Overview
The TMS320DM640AZNZ4 is a high-performance video/imaging fixed-point digital signal processor (DSP) from Texas Instruments. It is part of the TMS320C64x™ DSP family, which is known for its advanced VelociTI.2™ very-long-instruction-word (VLIW) architecture. This DSP is designed to handle demanding digital media applications, offering a balance between the operational flexibility of high-speed controllers and the numerical capability of array processors.
The TMS320DM640 device operates at clock rates of up to 400 MHz, achieving performance of up to 3200 million instructions per second (MIPS). It is fully software-compatible with the C64x™ DSP platform, making it an excellent choice for developers looking to leverage existing code and tools.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 2.5-, 2-, 1.67-ns |
| Clock Rate | 400-, 500-, 600-MHz (up to 400 MHz for DM640) |
| Instructions per Cycle | Eight 32-Bit Instructions/Cycle |
| MIPS Performance | Up to 3200 MIPS at 400 MHz |
| Functional Units | Eight highly independent functional units: six ALUs (32-/40-Bit), two multipliers |
| Cache Memory | 128K-Bit (16K-Byte) L1P Program Cache, 128K-Bit (16K-Byte) L1D Data Cache, 1M-Bit (128K-Byte) L2 Unified RAM/Cache |
| External Memory | 1024M-Byte Total Addressable External Memory Space |
| Package | 548-Pin Ball Grid Array (BGA) Package (ZNZ Suffix), 1.0-mm Ball Pitch |
| Voltage | 3.3-V I/Os, 1.2-V Internal (-400, -500) |
| Process Technology | 0.13-µm/6-Level Cu Metal Process (CMOS) |
Key Features
- High-performance digital media processor with VelociTI.2™ extensions for enhanced video and imaging performance.
- Eight highly independent functional units, including six ALUs and two multipliers, supporting various arithmetic operations per clock cycle.
- Glueless interface to asynchronous and synchronous memories (SRAM, EPROM, SDRAM, SBSRAM, ZBT SRAM, and FIFO).
- Enhanced Direct-Memory-Access (EDMA) Controller with 64 independent channels.
- 10/100 Mb/s Ethernet MAC (EMAC) with IEEE 802.3 compliance and Media Independent Interface (MII).
- One configurable video port supporting multiple resolutions and video standards.
- Integrated digital audio interface transmitter supporting S/PDIF, IEC60958-1, AES-3, and CP-430 formats.
- Inter-Integrated Circuit (I2C) Bus module and two multichannel buffered serial ports (McBSPs).
- Three 32-bit general-purpose timers and eight general-purpose I/O (GPIO) pins.
- Flexible PLL clock generator and IEEE-1149.1 (JTAG†) boundary-scan compatibility.
Applications
The TMS320DM640AZNZ4 is well-suited for a variety of digital media and imaging applications, including:
- Video and image processing systems.
- Audio and video synchronization in multimedia devices.
- High-performance digital signal processing in industrial and medical imaging.
- Embedded systems requiring advanced DSP capabilities.
- Networking equipment with integrated Ethernet MAC.
Q & A
- What is the maximum clock rate of the TMS320DM640?
The TMS320DM640 operates at a maximum clock rate of 400 MHz.
- How many instructions can the TMS320DM640 execute per cycle?
The TMS320DM640 can execute eight 32-bit instructions per cycle.
- What is the MIPS performance of the TMS320DM640 at its maximum clock rate?
The TMS320DM640 achieves up to 3200 MIPS at 400 MHz.
- What type of memory interfaces does the TMS320DM640 support?
The TMS320DM640 supports glueless interfaces to asynchronous memories (SRAM and EPROM) and synchronous memories (SDRAM, SBSRAM, ZBT SRAM, and FIFO).
- Does the TMS320DM640 have integrated Ethernet capabilities?
Yes, the TMS320DM640 includes a 10/100 Mb/s Ethernet MAC (EMAC) with IEEE 802.3 compliance and Media Independent Interface (MII).
- What audio formats does the TMS320DM640 support?
The TMS320DM640 supports S/PDIF, IEC60958-1, AES-3, and CP-430 audio formats.
- How many video ports does the TMS320DM640 have?
The TMS320DM640 has one configurable video port.
- What is the package type and pin count of the TMS320DM640AZNZ4?
The TMS320DM640AZNZ4 comes in a 548-Pin Ball Grid Array (BGA) Package with a 1.0-mm ball pitch.
- Is the TMS320DM640 compatible with other C6000 DSPs?
Yes, the TMS320DM640 is fully software-compatible with the C64x™ DSP platform.
- What development tools are available for the TMS320DM640?
The TMS320DM640 has a complete set of development tools, including reference guides and software development kits.
