Overview
The TMS320DM641, produced by Texas Instruments, is a high-performance digital media processor within the TMS320C6000™ DSP platform. This device is based on the second-generation advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™), making it an excellent choice for digital media applications. The DM641 offers cost-effective solutions to high-performance DSP programming challenges, with a performance of up to 4800 million instructions per second (MIPS) at a clock rate of 600 MHz.
Key Specifications
| Parameter | Specification |
|---|---|
| Instruction Cycle Time | 2.5-, 2-, 1.67-ns |
| Clock Rate | 400-, 500-, 600-MHz |
| Instructions/Cycle | Eight 32-Bit Instructions/Cycle |
| MIPS | 3200, 4000, 4800 MIPS |
| Functional Units | Eight Highly Independent Functional Units with VelociTI.2™ Extensions |
| ALUs | Six ALUs (32-/40-Bit), each supports single 32-bit, dual 16-bit, or quad 8-bit arithmetic per clock cycle |
| Multipliers | Two multipliers support four 16 x 16-bit multiplies (32-bit results) or eight 8 x 8-bit multiplies (16-bit results) per clock cycle |
| Cache Memory | 128K-Bit (16K-Byte) L1P Program Cache, 128K-Bit (16K-Byte) L1D Data Cache, 1M-Bit (128K-Byte) L2 Unified Mapped RAM/Cache |
| External Memory Space | 1024M-Byte Total Addressable External Memory Space |
| Peripheral Interfaces | 10/100 Mb/s Ethernet MAC (EMAC), Management Data Input/Output (MDIO), Two Configurable Video Ports, Multichannel Audio Serial Port (McASP), I2C Bus module |
Key Features
- High-Performance Digital Media Processor with VelociTI.2™ extensions to the VelociTI™ VLIW architecture
- Fully software-compatible with C64x™ DSPs
- Eight highly independent functional units, including six ALUs and two multipliers
- Support for multiple video standards and resolutions, and audio/video synchronization
- Glueless interface to asynchronous and synchronous memories
- Integrated digital audio interface supporting S/PDIF, IEC60958-1, AES-3, CP-430 formats
- Enhanced Direct-Memory-Access (EDMA) controller with 64 independent channels
- IEEE 802.3 compliant Ethernet MAC with Media Independent Interface (MII)
Applications
- IP-based video recorders
- Set-top boxes
- Security surveillance systems
- Network cameras
- Digital video recorders
- Video-over-IP applications
Q & A
- What is the TMS320DM641?
The TMS320DM641 is a high-performance digital media processor from Texas Instruments, part of the TMS320C6000™ DSP platform.
- What is the clock rate of the TMS320DM641?
The clock rate of the TMS320DM641 can be 400-, 500-, or 600-MHz.
- How many instructions can the TMS320DM641 execute per cycle?
The TMS320DM641 can execute eight 32-bit instructions per cycle.
- What is the MIPS performance of the TMS320DM641?
The TMS320DM641 can achieve up to 4800 MIPS at a clock rate of 600 MHz.
- What type of architecture does the TMS320DM641 use?
The TMS320DM641 uses the second-generation advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™).
- What are the key functional units of the TMS320DM641?
The TMS320DM641 has eight highly independent functional units, including six ALUs and two multipliers.
- Does the TMS320DM641 support multiple video standards?
Yes, the TMS320DM641 supports multiple video standards and resolutions, and also supports audio/video synchronization.
- What kind of memory interfaces does the TMS320DM641 have?
The TMS320DM641 has glueless interfaces to asynchronous and synchronous memories, including SRAM, EPROM, SDRAM, SBSRAM, ZBT SRAM, and FIFO.
- What are some common applications of the TMS320DM641?
Common applications include IP-based video recorders, set-top boxes, security surveillance systems, network cameras, and digital video recorders.
- Is the TMS320DM641 fully software-programmable?
Yes, the TMS320DM641 is fully software-programmable and supports code compatibility with other C64x™ DSPs.
