TMS320DM642AZDK7HK

Digital Signal Processor Dsp Overview

The TMS320DM642AZDK7HK is a video/imaging fixed-point digital signal processor based on the C64x+ DSP core. It operates at clock rates of 500, 600, or 720 MHz, delivering up to 5760 MIPS. The architecture features eight independent functional units with VelociTI.2 extensions for quad 8-bit and dual 16-bit parallel processing. On-chip memory includes 16 KB L1P cache, 16 KB L1D cache, and 256 KB configurable L2 RAM/cache. Key peripherals include three configurable video ports (VP0–VP2), a 10/100 Mb/s Ethernet MAC, McASP0, I2C, McBSPs, PCI, and an EMIF supporting synchronous/asynchronous memories. It utilizes a 548-pin BGA package.

Digital Signal Processor Dsp Feature Summary

• C64x+ DSP Core: 720 MHz max clock rate, 5760 MIPS performance, VelociTI.2 SIMD extensions
• Memory Architecture: 16KB L1P, 16KB L1D, 256KB L2 unified mapped RAM/cache
• Video Interface: Three configurable video ports (VP0, VP1, VP2) supporting BT.656/BT.1120 standards
• Connectivity: Integrated 10/100 Ethernet MAC (EMAC), PCI master/slave, McASP0, I2C, McBSP

Digital Signal Processor Dsp Applications

• Digital video surveillance systems
• Video conferencing endpoints
• Medical imaging processors
• Set-top boxes and media gateways

Digital Signal Processor Dsp Procurement Notes

Verify the specific speed grade suffix (-500, -600, or -720) required for the application timing constraints. Confirm the package variant matches the design footprint; ZDK indicates a 23x23 mm 548-pin BGA with 0.8-mm pitch. Ensure compatibility with existing board power supplies, as the device requires 1.2V or 1.4V core voltage depending on the speed grade. Check for end-of-life status or alternative recommendations from Texas Instruments.

Digital Signal Processor Dsp Selection Notes

Select the appropriate speed grade based on algorithm complexity and real-time processing requirements. The -500 grade uses 1.2V core voltage, while -600/-720 grades use 1.4V. Ensure sufficient external memory bandwidth if utilizing the EMIF for SDRAM interfaces. Verify that the chosen peripheral configuration does not conflict with pin multiplexing options, particularly between Video Ports, McBSP, and PCI interfaces.

Digital Signal Processor Dsp Part Context

The TMS320DM642 belongs to the C6000 DSP platform, specifically designed for high-performance digital media applications. It extends the C64x architecture with specialized video and imaging instructions. The device integrates hardware accelerators for common multimedia tasks, reducing software overhead. It serves as a bridge between general-purpose controllers and array processors, offering flexibility for complex signal processing algorithms in embedded systems.

Digital Signal Processor Dsp Replacement Considerations

Check Texas Instruments documentation for code-compatible successors within the C6000 family, such as the DM6446 or DM6467, which offer enhanced peripherals and higher performance. Verify pin-to-pin compatibility if replacing on existing hardware. Review updated datasheets for changes in power consumption, thermal characteristics, and supported video standards.