Overview
The TMS320DM642AZNZ5, produced by Texas Instruments, is a high-performance fixed-point digital signal processor (DSP) designed for digital media applications. It is part of the TMS320C64x™ DSP generation within the TMS320C6000™ DSP platform. This device is based on the second-generation VelociTI™ very-long-instruction-word (VLIW) architecture, specifically the VelociTI.2™ extensions, which enhance performance in video and imaging tasks. With a clock rate of up to 720 MHz, the DM642 offers up to 5760 million instructions per second (MIPS), making it an excellent choice for demanding digital media processing needs.
Key Specifications
| Parameter | Specification |
|---|---|
| Instruction Cycle Time | 2 ns, 1.67 ns, 1.39 ns |
| Clock Rate | 500 MHz, 600 MHz, 720 MHz |
| Instructions per Cycle | Eight 32-bit instructions |
| MIPS | 4000, 4800, 5760 |
| Functional Units | Eight highly independent functional units (six ALUs, two multipliers) |
| Cache Memory | 128K-bit L1P program cache, 128K-bit L1D data cache, 2M-bit L2 unified RAM/cache |
| External Memory Interface | 64-bit glueless external memory interface (EMIFA), supports up to 1024M-byte total addressable external memory space |
| Package | FCBGA (ZNZ) with 548 pins |
| Dimensions | Length: 27 mm, Height: 2.8 mm, Thickness: 2.2 mm |
Key Features
- High-performance digital media processor with VelociTI.2™ extensions for enhanced video and imaging processing.
- Eight highly independent functional units, including six ALUs and two multipliers, supporting various arithmetic operations per clock cycle.
- Support for multiple video standards and resolutions (e.g., CCIR601, ITU-BT.656, BT.1120, SMPTE 125M, 260M, 274M, and 296M).
- Three configurable video port peripherals (VP0, VP1, VP2) for video capture and display modes.
- 10/100 Mb/s Ethernet MAC (EMAC) with hardware flow control and quality of service (QOS) support.
- Management data input/output (MDIO) module for PHY device enumeration and link state monitoring.
- McASP0 port with eight serial data pins supporting time-division multiplexing and various audio formats.
- VXCO interpolated control port (VIC) for digital-to-analog conversion.
- I2C Bus module and multichannel buffered serial ports (McBSPs) for peripheral communication.
- General-purpose timers, host-port interface (HPI16/HPI32), and PCI interface.
Applications
The TMS320DM642AZNZ5 is designed for a wide range of digital media applications, including:
- Video and imaging processing: Supports multiple video standards and resolutions, making it suitable for video capture, display, and processing tasks.
- Audio processing: The McASP0 port supports various audio formats and time-division multiplexing, ideal for audio synchronization and processing.
- Networking: The 10/100 Mb/s Ethernet MAC (EMAC) enables efficient network communication.
- Embedded systems: The device's diverse set of peripherals and high-performance capabilities make it a robust choice for complex embedded systems.
Q & A
- What is the TMS320DM642AZNZ5?
The TMS320DM642AZNZ5 is a high-performance fixed-point digital signal processor (DSP) from Texas Instruments, designed for digital media applications.
- What is the clock rate of the TMS320DM642?
The clock rate of the TMS320DM642 can be up to 720 MHz.
- How many instructions can the TMS320DM642 execute per cycle?
The TMS320DM642 can execute eight 32-bit instructions per cycle.
- What type of cache memory does the TMS320DM642 have?
The TMS320DM642 has a 128K-bit L1P program cache, a 128K-bit L1D data cache, and a 2M-bit L2 unified RAM/cache.
- What video standards does the TMS320DM642 support?
The TMS320DM642 supports multiple video standards, including CCIR601, ITU-BT.656, BT.1120, SMPTE 125M, 260M, 274M, and 296M.
- Does the TMS320DM642 have Ethernet capabilities?
Yes, the TMS320DM642 includes a 10/100 Mb/s Ethernet MAC (EMAC) with hardware flow control and quality of service (QOS) support.
- What is the purpose of the McASP0 port on the TMS320DM642?
The McASP0 port supports time-division multiplexing and various audio formats, making it suitable for audio processing and synchronization tasks.
- How many pins does the TMS320DM642AZNZ5 have?
The TMS320DM642AZNZ5 has 548 pins in an FCBGA (ZNZ) package.
- What is the weight and dimensions of the TMS320DM642AZNZ5?
The weight is approximately 3.599 grams, with dimensions of 27 mm in length, 2.8 mm in height, and 2.2 mm in thickness.
- Is the TMS320DM642 software-compatible with other C64x™ DSPs?
Yes, the TMS320DM642 is fully software-compatible with other C64x™ DSPs.
