Overview
The TMS320C6748EZCED4 is a fixed- and floating-point digital signal processor (DSP) from Texas Instruments, based on the C674x DSP core. This device is designed for low-power applications and offers significantly lower power consumption compared to other members of the TMS320C6000™ platform. It is ideal for original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to develop devices with robust operating systems, rich user interfaces, and high processor performance. The DSP features a fully integrated, mixed processor solution with a 2-level cache-based architecture, enhancing its performance and flexibility.
Key Specifications
| Attribute | Value |
|---|---|
| Frequency | 375- and 456-MHz |
| Instruction Set | Superset of the C67x+ and C64x+ ISAs |
| MIPS and MFLOPS | Up to 3648 MIPS and 2746 MFLOPS |
| Cache Memory | 32KB L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, 256KB L2 Unified Mapped RAM/Cache |
| DMA Channels | 64 Independent DMA Channels, 16 Quick DMA Channels |
| General-Purpose Registers | 64 (32-Bit) |
| ALU Functional Units | Six (32- and 40-Bit) |
| Floating-Point Support | IEEE Single Precision (32-Bit) and Double Precision (64-Bit) |
| Supply Voltage | 1.30V (Core), 1.8V and 3.3V (I/O) |
| Operating Temperature | -40°C to 90°C |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) |
| Number of Pins | 361 |
| Interfaces | EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, SPI, UART, USB |
Key Features
- C674x DSP Core: 375- and 456-MHz fixed- and floating-point VLIW DSP with up to 3648 MIPS and 2746 MFLOPS.
- Cache Architecture: 2-level cache with 32KB L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, and 256KB L2 Unified Mapped RAM/Cache.
- Enhanced Direct Memory Access Controller 3 (EDMA3): 64 independent DMA channels, 16 quick DMA channels, and programmable transfer burst size.
- Floating-Point Support: IEEE Single Precision (32-Bit) and Double Precision (64-Bit) floating-point operations, including reciprocal approximation and square-root reciprocal approximation.
- General-Purpose Timers and PWMs: Three 64-bit general-purpose timers, two enhanced high-resolution pulse width modulators (eHRPWMs), and three 32-bit enhanced capture (eCAP) modules.
- Interfaces: EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, SPI, UART, USB, and external memory interfaces (EMIFA, NOR, NAND, SDRAM, DDR2/Mobile DDR).
- Low Power Mode: Supports low power mode for energy-efficient operation.
Applications
- Industrial Automation: Control systems, motor control, and industrial networking due to its robust processing capabilities and various interfaces.
- Medical Devices: Medical imaging, patient monitoring, and diagnostic equipment where high-performance signal processing is required.
- Aerospace and Defense: Radar systems, communication systems, and other defense applications that demand high computational power and low power consumption.
- Consumer Electronics: High-definition audio and video processing, gaming consoles, and other consumer devices needing advanced signal processing.
- Automotive Systems: Advanced driver-assistance systems (ADAS), infotainment systems, and automotive control units.
Q & A
- What is the core frequency of the TMS320C6748EZCED4?
The core frequency of the TMS320C6748EZCED4 is 375- and 456-MHz.
- What is the cache architecture of the TMS320C6748EZCED4?
The device features a 2-level cache architecture with 32KB L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, and 256KB L2 Unified Mapped RAM/Cache.
- How many DMA channels does the TMS320C6748EZCED4 have?
The device has 64 independent DMA channels and 16 quick DMA channels.
- What types of floating-point operations does the TMS320C6748EZCED4 support?
The device supports IEEE Single Precision (32-Bit) and Double Precision (64-Bit) floating-point operations.
- What interfaces are available on the TMS320C6748EZCED4?
The device includes interfaces such as EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, SPI, UART, USB, and external memory interfaces.
- What is the operating temperature range of the TMS320C6748EZCED4?
The operating temperature range is -40°C to 90°C.
- What is the package type of the TMS320C6748EZCED4?
The device is packaged in a 361-Ball Pb-Free Plastic Ball Grid Array (PBGA).
- Does the TMS320C6748EZCED4 support low power mode?
Yes, the device supports low power mode for energy-efficient operation.
- What are some typical applications of the TMS320C6748EZCED4?
Typical applications include industrial automation, medical devices, aerospace and defense, consumer electronics, and automotive systems.
- What is the supply voltage range for the TMS320C6748EZCED4?
The core supply voltage is 1.30V, and the I/O voltage is 1.8V and 3.3V.
