Overview
The TMS320DM640AZNZA4, produced by Texas Instruments, is a high-performance Video/Imaging Fixed-Point Digital Signal Processor (DSP) based on the TMS320C64x™ DSP platform. This device is part of the second-generation advanced VelociTI™ very-long-instruction-word (VLIW) architecture, specifically the VelociTI.2™ extensions. It is designed to offer cost-effective solutions to high-performance DSP programming challenges, particularly in digital media applications.
The DM640 device boasts a clock rate of up to 400 MHz, achieving up to 3200 million instructions per second (MIPS) and up to 1600 million multiply-accumulates per second (MMACS) for 16-bit operations or up to 3200 MMACS for 8-bit operations. It features eight highly independent functional units, including six arithmetic logic units (ALUs) and two multipliers, which enhance its performance in video and imaging tasks.
Key Specifications
| Specification | Details |
|---|---|
| Instruction Cycle Time | 2.5 ns, 2 ns, 1.67 ns |
| Clock Rate | Up to 400 MHz |
| Instructions per Cycle | Eight 32-Bit Instructions |
| MIPS | Up to 3200 MIPS |
| Functional Units | Six ALUs (32-/40-Bit), Two Multipliers |
| Memory Interface | 32-Bit Glueless External Memory Interface (EMIFA) |
| Total Addressable External Memory | 1024 M-Byte |
| Cache Memory | L1 Cache Instruction Memory: 16 kB, L1 Cache Data Memory: 16 kB |
| Package | 548-Pin Ball Grid Array (BGA), 1.0-mm Ball Pitch |
| Voltage | 3.3-V I/Os, 1.2-V Internal |
| Peripheral Interfaces | 10/100 Mb/s Ethernet MAC (EMAC), MCASP, I2C Bus, McBSPs, HPI16, GPIO |
Key Features
- High-Performance DSP Core: Based on the VelociTI.2™ extensions to the VelociTI™ VLIW architecture, offering high performance for video and imaging applications.
- Functional Units: Eight highly independent functional units, including six ALUs and two multipliers, supporting various arithmetic operations per clock cycle.
- Memory and Interface: 32-bit glueless external memory interface (EMIFA) capable of interfacing to synchronous and asynchronous memories, with a total addressable external memory space of 1024 M-Bytes.
- Peripheral Set: Includes a 10/100 Mb/s Ethernet MAC (EMAC), multichannel audio serial port (McASP), inter-integrated circuit (I2C) bus, multichannel buffered serial ports (McBSPs), and a host-port interface (HPI16).
- Video Port: One configurable video port (VP0) providing a glueless interface to common video decoder and encoder devices, supporting multiple resolutions and video standards.
- Audio Capabilities: Supports various audio formats including S/PDIF, IEC60958-1, AES-3, and CP-430, with extensive error-checking and recovery features.
- Timers and GPIO: Three 32-bit general-purpose timers and eight general-purpose I/O (GPIO) pins with programmable interrupt/event generation modes.
- Clock and Voltage: Flexible PLL clock generator and support for 3.3-V I/Os with 1.2-V internal voltage.
Applications
The TMS320DM640AZNZA4 is well-suited for a variety of digital media and imaging applications, including:
- Video Processing: Video capture, display, and encoding/decoding tasks, supporting multiple resolutions and video standards like CCIR601 and ITU-R 601.
- Imaging Systems: High-performance imaging applications requiring advanced signal processing capabilities.
- Audio Processing: Multichannel audio processing, supporting various audio formats and standards.
- Networking and Communication: Embedded systems requiring 10/100 Mb/s Ethernet connectivity.
- Industrial and Consumer Electronics: Applications that demand high computational power and advanced signal processing, such as in industrial automation, medical devices, and consumer electronics.
Q & A
- What is the maximum clock rate of the TMS320DM640AZNZA4?
The maximum clock rate of the TMS320DM640AZNZA4 is up to 400 MHz.
- How many instructions can the TMS320DM640AZNZA4 execute per cycle?
The TMS320DM640AZNZA4 can execute eight 32-bit instructions per cycle.
- What is the total addressable external memory space of the TMS320DM640AZNZA4?
The total addressable external memory space is 1024 M-Bytes.
- Does the TMS320DM640AZNZA4 support Ethernet connectivity?
Yes, it includes a 10/100 Mb/s Ethernet MAC (EMAC) and is IEEE 802.3 compliant.
- How many video ports does the TMS320DM640AZNZA4 have?
The TMS320DM640AZNZA4 has one configurable video port (VP0).
- What audio formats does the TMS320DM640AZNZA4 support?
The TMS320DM640AZNZA4 supports S/PDIF, IEC60958-1, AES-3, and CP-430 audio formats.
- What is the package type and pin count of the TMS320DM640AZNZA4?
The package type is a 548-Pin Ball Grid Array (BGA) with a 1.0-mm ball pitch.
- Does the TMS320DM640AZNZA4 have general-purpose timers and GPIO pins?
Yes, it has three 32-bit general-purpose timers and eight general-purpose I/O (GPIO) pins.
- Is the TMS320DM640AZNZA4 compatible with the C64x™ DSP platform?
Yes, it is fully software-compatible with the C64x™ DSP platform.
- What development tools are available for the TMS320DM640AZNZA4?
The device has a complete set of development tools, including a new C compiler, an assembly optimizer, and a Windows™ debugger interface.
