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The '''CN3630-400 SCP''' is a {{arch|64}} [[quad-core]] [[MIPS]] secure network communication [[microprocessor]] (SNP) designed by [[Cavium]] and introduced in [[2005]]. This processor, which incorporates four {{cavium|cnMIPS|l=arch}} cores, operates at 400 MHz and dissipates 14 Watts. This processor includes a number of hardware networking accelerators including units for high-performance packet I/O processing, QoS, TCP, and encryption. This MPU supports up to 16 GiB of DDR2-800 ECC memory.
 
The '''CN3630-400 SCP''' is a {{arch|64}} [[quad-core]] [[MIPS]] secure network communication [[microprocessor]] (SNP) designed by [[Cavium]] and introduced in [[2005]]. This processor, which incorporates four {{cavium|cnMIPS|l=arch}} cores, operates at 400 MHz and dissipates 14 Watts. This processor includes a number of hardware networking accelerators including units for high-performance packet I/O processing, QoS, TCP, and encryption. This MPU supports up to 16 GiB of DDR2-800 ECC memory.
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== Cache ==
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{{main|cavium/microarchitectures/cnmips#Memory_Hierarchy|l1=cnMIPS § Cache}}
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{{cache size
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|l1 cache=160 KiB
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|l1i cache=128 KiB
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|l1i break=4x32 KiB
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|l1i desc=64-way set associative
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|l1d cache=32 KiB
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|l1d break=4x8 KiB
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|l1d desc=64-way set associative
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|l1d policy=Write-through
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|l2 cache=512 KiB
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|l2 break=1x512 KiB
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|l2 desc=8-way set associative
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}}
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== Memory controller ==
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{{memory controller
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|type=DDR2-800
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|ecc=Yes
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|max mem=16 GiB
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|controllers=1
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|channels=1
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|width=64 bit
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|max bandwidth=5.96 GiB/s
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|bandwidth schan=5.96 GiB/s
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}}
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== Expansions ==
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{{expansions
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|pcix width=64 bit
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|pcix clock=133.33 MHz
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|pcix rate=1,017.25 MiB/s
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|pcix extra=host or slave
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|uart=yes
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|uart ports=2
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|gp io=Yes
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}}
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== Networking ==
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{{network
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|mii opts=Yes
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|rgmii=yes
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|rgmii ports=8
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|spi opts=Yes
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|spi42=Yes
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|spi42 ports=2
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}}
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== Hardware Accelerators ==
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{{accelerators
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|encryption=Yes
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|encryption type=DES, 3DES, AES up to 256 bit, SHA1, SHA-2 up to SHA-512, RSA, DH
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|tcp=Yes
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|qos=Yes
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}}
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== Block diagram ==
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[[File:octeon cn38xx block diagram.png|750px]]
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== Datasheet ==
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* [[:File:octeon cn38xx and cn36xx product brief.pdf|OCTEON CN38XX /CN36XX 4 to 16-Core Product Brief]]

Revision as of 12:43, 10 December 2016

Template:mpu The CN3630-400 SCP is a 64-bit quad-core MIPS secure network communication microprocessor (SNP) designed by Cavium and introduced in 2005. This processor, which incorporates four cnMIPS cores, operates at 400 MHz and dissipates 14 Watts. This processor includes a number of hardware networking accelerators including units for high-performance packet I/O processing, QoS, TCP, and encryption. This MPU supports up to 16 GiB of DDR2-800 ECC memory.

Cache

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$160 KiB
163,840 B
0.156 MiB
L1I$128 KiB
131,072 B
0.125 MiB
4x32 KiB64-way set associative 
L1D$32 KiB
32,768 B
0.0313 MiB
4x8 KiB64-way set associativeWrite-through
L2$512 KiB
0.5 MiB
524,288 B
4.882812e-4 GiB
  1x512 KiB8-way set associative 

Memory controller

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR2-800
Supports ECCYes
Max Mem16 GiB
Controllers1
Channels1
Width64 bit
Max Bandwidth5.96 GiB/s
6,103.04 MiB/s
6.4 GB/s
6,399.501 MB/s
0.00582 TiB/s
0.0064 TB/s
Bandwidth
Single 5.96 GiB/s

Expansions

[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/Modify Network Info]

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

Hardware Accelerators

[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
Networking
TCPYes
QoSYes

Block diagram

octeon cn38xx block diagram.png

Datasheet

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Facts about "CN3630-400 SCP - Cavium"
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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 +
l1$ size160 KiB (163,840 B, 0.156 MiB) +
l1d$ description64-way set associative +
l1d$ size32 KiB (32,768 B, 0.0313 MiB) +
l1i$ description64-way set associative +
l1i$ size128 KiB (131,072 B, 0.125 MiB) +
l2$ description8-way set associative +
l2$ size0.5 MiB (512 KiB, 524,288 B, 4.882812e-4 GiB) +
max memory bandwidth5.96 GiB/s (6,103.04 MiB/s, 6.4 GB/s, 6,399.501 MB/s, 0.00582 TiB/s, 0.0064 TB/s) +
max memory channels1 +
supported memory typeDDR2-800 +