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
| Specification | Details |
|---|---|
| Clock Rate (C64x+) | 594 MHz, 729 MHz |
| Clock Rate (ARM926EJ-S) | 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) |
| MIPS Performance | 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 slower memories/peripherals |
| 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 (McASP) | Two McASPs, one with four serializers and one with a single transmit serializer |
| 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 |
| GPIO | Up to 33 pins of general-purpose input/output with programmable interrupt/event generation modes |
| Operating Temperature | -40°C to 105°C |
| Voltage - Core | 1.20V |
| Voltage - I/O | 1.8V, 3.3V |
| Package/Case | 529-BFBGA, FCBGA |
Key Features
- Dual-Core Architecture: Combines a TMS320C64x+ DSP core and an ARM926EJ-S core, leveraging both DSP and RISC technologies.
- High-Performance DSP Core: The C64x+ core offers up to 5832 MIPS at 729 MHz, with eight highly independent functional units, including six ALUs and two multipliers.
- ARM926EJ-S Core: A 32-bit RISC processor core with pipelining, supporting 32-bit, 16-bit, and 8-bit instructions and data.
- Memory Architecture: Includes 32K-Byte L1P Program RAM/Cache, 32K-Byte L1D Data RAM/Cache, and 128K-Byte L2 Unified Mapped RAM/Cache.
- Peripheral Set: Features configurable video port, 10/100/1000 Mb/s Ethernet MAC, SPI, I2C Bus, McASPs, and more.
- External Memory Interfaces: Supports DDR2 SDRAM and asynchronous EMIF (EMIFA) for various memory types.
- USB and PCI Interfaces: Includes USB 2.0 host and 33-MHz PCI master/slave interface.
- Power Management: SmartReflex™ power management (for -594 only) and support for 1.2V core and 1.8V/3.3V I/O voltages.
Applications
- Video Encode/Decode/Transcode/Transrate: Suitable for high-performance video processing tasks.
- Digital Media: Ideal for networked media encode and decode, digital media processing, and rich user interfaces.
- Video Imaging: Used in video imaging applications requiring high processing performance.
- Video Infrastructure: Supports video infrastructure needs, including video conferencing and streaming.
- Networked Media: Enables efficient networked media encode and decode operations.
Q & A
- What is the TMS320DM6467?
The TMS320DM6467 is a Digital Media System-on-Chip (DMSoC) developed by Texas Instruments, featuring a dual-core architecture with a TMS320C64x+ DSP core and an ARM926EJ-S core.
- 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 is the memory architecture of the DM6467?
The DM6467 includes 32K-Byte L1P Program RAM/Cache, 32K-Byte L1D Data RAM/Cache, and 128K-Byte L2 Unified Mapped RAM/Cache.
- What peripheral interfaces does the DM6467 support?
The DM6467 supports various interfaces including SPI, I2C Bus, McASPs, Ethernet MAC, USB 2.0, and PCI.
- What are the key features of the C64x+ DSP core?
The C64x+ core features eight highly independent functional units, six ALUs, two multipliers, and supports up to 5832 MIPS at 729 MHz.
- What are the typical applications of the TMS320DM6467?
The DM6467 is used in video encode/decode, digital media processing, video imaging, video infrastructure, and networked media applications.
- What is the operating temperature range of the DM6467?
The operating temperature range is -40°C to 105°C.
- What are the voltage requirements for the DM6467?
The core voltage is 1.20V, and the I/O voltages are 1.8V and 3.3V.
- What package types are available for the DM6467?
The DM6467 is available in 529-BFBGA and FCBGA packages.
- Does the DM6467 support power management features?
Yes, it supports SmartReflex™ power management for the -594 version.
