Processors

C66x multicore DSP

High-performance, scalable single core and multicore DSPs

C66x

Featured applications

  • Avionics and defense
  • Communications systems
  • Machine vision
  • Embedded and cloud analytics
  • Grid infrastructure
  • High performance computing
  • Multimedia infrastructure
  • Medical imaging
  • Test and measurement
  • Software defined radio (SDR)
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C66x processors

 

C6678

C6674

C6657

C6655

C6654

C6652

MHz per core 1GHz - 1.25GHz 1GHz 1GHz - 1.25GHz 1GHz - 1.25GHz 750MHz - 850MHz 600MHz
Number of cores 8 4 2 1 1 1
Max GMACs 320 (@1.25GHz) 160 (@1.25GHz) 80 (@1.25GHz) 40 (@1.25GHz) 27.2 (@850Mhz) 19.2 (@600MHz)
Max GFLOPs 160 (@1.25GHz) 80 (@1.25GHz) 40 (@1.25GHz) 20 (@1.25GHz) 13.6 (@ 850MHz) 9.6 (@600MHz)
L1 KB per core 32D/32P 32D/32P 32D/32P 32D/32P 32D/32P 32D/32P
L2 Dedicated/core 512kB 512kB 1MB 1MB 1MB 1MB
L2 shared 4 MB 4 MB 1 MB 1 MB 0 MB 0 MB
DDR (with ECC) MHz 64b 1600 MHz 64b 1600 MHz 32b 1333 MHz 32b 1333 MHz 32b 1066 MHz 32b 1066 MHz
10/100/1000 EMAC 2xSGMII 2xSGMII 1xSGMII 1xSGMII 1xSGMII No
PCI Express Gen 2 x2 x2 x2 x2 x2 No
Serial RapidIO 2.1 x4 x4 x4 x4 No No
Network co-processor Yes Yes No No No No
Security co-processor Optional No No No No No
VCP and TCP No No 2xVCP2 1xTCP3d 2xVCP2 1xTCP3d No 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 -40°C to 100°C
Power consumption (typ.) 10W 6W 3W 2.5W 2W 1.5W
  Learn more about C6678 Learn more about C6674 Learn more about C6657 Learn more about C6655 Learn more about C6654 Learn more about C6652

TMS320C665x DSP

TMS320C667x DSP