Overview
The TMS320DM642AGNZ7, produced by Texas Instruments, is a high-performance Video/Imaging Fixed-Point Digital Signal Processor (DSP) based on the second-generation advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™). This DSP is part of the TMS320C64x™ DSP generation, which is the highest-performance fixed-point DSP generation in the TMS320C6000™ DSP platform. It is designed to offer cost-effective solutions to high-performance DSP programming challenges, particularly in digital media applications. The DM642 device combines the operational flexibility of high-speed controllers with the numerical capability of array processors, making it an excellent choice for various digital media processing tasks.
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/Cycle |
| MIPS | 4000, 4800, 5760 MIPS |
| Functional Units | Eight highly independent functional units with VelociTI.2™ extensions: six ALUs (32-/40-Bit), two multipliers |
| Cache Architecture | Level 1 program cache (L1P): 128-Kbit direct mapped cache; Level 1 data cache (L1D): 128-Kbit 2-way set-associative cache; Level 2 memory/cache (L2): 2-Mbit shared between program and data space |
| Package | 548-Pin Ball Grid Array (BGA) with 0.8-mm or 1.0-mm ball pitch |
| Process Technology | 0.13-µm/6-Level Cu Metal Process (CMOS) |
| Voltage | 3.3-V I/O, 1.2-V or 1.4-V internal |
| Operating Temperature | 0°C to +90°C |
Key Features
- Fully software-compatible with C64x™ DSPs, ensuring ease of code migration and development.
- VelociTI.2™ extensions to the VelociTI™ architecture, enhancing performance in video and imaging applications.
- Eight highly independent functional units, including six ALUs and two multipliers, supporting various arithmetic operations per clock cycle.
- Three configurable video ports providing a glueless interface to common video decoder and encoder devices, supporting multiple resolutions and video standards.
- VCXO Interpolated Control Port (VIC) for audio/video synchronization.
- Host-Port Interface (HPI) [32-/16-Bit] and 32-Bit/66-MHz, 3.3-V Peripheral Component Interconnect (PCI) Master/Slave Interface.
- Multichannel Audio Serial Port (McASP) and two Multichannel Buffered Serial Ports (McBSP).
- Three 32-Bit General-Purpose Timers and sixteen General-Purpose I/O (GPIO) Pins.
- Flexible PLL Clock Generator and IEEE-1149.1 (JTAG) Boundary-Scan-Compatible.
- 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 management.
Applications
The TMS320DM642AGNZ7 is well-suited for a variety of digital media and imaging applications, including:
- Video encoding and decoding
- Image processing and analysis
- Audio processing and synchronization
- High-definition video systems
- Medical imaging devices
- Industrial vision systems
- Consumer electronics such as digital TVs and set-top boxes
Q & A
- What is the TMS320DM642AGNZ7 based on?
The TMS320DM642AGNZ7 is based on the second-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™).
- What are the clock rates available for the TMS320DM642AGNZ7?
The clock rates available are 500 MHz, 600 MHz, and 720 MHz.
- How many instructions can the TMS320DM642AGNZ7 execute per cycle?
The TMS320DM642AGNZ7 can execute eight 32-bit instructions per cycle.
- What is the MIPS performance of the TMS320DM642AGNZ7?
The MIPS performance is up to 5760 million instructions per second (MIPS) at a clock rate of 720 MHz.
- What type of cache architecture does the TMS320DM642AGNZ7 use?
The TMS320DM642AGNZ7 uses a two-level cache-based architecture with Level 1 program and data caches and a Level 2 memory/cache.
- What are the key peripherals of the TMS320DM642AGNZ7?
The key peripherals include three configurable video ports, a 10/100 Mb/s Ethernet MAC (EMAC), a VCXO Interpolated Control Port (VIC), Multichannel Audio Serial Port (McASP), and two Multichannel Buffered Serial Ports (McBSP).
- What is the purpose of the VCXO Interpolated Control Port (VIC)?
The VIC port provides digital-to-analog conversion for audio/video synchronization.
- Does the TMS320DM642AGNZ7 support Ethernet communication?
Yes, it supports 10/100 Mb/s Ethernet with hardware flow control and quality of service (QOS) support.
- What is the operating temperature range of the TMS320DM642AGNZ7?
The operating temperature range is 0°C to +90°C.
- What package options are available for the TMS320DM642AGNZ7?
The device is available in a 548-Pin Ball Grid Array (BGA) package with 0.8-mm or 1.0-mm ball pitch.
