Overview
The TMS320C6748BZWTA3 is a fixed- and floating-point Digital Signal Processor (DSP) from Texas Instruments, based on the C674x DSP core. This low-power applications processor is designed to provide significantly lower power consumption compared to other members of the TMS320C6000 platform. It enables original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly develop devices with robust operating systems, rich user interfaces, and high processor performance. The device utilizes a 2-level cache-based architecture, enhancing its performance and efficiency.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | 375- and 456-MHz C674x Fixed- and Floating-Point VLIW DSP |
| Instruction Set | Superset of the C67x+ and C64x+ ISAs |
| Performance | Up to 3648 MIPS and 2746 MFLOPS |
| Cache Memory | 32KB of L1P Program RAM/Cache, 32KB of L1D Data RAM/Cache, 256KB of L2 Unified Mapped RAM/Cache |
| DMA Controller | Enhanced Direct Memory Access Controller 3 (EDMA3): 64 Independent DMA Channels, 16 Quick DMA Channels |
| Memory Interfaces | EMIFA, NOR, NAND, 16-Bit SDRAM, DDR2/Mobile DDR Memory Controller |
| UART | Three 16550-Type UART Modules with Modem Control Signals and 16-Byte FIFO |
| SPI | Two Serial Peripheral Interfaces (SPIs) with Multiple Chip Selects |
| I2C | Two Master and Slave Inter-Integrated Circuits (I2C Bus) |
| USB | USB 2.0 High-, Full-, and Low-Speed Host |
| Operating Temperature | -40 to 105°C, -40 to 90°C, 0 to 90°C |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) |
Key Features
- High Performance: Up to 3648 MIPS and 2746 MFLOPS, with a superset of the C67x+ and C64x+ instruction sets.
- Low Power Consumption: Designed to provide significantly lower power than other members of the TMS320C6000 platform.
- Advanced Cache Architecture: 32KB of L1P Program RAM/Cache, 32KB of L1D Data RAM/Cache, and 256KB of L2 Unified Mapped RAM/Cache.
- Enhanced DMA Controller: EDMA3 with 64 independent DMA channels and 16 quick DMA channels.
- Multiple Memory Interfaces: EMIFA, NOR, NAND, 16-Bit SDRAM, and DDR2/Mobile DDR Memory Controller.
- Rich Peripheral Set: Includes three UART modules, two SPIs, two I2C buses, USB 2.0, and more.
- High-Speed Interfaces: 10/100 Mbps Ethernet MAC, SATA I and II, and Serial ATA controller.
- Audio and Multimedia Support: Multichannel Audio Serial Port (McASP), Multichannel Buffered Serial Ports (McBSP), and LCD Controller.
Applications
- Communications and Telecom: Suitable for various communication and telecommunication applications due to its high performance and low power consumption.
- Machine Vision: Ideal for low-end machine vision applications requiring robust processing capabilities.
- Currency Inspection and Biometric Identification: Can be used in applications such as currency inspection and biometric identification due to its advanced processing features.
- General Embedded Systems: Applicable in a wide range of embedded systems requiring high-performance DSP capabilities.
Q & A
- What is the core frequency of the TMS320C6748 DSP?
The core frequency of the TMS320C6748 DSP is 375 MHz (at 1.2V) or 456 MHz (at 1.3V).
- What is the cache architecture of the TMS320C6748?
The TMS320C6748 features a 2-level cache architecture with 32KB of L1P Program RAM/Cache, 32KB of L1D Data RAM/Cache, and 256KB of L2 Unified Mapped RAM/Cache.
- What types of memory interfaces does the TMS320C6748 support?
The TMS320C6748 supports various memory interfaces including EMIFA, NOR, NAND, 16-Bit SDRAM, and DDR2/Mobile DDR Memory Controller.
- Does the TMS320C6748 have USB support?
Yes, the TMS320C6748 supports USB 2.0 High-, Full-, and Low-Speed Host.
- What are the operating temperature ranges for the TMS320C6748?
The operating temperature ranges for the TMS320C6748 are -40 to 105°C, -40 to 90°C, and 0 to 90°C.
- What is the package type for the TMS320C6748?
The TMS320C6748 is available in a 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) package.
- Does the TMS320C6748 support SATA interfaces?
Yes, the TMS320C6748 supports SATA I (1.5 Gbps) and SATA II (3.0 Gbps) interfaces.
- What is the role of the EDMA3 in the TMS320C6748?
The EDMA3 (Enhanced Direct Memory Access Controller 3) in the TMS320C6748 provides 64 independent DMA channels and 16 quick DMA channels, enhancing data transfer efficiency.
- What kind of audio interfaces does the TMS320C6748 support?
The TMS320C6748 supports Multichannel Audio Serial Port (McASP) and Multichannel Buffered Serial Ports (McBSP).
- Is the TMS320C6748 RoHS compliant?
Yes, the TMS320C6748 is RoHS compliant.
