Overview
The TMS320C6748BZCEA3 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 features 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 L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, 256KB L2 Unified Mapped RAM/Cache |
| RAM | 128KB of RAM Shared Memory, 448kB On-Chip RAM |
| Interfaces | EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, SPI, UART, USB |
| Clock Rate | 375 MHz |
| Voltage - I/O | 1.8V, 3.3V |
| Voltage - Core | 1.20V |
| Operating Temperature | -40°C ~ 105°C (TJ) |
| Package | 361-LFBGA |
Key Features
- Supports 32-Bit Integer, SP (IEEE Single Precision/32-Bit) and DP (IEEE Double Precision/64-Bit) Floating Point operations.
- Byte-Addressable (8-, 16-, 32-, and 64-Bit Data) with 8-Bit Overflow Protection, Bit-Field Extract, Set, Clear, Normalization, Saturation, and Bit-Counting.
- Compact 16-Bit Instructions and Instruction Packing to reduce code size.
- Enhanced Direct Memory Access Controller 3 (EDMA3) with 2 Channel Controllers, 3 Transfer Controllers, 64 Independent DMA Channels, and 16 Quick DMA Channels.
- Flexible RAM/Cache Partition (L1 and L2).
- Three Configurable 16550-Type UART Modules with Modem Control Signals and 16-Byte FIFO.
- LCD Controller and Two Serial Peripheral Interfaces (SPIs) each with multiple chip selects.
- Two Multimedia Card (MMC)/Secure Digital (SD) Card Interfaces with Secure Data I/O (SDIO) Interfaces.
- Two Master and Slave Inter-Integrated Circuits (I2C Bus™).
Applications
- Currency Inspection: The TMS320C6748 can be used in currency inspection systems due to its high processing capabilities and low power consumption.
- Biometric Identification: Suitable for biometric identification systems requiring robust processing and efficient data handling.
- Machine Vision (Low-End): Ideal for low-end machine vision applications that require real-time processing and analysis of visual data.
Q & A
- What is the TMS320C6748BZCEA3?
The TMS320C6748BZCEA3 is a fixed- and floating-point Digital Signal Processor (DSP) from Texas Instruments, based on the C674x DSP core.
- What are the key performance metrics of the TMS320C6748BZCEA3?
The device operates at 375- and 456-MHz, providing up to 3648 MIPS and 2746 MFLOPS.
- What is the cache memory architecture of the TMS320C6748BZCEA3?
The device features a 2-level cache-based architecture with 32KB L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, and 256KB L2 Unified Mapped RAM/Cache.
- What types of interfaces does the TMS320C6748BZCEA3 support?
The device supports EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, SPI, UART, and USB interfaces.
- What is the operating temperature range of the TMS320C6748BZCEA3?
The operating temperature range is -40°C ~ 105°C (TJ).
- What package type does the TMS320C6748BZCEA3 come in?
The device is packaged in a 361-LFBGA.
- What are some common applications of the TMS320C6748BZCEA3?
Common applications include currency inspection, biometric identification, and low-end machine vision.
- Does the TMS320C6748BZCEA3 support floating-point operations?
Yes, it supports SP (IEEE Single Precision/32-Bit) and DP (IEEE Double Precision/64-Bit) floating-point operations.
- What is the role of the EDMA3 in the TMS320C6748BZCEA3?
The Enhanced Direct Memory Access Controller 3 (EDMA3) manages data transfers with 2 Channel Controllers, 3 Transfer Controllers, 64 Independent DMA Channels, and 16 Quick DMA Channels.
- Does the TMS320C6748BZCEA3 have any specific power management features?
Yes, it is designed to provide significantly lower power consumption compared to other members of the TMS320C6000™ platform.
