Overview
The TMS320C6474FGUN is a high-performance multicore digital signal processor (DSP) developed by Texas Instruments. It is part of the TMS320C6000 DSP platform and utilizes the third-generation VelociTI very-long-instruction-word (VLIW) architecture. This device is designed for demanding applications requiring high processing power, such as video and telecom infrastructures, medical imaging, and other complex signal processing tasks.
The C6474 device features three TMS320C64x+ DSP cores, each operating at clock rates of up to 1.2 GHz, providing a total raw DSP processing power of 3.6 GHz. It is available in various temperature ranges, including commercial and extended temperature options, and is packaged in a 561-pin Ball Grid Array (BGA) with a 0.8-mm ball pitch.
Key Specifications
| Specification | Description |
|---|---|
| Processor Cores | 3 TMS320C64x+ DSP Cores |
| Clock Rate | Up to 1.2 GHz (1.2-GHz device), 1 GHz (1-GHz device), 850 MHz (850-MHz device) |
| Instruction Cycle Time | 0.83 ns (1.2-GHz device), 1 ns (1-GHz device), 1.18 ns (850-MHz device) |
| L1 Memory | 256 K-Bit (32 K-Byte) L1P Program Cache (Direct Mapped) |
| DDR2 Memory Controller | 16-/32-bit DDR2-667 Memory Controller |
| EDMA3 Controller | 64 Independent Channels |
| Ethernet MAC | 1000 Mbps Ethernet MAC (EMAC), IEEE 802.3 Compliant |
| Serial RapidIO | Two Serial RapidIO with link rates of 1.25 Gbps, 2.5 Gbps, or 3.125 Gbps |
| Antenna Interface | SerDes-based antenna interface, up to 3.072 Gbps per link, compliant with OBSAI RP3 and CPRI standards |
| GPIO | 16 General-Purpose I/O (GPIO) Pins |
| Package | 561-Pin Ball Grid Array (BGA) Packages (CUN, GUN, or ZUN Suffix), 0.8-mm Ball Pitch |
| Temperature Range | Commercial: 0°C to 100°C (1-GHz device), 0°C to 95°C (850-MHz and 1.2-GHz device); Extended: -40°C to 100°C (1-GHz device), -40°C to 95°C (1.2-GHz device) |
Key Features
- High-Performance Multicore DSP: The TMS320C6474 features three high-performance TMS320C64x+ DSP cores, each capable of operating at up to 1.2 GHz.
- Advanced VLIW Architecture: Based on the third-generation VelociTI VLIW architecture, providing high instruction-level parallelism.
- Memory and Cache: Includes 256 K-Bit (32 K-Byte) L1P Program Cache and 32 K-Byte L1D SRAM/Cache, along with a 16-/32-bit DDR2-667 Memory Controller.
- Enhanced DMA (EDMA3) Controller: Features a 64-channel EDMA3 controller for efficient data transfer.
- High-Speed Interfaces: Supports two Serial RapidIO interfaces with link rates up to 3.125 Gbps and a SerDes-based antenna interface up to 3.072 Gbps per link.
- Ethernet and Networking: Includes a 1000 Mbps Ethernet MAC (EMAC) and supports SGMII and IEEE 802.3 standards.
- General-Purpose Timers and GPIO: Features six 64-bit general-purpose timers (configurable as twelve 32-bit timers) and 16 general-purpose I/O (GPIO) pins.
- Power Management: Includes SmartReflex Class 0 - 0.9-V to 1.2-V adaptive core voltage and power-down control.
Applications
- Telecom Infrastructures: Ideal for base stations, radio network controllers, and other telecom equipment due to its high processing power and multiple high-speed interfaces.
- Video Processing: Suitable for video encoding, decoding, and processing applications such as video conferencing, surveillance, and broadcasting.
- Medical Imaging: Used in medical imaging devices for tasks like MRI, CT scans, and ultrasound processing.
- Aerospace and Defense: Applied in various military and aerospace applications requiring high-performance signal processing.
- Industrial Automation: Utilized in industrial control systems, robotics, and other automation applications.
Q & A
- What is the maximum clock rate of the TMS320C6474 DSP?
The maximum clock rate of the TMS320C6474 DSP is up to 1.2 GHz.
- How many DSP cores does the TMS320C6474 have?
The TMS320C6474 has three TMS320C64x+ DSP cores.
- What type of memory controller does the TMS320C6474 feature?
The TMS320C6474 features a 16-/32-bit DDR2-667 Memory Controller.
- What is the purpose of the EDMA3 controller in the TMS320C6474?
The EDMA3 controller is used for efficient data transfer and features 64 independent channels.
- Does the TMS320C6474 support Ethernet?
Yes, the TMS320C6474 includes a 1000 Mbps Ethernet MAC (EMAC) and supports SGMII and IEEE 802.3 standards.
- What are the temperature ranges for the TMS320C6474?
The device operates in commercial temperature ranges of 0°C to 100°C (1-GHz device) and 0°C to 95°C (850-MHz and 1.2-GHz device), and extended temperature ranges of -40°C to 100°C (1-GHz device) and -40°C to 95°C (1.2-GHz device).
- What is the packaging type of the TMS320C6474?
The TMS320C6474 is packaged in a 561-pin Ball Grid Array (BGA) with a 0.8-mm ball pitch.
- Does the TMS320C6474 support OBSAI and CPRI protocols?
Yes, the TMS320C6474 supports OBSAI RP3 and CPRI protocols through its SerDes-based antenna interface.
- What is the purpose of the SmartReflex technology in the TMS320C6474?
SmartReflex technology allows for adaptive core voltage management, ranging from 0.9-V to 1.2-V.
- Can the TMS320C6474 be used in medical imaging applications?
Yes, the TMS320C6474 is suitable for medical imaging applications due to its high processing power and advanced signal processing capabilities.
