Overview
The TMS320C6746BZWT4 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 high performance while minimizing power consumption, making it an ideal choice for various applications requiring robust processing capabilities. The device is part of the TMS320C6000™ platform and offers a fully integrated, mixed processor solution that enables original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly develop devices with advanced operating systems and user interfaces.
Key Specifications
| Specification | Details |
|---|---|
| Processor Speed | 375 MHz or 456 MHz |
| DSP Core | C674x Fixed- and Floating-Point VLIW DSP |
| Instruction Set | Superset of C67x+ and C64x+ ISAs |
| MIPS and MFLOPS | Up to 3648 MIPS and 2746 MFLOPS |
| Cache Memory | 32KB L1P Program Cache, 32KB L1D Data Cache, 256KB L2 Unified Mapped RAM/Cache |
| 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) |
| Memory Interfaces | EMIFA, NOR, NAND, SDRAM, DDR2/Mobile DDR |
| Peripheral Interfaces | UART, SPI, MMC/SD, I2C, HPI, USB 2.0 OTG, McASP, McBSP, EMAC |
| Package Type | NFBGA (361 pins) |
| Body Size | 16.00 mm x 16.00 mm |
Key Features
- C674x DSP Core: Supports both fixed-point and floating-point operations with a load-store architecture and nonaligned support.
- Cache Architecture: 2-level cache with 32KB L1P and L1D caches and a 256KB L2 unified mapped RAM/cache.
- Enhanced Direct Memory Access Controller (EDMA3): Includes 2 channel controllers, 3 transfer controllers, 64 independent DMA channels, and 16 quick DMA channels.
- Programmable Real-Time Unit Subsystem (PRUSS): Features two independent PRU cores with 32-bit load-store RISC architecture.
- Peripheral Interfaces: Includes UART, SPI, MMC/SD, I2C, HPI, USB 2.0 OTG, McASP, McBSP, and EMAC.
- Video and Audio Interfaces: Supports TDM, I2S, and similar formats through McASP and McBSP, and includes a video port interface (VPIF).
- Power Management: Standard power-management mechanisms with clock gating and dedicated interrupt controller.
Applications
- Currency Inspection: Used in systems that require high-speed image processing and analysis.
- Biometric Identification: Suitable for fingerprint, facial recognition, and other biometric applications.
- Machine Vision (Low-End): Ideal for low-end machine vision tasks that require real-time processing of video and image data.
Q & A
- What is the TMS320C6746BZWT4 processor based on?
The TMS320C6746BZWT4 is based on the C674x DSP core. - What are the processor speeds available for the TMS320C6746BZWT4?
The processor speeds available are 375 MHz and 456 MHz. - What is the cache architecture of the TMS320C6746BZWT4?
The cache architecture includes 32KB L1P and L1D caches and a 256KB L2 unified mapped RAM/cache. - What types of memory interfaces does the TMS320C6746BZWT4 support?
The device supports EMIFA, NOR, NAND, SDRAM, DDR2/Mobile DDR memory interfaces. - What peripheral interfaces are available on the TMS320C6746BZWT4?
The device includes UART, SPI, MMC/SD, I2C, HPI, USB 2.0 OTG, McASP, McBSP, and EMAC interfaces. - Does the TMS320C6746BZWT4 support floating-point operations?
Yes, it supports IEEE Single Precision (32-bit) and Double Precision (64-bit) floating-point operations. - What is the role of the Programmable Real-Time Unit Subsystem (PRUSS) in the TMS320C6746BZWT4?
The PRUSS features two independent PRU cores with 32-bit load-store RISC architecture, designed for real-time processing tasks. - What are some common applications of the TMS320C6746BZWT4?
Common applications include currency inspection, biometric identification, and low-end machine vision tasks. - How does the TMS320C6746BZWT4 manage power consumption?
The device uses standard power-management mechanisms with clock gating and a dedicated interrupt controller to manage power consumption. - What development tools are available for the TMS320C6746BZWT4?
The device has a complete set of development tools including C compilers, DSP assembly optimizer, and a Windows® debugger interface.
