Comparison Chart D.Module2.C6657 - Texas Instruments C66x Keystone DSPs

This chart compares the resources and interfaces available on the D.Module2.C6657 with other Texas Instruments Keystone DSP family members (single-core and multi-core C665x and C667x devices). Features not shown in this table are identical throughout the C66x Keystone family.

  D.Module2.C6657 TMS320C6654 TMS320C6655 TMS320C6670 TMS320C6671 TMS320C6672 TMS320C6674 TMS320C6678
cores 2 1 1 4 1 2 4 8
max. core clock 1250 MHz 850 MHz 1250 MHz 1200 MHz 1250 MHz 1500 MHz 1250 MHz 1250 MHz
peak MMACs 80000 27200 40000 153000 40000 96000 160000 320000
hardware accelerators VCP2, TCP3d - VCP2, TCP3d VCP2, TCP3d, TCP3e, FFT, PA PA PA PA PA
internal L2 RAM 3072K 1024K 2048K 6144 K 4608K 5120K 6144K 8192K
DDR3 Interface 32-bit DDR3-1333 32-bit DDR3-1066 32-bit DDR3-1333 64-bit DDR3-1600 64-bit DDR3-1600 64-bit DDR3-1600 64-bit DDR3-1600 64-bit DDR3-1600
PCIe 2 lanes 2 lanes 2 lanes 2 lanes 2 x 2 lanes 2 x 2 lanes 2 x 2 lanes 2 x 2 lanes
SRIO 2 lanes - 4 lanes 4 lanes 4 lanes 4 lanes 4 lanes 4 lanes
Gigabit Ethernet 1 1 1 2 + Switch 2 + Switch 2 + Switch 2 + Switch 2 + Switch
McBSP 2 2 2 - - - - -
TSIP - - -   2 2 2 2
AIF2 - - - 6 - - - -
EMIF 16-bit 16-bit 16-bit - 16-bit 16-bit 16-bit 16-bit
UPP 2 ports 2 ports 2 ports - - - - -

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