TMS320C6455BCTZ2

Digital Signal Processor Dsp Overview

The TMS320C6455BCTZ2 is a fixed-point digital signal processor based on the C64x+ architecture, operating at clock rates of 720 MHz, 850 MHz, 1 GHz, or 1.2 GHz with corresponding instruction cycle times of 1.39 ns, 1.17 ns, 1 ns, and 0.83 ns. It delivers up to 9600 MIPS/MMACS (16-bit) using eight functional units. The device features a 697-pin BGA package, 2 MB L2 unified memory, 32 KB L1P and 32 KB L1D caches, and integrates peripherals including Serial RapidIO, EMAC, PCI, DDR2 controller, EDMA3, VCP2, and TCP2.

Digital Signal Processor Dsp Feature Summary

• C64x+ DSP core with 9600 MIPS performance at 1.2 GHz
• Integrated Serial RapidIO v1.2, EMAC, and PCI interfaces
• EDMA3 controller with 64 independent channels
• Hardware accelerators: Enhanced Viterbi Decoder (VCP2) and Turbo Decoder (TCP2)

Digital Signal Processor Dsp Applications

• Video and telecom infrastructure processing
• Wireless infrastructure baseband processing
• Medical imaging systems
• ATM network controllers via UTOPIA interface

Digital Signal Processor Dsp Procurement Notes

Verify the specific speed grade suffix (e.g., -720, -850, -1000, -1200) required for the target clock frequency. Confirm the package variant (CTZ, GTZ, or ZTZ) matches the board design constraints. Ensure the ordering suffix aligns with the desired temperature range and production status as defined in the official TI part numbering scheme.

Digital Signal Processor Dsp Selection Notes

Select the appropriate speed grade based on the required instruction cycle time and system timing margins. Choose between CTZ, GTZ, or ZTZ packages depending on thermal requirements and PCB layout capabilities. Verify that the external memory interface supports the necessary DDR2 SDRAM or asynchronous memory types for the application's data throughput needs.

Digital Signal Processor Dsp Part Context

This component belongs to the TMS320C6000 DSP platform, specifically the third-generation high-performance VelociTI VLIW architecture family. It maintains upward code compatibility with previous C6000 devices while offering enhanced instruction sets and integrated high-speed interconnects like Serial RapidIO for multi-DSP system scalability.

Digital Signal Processor Dsp Replacement Considerations

Direct pin-to-pin replacements within the same package type may include other speed grades of the TMS320C6455 series (e.g., TMS320C6455CTZ7, TMS320C6455GTZ8). Cross-family migration to newer C6000 devices requires software adaptation due to architectural differences.

Digital Signal Processor Dsp FAQ

What is the maximum number of multiply-accumulate operations per second?

At a 1.2 GHz clock rate, the device executes 9600 million 16-bit multiply-accumulate operations per second.

Does the device support both little and big endian modes?

Yes, the TMS320C6455 supports both Little Endian and Big Endian operation modes.

How many independent DMA channels are available?

The device includes an EDMA3 controller with 64 independent channels.