware accelerators for tcp packet processingtrue +
l1$ size40 KiB (40,960 B, 0.0391 MiB) +
l1d$ description64-way set associative +
l1d$ size8 KiB (8,192 B, 0.00781 MiB) +
l1i$ description4-way set associative +
l1i$ size32 KiB (32,768 B, 0.0313 MiB) +
l2$ description8-way set associative +
l2$ size0.25 MiB (256 KiB, 262,144 B, 2.441406e-4 GiB) +
max memory bandwidth4.97 GiB/s (5,089.28 MiB/s, 5.336 GB/s, 5,336.497 MB/s, 0.00485 TiB/s, 0.00534 TB/s) + and 1.24 GiB/s (1,269.76 MiB/s, 1.331 GB/s, 1,331.44 MB/s, 0.00121 TiB/s, 0.00133 TB/s) +
max memory channels1 +
supported memory typeDDR2-667 +