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| part number        = CN5840-900BG1521-SCP
 
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'''CN5840-900 SCP''' is a {{arch|64}} [[octa-core]] [[MIPS]] secure communication microprocessor (SCP) designed by [[Cavium]] and introduced in [[2007]]. This processor, which incorporates eight {{cavium|cnMIPS|l=arch}} cores, operates at 900 MHz and supports up to DDR2-800 ECC memory. This MPU includes a number of hardware accelerators specifically for improving the performance of secure communication software such as encryption, compression/decompression, and TCP acceleration.
 
'''CN5840-900 SCP''' is a {{arch|64}} [[octa-core]] [[MIPS]] secure communication microprocessor (SCP) designed by [[Cavium]] and introduced in [[2007]]. This processor, which incorporates eight {{cavium|cnMIPS|l=arch}} cores, operates at 900 MHz and supports up to DDR2-800 ECC memory. This MPU includes a number of hardware accelerators specifically for improving the performance of secure communication software such as encryption, compression/decompression, and TCP acceleration.

Latest revision as of 15:12, 13 December 2017

Edit Values
Cavium CN5840-900 SCP
octeon plus chip.png
General Info
DesignerCavium
ManufacturerTSMC
Model NumberCN5840-900 SCP
Part NumberCN5840-900BG1521-SCP
MarketNetwork
IntroductionOctober 9, 2006 (announced)
February, 2007 (launched)
General Specs
FamilyOCTEON Plus
SeriesCN58xx
Frequency900 MHz
Microarchitecture
ISAMIPS64 (MIPS)
MicroarchitecturecnMIPS
Process90 nm
TechnologyCMOS
Word Size64 bit
Cores8
Threads8
Multiprocessing
Max SMP1-Way (Uniprocessor)
Packaging
PackageFCBGA-1521 (BGA)
Ball Count1521
InterconnectBGA-1521

CN5840-900 SCP is a 64-bit octa-core MIPS secure communication microprocessor (SCP) designed by Cavium and introduced in 2007. This processor, which incorporates eight cnMIPS cores, operates at 900 MHz and supports up to DDR2-800 ECC memory. This MPU includes a number of hardware accelerators specifically for improving the performance of secure communication software such as encryption, compression/decompression, and TCP acceleration.


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$384 KiB
393,216 B
0.375 MiB
L1I$256 KiB
262,144 B
0.25 MiB
8x32 KiB64-way set associative 
L1D$128 KiB
131,072 B
0.125 MiB
8x16 KiB64-way set associative 
L2$2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
  1x2 MiB8-way set associative 

Memory controller[edit]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR2-800
Supports ECCYes
Controllers1
Channels1
Width128 bit
Max Bandwidth11.92 GiB/s
12,206.08 MiB/s
12.799 GB/s
12,799.003 MB/s
0.0116 TiB/s
0.0128 TB/s
Bandwidth
Single 11.92 GiB/s

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCI-X
Width64 bit
Clock133.33 MHz
Rate1,017.25 MiB/s
Featureshost or slave
UART
Ports2
GP I/OYes


Networking[edit]

[Edit/Modify Network Info]

ethernet plug icon.svg
Networking
MII
RGMIIYes (Ports: 8)
SPI
SPI-4.2Yes (Ports: 2)

Hardware Accelerators[edit]

[Edit/Modify Accelerators Info]

hardware accel icon.svg
Hardware Accelerators
Encryption
Hardware ImplementationYes
TypesDES, 3DES, AES-GCM, AES up to 256, SHA1, SHA-2 up to SHA-512, RSA up to 8192, DH, KASUMI
Networking
TCPYes
QoSYes

Block diagram[edit]

octeon plus cn58xx.png

Datasheet[edit]

Retrieved from "https://en.wikichip.org/w/index.php?title=cavium/octeon_plus/cn5840-900bg1521-scp&oldid=70306"
Facts about "CN5840-900 SCP - Cavium"
RDF feed
Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
CN5840-900 SCP - Cavium#package +
base frequency900 MHz (0.9 GHz, 900,000 kHz) +
core count8 +
designerCavium +
familyOCTEON Plus +
first announcedOctober 9, 2006 +
first launchedFebruary 2007 +
full page namecavium/octeon plus/cn5840-900bg1521-scp +
has ecc memory supporttrue +
has hardware accelerators for cryptographytrue +
has hardware accelerators for network quality of service processingtrue +
has hardware accelerators for tcp packet processingtrue +
instance ofmicroprocessor +
isaMIPS64 +
isa familyMIPS +
l1$ size384 KiB (393,216 B, 0.375 MiB) +
l1d$ description64-way set associative +
l1d$ size128 KiB (131,072 B, 0.125 MiB) +
l1i$ description64-way set associative +
l1i$ size256 KiB (262,144 B, 0.25 MiB) +
l2$ description8-way set associative +
l2$ size2 MiB (2,048 KiB, 2,097,152 B, 0.00195 GiB) +
ldateFebruary 2007 +
main imageFile:octeon plus chip.png +
manufacturerTSMC +
market segmentNetwork +
max cpu count1 +
max memory bandwidth11.92 GiB/s (12,206.08 MiB/s, 12.799 GB/s, 12,799.003 MB/s, 0.0116 TiB/s, 0.0128 TB/s) +
max memory channels1 +
microarchitecturecnMIPS +
model numberCN5840-900 SCP +
nameCavium CN5840-900 SCP +
packageFCBGA-1521 +
part numberCN5840-900BG1521-SCP +
process90 nm (0.09 μm, 9.0e-5 mm) +
seriesCN58xx +
smp max ways1 +
supported memory typeDDR2-800 +
technologyCMOS +
thread count8 +
word size64 bit (8 octets, 16 nibbles) +