TMS320C6678XCYP

Digital Signal Processor Dsp Overview

The TMS320C6678XCYP is a multicore fixed and floating-point digital signal processor based on the KeyStone architecture. It integrates eight C66x DSP CorePacs, each capable of operating at frequencies up to 1.4 GHz. The device provides 44.8 GMACs per core for fixed-point operations and 22.4 GFLOPs per core for floating-point calculations. Memory resources include 32 KB L1P cache, 32 KB L1D cache, and 512 KB local L2 memory per core, alongside 4 MB of multicore shared MSM SRAM. High-speed interfaces include four lanes of Serial RapidIO 2.1, PCIe Gen2, HyperLink, and a Gigabit Ethernet switch subsystem.

Digital Signal Processor Dsp Feature Summary

• Eight C66x DSP cores with peak performance of 44.8 GMACs/core (fixed) and 22.4 GFLOPs/core (floating) at 1.4 GHz
• KeyStone architecture featuring Multicore Navigator, TeraNet switch fabric, and Multicore Shared Memory Controller
• Integrated Network Coprocessor with Packet Accelerator and Security Accelerator supporting IPsec and SSL/TLS
• Extensive I/O connectivity including SRIO 2.1, PCIe Gen2, HyperLink, DDR3-1600 EMIF, and Gigabit Ethernet

Digital Signal Processor Dsp Applications

• Mission-Critical Systems
• High-Performance Computing Systems
• Communications Infrastructure
• Medical Imaging
• Industrial Automation

Digital Signal Processor Dsp Procurement Notes

Verify the XCYP suffix against the specific datasheet revision to confirm the exact clock frequency rating and temperature range. Ensure compatibility with existing KeyStone-based designs if migrating from previous generations. Check for updated errata regarding power sequencing or PLL initialization sequences in the latest documentation.

Digital Signal Processor Dsp Selection Notes

Select this component for applications requiring high-throughput parallel processing and low-latency inter-core communication. The 1.4 GHz variant offers maximum computational density. Consider the integrated network coprocessor for offloading packet processing tasks. Ensure the system design supports the required thermal dissipation for the FCBGA-841 package under full load conditions.

Digital Signal Processor Dsp Part Context

This device belongs to the Texas Instruments TMS320C6000 family, specifically the C66x series. It represents an evolution in the C6000 platform by integrating floating-point capabilities into the VLIW architecture. The KeyStone architecture distinguishes it from earlier single-core or dual-core DSPs by providing non-blocking access to all internal resources via the TeraNet switch fabric.

Digital Signal Processor Dsp Replacement Considerations

The TMS320C6678 is backward code-compatible with previous C6000 fixed and floating-point DSPs. Developers migrating from older architectures should verify software portability. No direct pin-to-pin replacements are listed; alternative selection requires evaluating equivalent multicore DSPs with similar interface requirements.