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{{cavium title|CN3120-550 NSP}}
 
{{cavium title|CN3120-550 NSP}}
{{mpu
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{{chip
 
| name                = Cavium CN3120-550 NSP
 
| name                = Cavium CN3120-550 NSP
 
| no image            =  
 
| no image            =  
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| model number        = CN3120-550 NSP
 
| model number        = CN3120-550 NSP
 
| part number        = CN3120-550BG868-NSP
 
| part number        = CN3120-550BG868-NSP
| part number 1      =
 
 
| part number 2      =  
 
| part number 2      =  
 
| part number 3      =  
 
| part number 3      =  
 +
| part number 4      =
 
| market              = Embedded
 
| market              = Embedded
 
| first announced    = January 30, 2006  
 
| first announced    = January 30, 2006  
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| last order          =  
 
| last order          =  
 
| last shipment      =  
 
| last shipment      =  
| release price      =  
+
| release price      = $125.00
  
 
| family              = OCTEON
 
| family              = OCTEON
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| max memory addr    =  
 
| max memory addr    =  
  
| electrical          = Yes
+
 
 
| power              = 7 W
 
| power              = 7 W
 
| v core              =  
 
| v core              =  
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| tambient max        =  
 
| tambient max        =  
  
| packaging          = Yes
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|package module 1={{packages/cavium/hsbga-868}}
| package 0          = HSBGA-868
 
| package 0 type      = HSBGA
 
| package 0 pins      = 868
 
| package 0 pitch    =  
 
| package 0 width    =
 
| package 0 length    =
 
| package 0 height    =
 
| socket 0            = BGA-868
 
| socket 0 type      = BGA
 
 
}}
 
}}
 
The '''CN3120-550 NSP''' is a {{arch|64}} [[dual-core]] [[MIPS]] network service [[microprocessor]] (NSP) designed by [[Cavium]] and introduced in [[2006]]. This processor, which incorporates a two {{cavium|cnMIPS|l=arch}} cores, operates at 555 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.
 
The '''CN3120-550 NSP''' is a {{arch|64}} [[dual-core]] [[MIPS]] network service [[microprocessor]] (NSP) designed by [[Cavium]] and introduced in [[2006]]. This processor, which incorporates a two {{cavium|cnMIPS|l=arch}} cores, operates at 555 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.
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|encryption type=DES, 3DES, AES up to 256 bit, SHA1, SHA-2 up to SHA-512, RSA, DH
 
|encryption type=DES, 3DES, AES up to 256 bit, SHA1, SHA-2 up to SHA-512, RSA, DH
 
|regex=Yes
 
|regex=Yes
|regex feature=16 Engines
+
|regex feature=8 Engines
 
|compression=Yes
 
|compression=Yes
 
|decompression=Yes
 
|decompression=Yes

Latest revision as of 16:11, 13 December 2017

Edit Values
Cavium CN3120-550 NSP
octeon cn31xx.png
General Info
DesignerCavium
ManufacturerTSMC
Model NumberCN3120-550 NSP
Part NumberCN3120-550BG868-NSP
MarketEmbedded
IntroductionJanuary 30, 2006 (announced)
May 1, 2006 (launched)
Release Price$125.00
General Specs
FamilyOCTEON
SeriesCN3100
Frequency550 MHz
Microarchitecture
ISAMIPS64 (MIPS)
MicroarchitecturecnMIPS
Core NamecnMIPS
Process130 nm
TechnologyCMOS
Word Size64 bit
Cores2
Threads2
Max Memory4 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power dissipation7 W
Packaging
PackageHSBGA-868 (BGA)
Ball Count868
InterconnectBGA-868

The CN3120-550 NSP is a 64-bit dual-core MIPS network service microprocessor (NSP) designed by Cavium and introduced in 2006. This processor, which incorporates a two cnMIPS cores, operates at 555 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$80 KiB
81,920 B
0.0781 MiB
L1I$64 KiB
65,536 B
0.0625 MiB
2x32 KiB4-way set associative 
L1D$16 KiB
16,384 B
0.0156 MiB
2x8 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 subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
CN3120-550 NSP - Cavium#package +
base frequency550 MHz (0.55 GHz, 550,000 kHz) +
core count2 +
core namecnMIPS +
designerCavium +
familyOCTEON +
first announcedJanuary 30, 2006 +
first launchedMay 1, 2006 +
full page namecavium/octeon/cn3120-550bg868-nsp +
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 +
instance ofmicroprocessor +
isaMIPS64 +
isa familyMIPS +
l1$ size80 KiB (81,920 B, 0.0781 MiB) +
l1d$ description64-way set associative +
l1d$ size16 KiB (16,384 B, 0.0156 MiB) +
l1i$ description4-way set associative +
l1i$ size64 KiB (65,536 B, 0.0625 MiB) +
l2$ description8-way set associative +
l2$ size0.25 MiB (256 KiB, 262,144 B, 2.441406e-4 GiB) +
ldateMay 1, 2006 +
main imageFile:octeon cn31xx.png +
manufacturerTSMC +
market segmentEmbedded +
max cpu count1 +
max memory4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB, 0.00391 TiB) +
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 +
microarchitecturecnMIPS +
model numberCN3120-550 NSP +
nameCavium CN3120-550 NSP +
packageHSBGA-868 +
part numberCN3120-550BG868-NSP +
power dissipation7 W (7,000 mW, 0.00939 hp, 0.007 kW) +
process130 nm (0.13 μm, 1.3e-4 mm) +
release price$ 125.00 (€ 112.50, £ 101.25, ¥ 12,916.25) +
seriesCN3100 +
smp max ways1 +
supported memory typeDDR2-667 +
technologyCMOS +
thread count2 +
word size64 bit (8 octets, 16 nibbles) +