Overview
The TMS320DM640GNZ400 is a high-performance digital media processor from Texas Instruments, part of the TMS320C64x™ DSP family. This device is based on the second-generation VelociTI.2™ very-long-instruction-word (VLIW) architecture, making it an excellent choice for digital media applications such as video processing, imaging, and multimedia systems. The TMS320DM640GNZ400 offers high performance with low system cost options, making it suitable for a variety of applications including IP-based video recorders, set-top boxes, security surveillance, and network cameras.
Key Specifications
| Parameter | Specification |
|---|---|
| Instruction Cycle Time | 2.5-, 2-, 1.67-ns |
| Clock Rate | 400 MHz |
| Instructions per Cycle | Eight 32-Bit Instructions/Cycle |
| MIPS (Million Instructions Per Second) | 3200 MIPS |
| DSP Core | TMS320C64x™ with VelociTI.2™ Extensions |
| Functional Units | Eight Highly Independent Functional Units:
|
| Memory | 16K/16K/128K (L1P/L1D/L2 Cache) |
| External Memory Space | 1024M-Byte Total Addressable External Memory Space |
| EDMA Controller | 64 Independent Channels |
| Ethernet MAC | 10/100 Mb/s, IEEE 802.3 Compliant, MII Interface |
| Video Ports | One Configurable Video Port |
| Audio Serial Port | Multichannel Audio Serial Port (McASP) |
| Host-Port Interface | No HPI (Host-Port Interface) on DM640 |
| Package | 548 BGA, 27 mm |
| Power Consumption | 1.15 W (typical) |
| Voltage | 3.3 V |
Key Features
- High-Performance DSP Core: Based on the TMS320C64x™ DSP core with VelociTI.2™ extensions, offering up to 3200 MIPS at 400 MHz.
- Advanced Instruction Set: Supports eight highly independent functional units, including six ALUs and two multipliers, enabling complex arithmetic operations per clock cycle.
- Memory and Interface: Features a load-store architecture with non-aligned support, glueless interface to various memory types (SRAM, EPROM, SDRAM, etc.), and a 32-bit external memory interface (EMIFA).
- Networking and Connectivity: Includes a 10/100 Mb/s Ethernet MAC (EMAC) with MII interface and management data input/output (MDIO) module.
- Video and Audio Capabilities: One configurable video port, multichannel audio serial port (McASP), and support for multiple video standards and resolutions.
- Development Tools and Support: Comprehensive development tools, including a new C compiler, assembly optimizer, and Windows™ debugger interface, along with extensive third-party network support.
Applications
- IP-Based Video Recorders: Suitable for recording and streaming video content over IP networks.
- Set-Top Boxes: Ideal for digital TV and video-on-demand applications.
- Security Surveillance: Used in security cameras and surveillance systems for real-time video processing.
- Network Cameras: Enhances the capabilities of network cameras with advanced video and imaging processing.
- Digital Video Recorders: Supports high-quality video recording and playback in various resolutions and standards.
Q & A
- What is the TMS320DM640GNZ400 based on?
The TMS320DM640GNZ400 is based on the second-generation VelociTI.2™ very-long-instruction-word (VLIW) architecture of the TMS320C64x™ DSP core.
- What is the clock rate of the TMS320DM640GNZ400?
The clock rate of the TMS320DM640GNZ400 is 400 MHz.
- How many instructions can the TMS320DM640GNZ400 execute per cycle?
The TMS320DM640GNZ400 can execute eight 32-bit instructions per cycle.
- What is the MIPS rating of the TMS320DM640GNZ400?
The TMS320DM640GNZ400 has a MIPS rating of 3200.
- Does the TMS320DM640GNZ400 support Ethernet?
Yes, the TMS320DM640GNZ400 includes a 10/100 Mb/s Ethernet MAC (EMAC) with MII interface.
- How many video ports does the TMS320DM640GNZ400 have?
The TMS320DM640GNZ400 has one configurable video port.
- What type of audio interface does the TMS320DM640GNZ400 support?
The TMS320DM640GNZ400 supports a multichannel audio serial port (McASP).
- What is the total addressable external memory space of the TMS320DM640GNZ400?
The total addressable external memory space is 1024M bytes.
- Does the TMS320DM640GNZ400 have a host-port interface?
No, the TMS320DM640GNZ400 does not have a host-port interface (HPI).
- What is the typical power consumption of the TMS320DM640GNZ400?
The typical power consumption is 1.15 W.
