Overview
The TMS320DM643, produced by Texas Instruments, is a high-performance digital media processor part of the TMS320C64x™ DSP family. This device is based on the second-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™). It is designed to offer cost-effective solutions for high-performance digital signal processing (DSP) applications, particularly in digital media.
The DM643 device boasts a clock rate of up to 600 MHz, achieving performance of up to 4800 million instructions per second (MIPS). It combines the operational flexibility of high-speed controllers with the numerical capability of array processors, making it an excellent choice for demanding digital media tasks.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 2 ns, 1.67 ns |
| Clock Rate | 500 MHz, 600 MHz |
| Instructions per Cycle | Eight 32-Bit Instructions |
| MIPS | 4000, 4800 MIPS |
| 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, 2M-Bit (256K-Byte) L2 Unified Mapped RAM/Cache |
| External Memory Space | 1024M-Byte Total Addressable External Memory Space |
| Video Port Peripherals | Two configurable video port peripherals (VP1 and VP2) |
| Ethernet Media Access Controller (EMAC) | Supports 10Base-T and 100Base-TX, with hardware flow control and QOS support |
| Other Peripherals | I2C0 port, McBSP, McASP0 port, VCXO interpolated control (VIC) port |
Key Features
- High-Performance Digital Media Processor: Based on the VelociTI.2™ architecture, offering high performance for digital media applications.
- Advanced Functional Units: Six ALUs and two multipliers, supporting various arithmetic and multiply operations per clock cycle.
- Cache and Memory: Includes L1P and L1D caches, and a large L2 unified mapped RAM/cache.
- Video Port Peripherals: Two configurable video ports supporting multiple resolutions and video standards.
- Ethernet Support: EMAC with support for 10Base-T and 100Base-TX, including hardware flow control and QOS.
- Serial and Audio Interfaces: McASP0 port with extensive serial data capabilities and support for audio standards like S/PDIF and AES-3.
- Development Tools: Comprehensive set of development tools including a new C compiler, assembly optimizer, and Windows® debugger interface.
Applications
- Digital Media Processing: Ideal for applications such as video encoding and decoding, image processing, and audio processing.
- Video and Imaging Systems: Supports multiple video standards and resolutions, making it suitable for video capture and display systems.
- Networking and Communication: With its EMAC and MDIO modules, it is suitable for networked applications requiring high-speed data transmission.
- Audio Systems: Supports audio synchronization and various audio standards, making it suitable for audio processing and playback systems.
- Embedded Systems: Can be used in high-performance embedded systems requiring advanced DSP capabilities.
Q & A
- What is the clock rate of the TMS320DM643?
The TMS320DM643 has a clock rate of up to 600 MHz.
- How many instructions can the TMS320DM643 execute per cycle?
The TMS320DM643 can execute eight 32-bit instructions per cycle.
- What is the total addressable external memory space of the TMS320DM643?
The total addressable external memory space is 1024M-Byte.
- Does the TMS320DM643 support Ethernet?
Yes, it supports both 10Base-T and 100Base-TX Ethernet with hardware flow control and QOS.
- What type of video port peripherals does the TMS320DM643 have?
The TMS320DM643 has two configurable video port peripherals (VP1 and VP2) that support multiple resolutions and video standards.
- What is the purpose of the McASP0 port on the TMS320DM643?
The McASP0 port supports serial data transmission and reception, including audio standards like S/PDIF and AES-3.
- Does the TMS320DM643 support I2C communication?
Yes, it has an I2C0 port for communicating with peripheral devices and host processors.
- What development tools are available for the TMS320DM643?
A comprehensive set of development tools including a new C compiler, assembly optimizer, and Windows® debugger interface.
- What are some typical applications of the TMS320DM643?
Typical applications include digital media processing, video and imaging systems, networking and communication, audio systems, and high-performance embedded systems.
- What is the architecture of the TMS320DM643 based on?
The TMS320DM643 is based on the second-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™).
