C66x

C66x
  • Up to 1.4GHz of fixed and floating point performance per DSP core
  • Single core to eight core scalability
  • Keystone architecture for enhanced multicore performance
  • Large embedded memory and high bandwidth DDR3/DDR3L interface
  • Network Coprocessor (NetCP) option including security and packet acceleration
  • High Speed IO including PCIe, Serial RapidIO, Gigabit Ethernet, Hyperlink

Featured Applications

Development Tools
  • Avionics and Defense
  • Communications Systems
  • Machine Vision
  • Embedded & Cloud Analytics
  • High Performance Computing
  • Multimedia Infrastructure
  • Medical Imaging
  • Test & Measurement
  • Surveillance and Security
  • Software Defined Radio (SDR)

TMS320C665x

TMS320C665x

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TMS320C667x

TMS320C665x

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C66x Processors

  C6674 C6678 C6657 C6655 C6654
MHz per Core 1GHz – 1.25GHz 1GHz – 1.25GHz 1GHz – 1.25GHz 1GHz – 1.25GHz 1GHz – 1.25GHz
Number of Cores 4 8 2 1 1
Max GMACs 160
(@1.25GHz)
320
(@1.25GHz)
80
(@1.25GHz)
40
(@1.25GHz)
27.2
@850Mhz
Max GFLOPs 80 @ 1.25GHz 160 @ 1.25GHz 40 @ 1.25GHz 20 @ 1.25GHz 13.6 @ 850MHz
L1 KB per core 32D/32P 32D/32P 32D/32P 32D/32P 32D/32P
L2 Dedicated/Core 512kB 512kB 1MB 1MB 1MB
L2 Shared 4 MB 4 MB 1 MB 1 MB 0 MB
DDR (with ECC)
MHz
64b 1600 MHz 64b 1600 MHz 32b 1333 MHz 32b 1333 MHz 32b 1333 MHz
10/100/1000 EMAC 2xSGMII 2xSGMII 1xSGMII 1xSGMII 1xSGMII
PCI Express Gen 2 x2 x2 x2 x2 x2
Serial RapidIO 2.1 x4 x4 x4 x4 No
Network
Co-processor
Yes Yes No No No
Security
Co-processor
No Optional No No No
VCP & TCP No No 2xVCP2
1xTCP3d
2xVCP2
1xTCP3d
No
Extended Case Temp -40°C to
100°C
-40°C to
100°C
-40°C to
100°C
-40°C to
100°C
-40°C to
100°C
Power Consumption (typ.) 8W 10W 3.5W 2.5W 2W
Learn More Learn more about C6674 Learn more about C6678 Learn more about C6657 Learn more about C6655 Learn more about C6654