Overview
The TMS320DM6467, also known as the DM6467, is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments. This chip leverages TI's DaVinci™ technology to meet the networked media encode and decode digital media processing needs of next-generation embedded devices. The DM6467 features a dual-core architecture, combining a high-performance TMS320C64x+ DSP core and an ARM926EJ-S core, providing the benefits of both DSP and Reduced Instruction Set Computer (RISC) technologies. This integration enables OEMs and ODMs to quickly bring to market devices with robust operating systems support, rich user interfaces, high processing performance, and long battery life.
Key Specifications
| Feature | Specification |
|---|---|
| C64x+ Clock Rate | 594 MHz, 729 MHz |
| ARM926EJ-S Clock Rate | 297 MHz, 364.5 MHz |
| L1P Program RAM/Cache | 32K-Byte (Direct Mapped) |
| L1D Data RAM/Cache | 32K-Byte (2-Way Set-Associative) |
| L2 Unified Mapped RAM/Cache | 128K-Byte (Flexible RAM/Cache Allocation) |
| C64x+ MIPS | Up to 5832 MIPS |
| DDR2 Memory Controller | 297 MHz, 310.5 MHz (16/32-bit bus width) |
| Asynchronous EMIF (EMIFA) | 8/16-bit bus width for NOR, NAND flash |
| UART/IrDA/CIR Modules | Three configurable modules (one with modem control signals) |
| SPI | One SPI with two chip-selects |
| I2C Bus | One Master/Slave I2C Bus interface |
| Multichannel Audio Serial Ports (McASPs) | Two McASPs (one with 4 serializers, one with 1 serializer for S/PDIF output) |
| Ethernet MAC | 10/100/1000 Mb/s Ethernet MAC with MDIO module |
| General-Purpose Timers | Two 64-bit timers (each configurable as two 32-bit timers) |
| Watchdog Timer | One 64-bit watchdog timer |
Key Features
- Dual-Core Architecture: Combines a TMS320C64x+ DSP core and an ARM926EJ-S core, offering the benefits of both DSP and RISC technologies.
- High-Performance Processing: Up to 5832 MIPS at 729 MHz for the C64x+ core and up to 364.5 MHz for the ARM926EJ-S core.
- Memory Architecture: Includes 32K-Byte L1P Program RAM/Cache, 32K-Byte L1D Data RAM/Cache, and 128K-Byte L2 Unified Mapped RAM/Cache.
- External Memory Interfaces: Supports DDR2 SDRAM, asynchronous EMIF (EMIFA) for NOR, NAND flash, and other peripherals.
- Peripheral Set: Includes configurable video port, Ethernet MAC, SPI, I2C Bus, multichannel audio serial ports (McASPs), and more.
- Communication Interfaces: Three UART/IrDA/CIR modules, USB 2.0 host interface, and PCI master/slave interface.
- Power and Voltage: 3.3-V and 1.8-V I/O, 1.2-/1.05-V internal core voltage.
Applications
- Video Encode/Decode/Transcode/Transrate: Ideal for video processing in various embedded devices.
- Digital Media: Supports networked media encode and decode, making it suitable for digital media applications.
- Video Imaging: Used in video imaging applications requiring high processing power.
- Video Infrastructure: Suitable for video infrastructure devices such as video conferencing systems.
- Video Conferencing: Supports the high-performance requirements of video conferencing systems.
Q & A
- What is the TMS320DM6467?
The TMS320DM6467 is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments, leveraging DaVinci™ technology for networked media processing.
- What are the key components of the TMS320DM6467?
The chip features a TMS320C64x+ DSP core and an ARM926EJ-S core, along with various peripherals and memory interfaces.
- What are the clock rates of the C64x+ and ARM926EJ-S cores?
The C64x+ core operates at 594 MHz or 729 MHz, while the ARM926EJ-S core operates at 297 MHz or 364.5 MHz.
- What type of memory architecture does the TMS320DM6467 have?
The chip includes 32K-Byte L1P Program RAM/Cache, 32K-Byte L1D Data RAM/Cache, and 128K-Byte L2 Unified Mapped RAM/Cache.
- What external memory interfaces are supported?
The TMS320DM6467 supports DDR2 SDRAM and asynchronous EMIF (EMIFA) for NOR, NAND flash, and other peripherals.
- What communication interfaces are available on the TMS320DM6467?
The chip includes three UART/IrDA/CIR modules, USB 2.0 host interface, SPI, I2C Bus, and PCI master/slave interface.
- What are the typical applications of the TMS320DM6467?
The TMS320DM6467 is used in video encode/decode/transcode/transrate, digital media, video imaging, video infrastructure, and video conferencing applications.
- What is the power and voltage specification of the TMS320DM6467?
The chip operates with 3.3-V and 1.8-V I/O, and 1.2-/1.05-V internal core voltage.
- Does the TMS320DM6467 support Ethernet?
Yes, it supports 10/100/1000 Mb/s Ethernet MAC with MDIO module.
- What is the role of the ARM926EJ-S core in the TMS320DM6467?
The ARM926EJ-S core is a 32-bit RISC processor that performs 32-bit or 16-bit instructions and processes 32-bit, 16-bit, or 8-bit data, using pipelining for continuous operation.
