Overview
The TMS320DM643, produced by Texas Instruments, is a high-performance, fixed-point digital signal processor (DSP) based on the second-generation VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™). This device is part of the TMS320C6000™ DSP platform and is particularly suited for digital media applications. With a clock rate of up to 600 MHz, the DM643 offers up to 4800 million instructions per second (MIPS), making it an excellent choice for demanding DSP tasks. The device features a powerful C64x™ DSP core, enhanced direct memory access (EDMA) controller, and a variety of peripherals, including video ports, Ethernet MAC, and multichannel buffered serial ports.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | TMS320C64x™ DSP Core |
| Clock Rate | 500 MHz, 600 MHz |
| Instruction Cycle Time | 2 ns (DM643-500), 1.67 ns (DM643-600) |
| MIPS Performance | Up to 4800 MIPS |
| On-Chip Memory | 16KB L1 Program Cache, 16KB L1 Data Cache, 256KB Unified Mapped RAM/Cache (L2) |
| External Memory | 1024M-Byte Total Addressable External Memory Space |
| Package Type | 548-Pin Ball Grid Array (BGA) |
| Process Technology | 0.13 µm |
| Voltage | Core: 1.2 V (DM643-500), 1.4 V (DM643-600); I/O: 3.3 V |
Key Features
- High-Performance DSP Core: The C64x™ DSP core features eight 32-bit instructions per cycle, with 64 general-purpose registers and eight highly independent functional units.
- Enhanced Direct Memory Access (EDMA): 64 independent channels for efficient data transfer.
- Video and Imaging Capabilities: Configurable video ports (VP1 and VP2) with capture/display buffers.
- Ethernet and Networking: 10/100 Mb/s Ethernet MAC (EMAC) with IEEE 802.3 compliance and Media Independent Interface (MII).
- Audio Interface: Integrated digital audio interface supporting S/PDIF, IEC60958-1, AES-3, and CP-430 formats.
- Serial Communication: Multichannel buffered serial port (McBSP) and multichannel audio serial port (McASP0).
- General-Purpose I/O and Timers: Sixteen general-purpose I/O (GPIO) pins and three 32-bit general-purpose timers.
- Flexible PLL Clock Generator: With options for clock frequency multipliers (x1, x6, x12).
- JTAG and Debugging: IEEE-1149.1 (JTAG) boundary-scan-compatible for debugging and testing.
Applications
The TMS320DM643 is designed for a wide range of high-performance digital media applications, including:
- Video Processing: Real-time video encoding, decoding, and processing.
- Imaging Systems: Medical imaging, surveillance systems, and other image processing applications.
- Audio Processing: Professional audio equipment, audio codecs, and digital audio workstations.
- Networking and Communications: High-speed data transmission and networking devices.
- Industrial Automation: High-performance control systems and industrial automation.
Q & A
- What is the maximum clock rate of the TMS320DM643?
The maximum clock rate of the TMS320DM643 is 600 MHz.
- How many instructions can the TMS320DM643 execute per cycle?
The TMS320DM643 can execute up to eight 32-bit instructions per cycle.
- What type of memory does the TMS320DM643 have?
The TMS320DM643 has 16KB L1 Program Cache, 16KB L1 Data Cache, and 256KB Unified Mapped RAM/Cache (L2).
- Does the TMS320DM643 support Ethernet?
Yes, the TMS320DM643 includes a 10/100 Mb/s Ethernet MAC (EMAC) with IEEE 802.3 compliance.
- What audio formats does the TMS320DM643 support?
The TMS320DM643 supports S/PDIF, IEC60958-1, AES-3, and CP-430 audio formats.
- How many GPIO pins does the TMS320DM643 have?
The TMS320DM643 has sixteen general-purpose I/O (GPIO) pins.
- Is the TMS320DM643 JTAG-compatible?
Yes, the TMS320DM643 is IEEE-1149.1 (JTAG) boundary-scan-compatible.
- What is the package type of the TMS320DM643?
The TMS320DM643 is available in a 548-Pin Ball Grid Array (BGA) package.
- What is the process technology used in the TMS320DM643?
The TMS320DM643 is manufactured using 0.13 µm process technology.
- What are the typical applications of the TMS320DM643?
The TMS320DM643 is used in video processing, imaging systems, audio processing, networking, and industrial automation.
