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 and cloud analytics
  • Grid infrastructure
  • High performance computing
  • Multimedia infrastructure
  • Medical imaging
  • Test and measurement
  • Software defined radio (SDR)

TMS320C665x DSP

TMS320C665x

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TMS320C667x DSP

TMS320C665x

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C66x Processors

  C6678 C6674 C6657 C6655 C6654 C6652
MHz per core 1GHz – 1.25GHz 1GHz – 1.25GHz 1GHz – 1.25GHz 1GHz – 1.25GHz 750MHz - 850MHz 600MHz
Number of cores 8 4 2 1 1 1
Max GMACs 160
(@1.25GHz)
320
(@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 Learn more about C6674 Learn more about C6678 Learn more about C6657 Learn more about C6655 Learn more about C6654 Learn more about C6652