Overview
The TMS320C6742BZWT2 is a fixed- and floating-point Digital Signal Processor (DSP) from Texas Instruments, based on the C674x DSP core. This device is designed as a low-power applications processor, offering significant power savings compared to other members of the TMS320C6000 platform. It features a 200-MHz C674x DSP core, supporting both fixed-point and floating-point operations, and is equipped with a two-level cache memory architecture. The device is suitable for original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to develop devices with robust operating systems, rich user interfaces, and high processor performance.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 200-MHz C674x Fixed- and Floating-Point VLIW DSP |
| Instruction Set | Superset of C67x+ and C64x+ ISAs, up to 1600 MIPS and 1200 MFLOPS |
| Cache Memory | 32KB L1P Program RAM/Cache, 32KB L1D Data RAM/Cache, 64KB L2 Unified Mapped RAM/Cache |
| DMA Controller | Enhanced Direct Memory Access Controller 3 (EDMA3) with 64 independent DMA channels and 16 quick DMA channels |
| Memory Interfaces | DDR2/mDDR Memory Controller, EMIFA, NOR, NAND, 16-bit SDRAM |
| Peripheral Interfaces | UART, SPI, I2C, McBSP, McASP, HPI |
| Timers and Counters | One 64-bit General-Purpose Timer, one 64-bit General-Purpose or Watchdog Timer |
| PWM and Capture Modules | Two Enhanced High-Resolution Pulse Width Modulators (eHRPWMs), three Enhanced Capture (eCAP) Modules |
| Package | 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) with 0.80-mm ball pitch |
| Operating Voltage | 1.8-V or 3.3-V LVCMOS I/Os (except for DDR2 interfaces) |
Key Features
- High-Performance DSP Core: Supports up to 1600 MIPS and 1200 MFLOPS with a load-store architecture and nonaligned support.
- Advanced Instruction Set: Includes byte-addressable data, 8-bit overflow protection, bit-field extract, set, clear, normalization, saturation, and bit-counting.
- Flexible Cache Architecture: 32KB L1P program cache, 32KB L1D data cache, and 64KB L2 unified mapped cache.
- Enhanced DMA Controller: EDMA3 with 64 independent DMA channels and 16 quick DMA channels.
- Rich Peripheral Set: Includes UART, SPI, I2C, McBSP, McASP, HPI, and real-time clock (RTC) with a 32-kHz oscillator.
- High-Resolution PWM and Capture Modules: Two eHRPWMs and three eCAP modules.
- Software Support: TI DSP BIOS, Chip Support Library, and DSP Library.
Applications
- Currency Inspection: Utilizes the DSP's high-performance capabilities for image processing and analysis.
- Biometric Identification: Leverages the DSP's advanced signal processing for biometric data analysis.
- Machine Vision (Low-End): Suitable for low-end machine vision applications requiring robust signal processing.
Q & A
- What is the core frequency of the TMS320C6742BZWT2 DSP?
The core frequency of the TMS320C6742BZWT2 DSP is 200 MHz.
- What type of cache architecture does the TMS320C6742BZWT2 use?
The device uses a two-level cache architecture with 32KB L1P program cache, 32KB L1D data cache, and 64KB L2 unified mapped cache.
- What is the capacity of the on-chip RAM in the TMS320C6742BZWT2?
The device includes 32KB of L1P program RAM, 32KB of L1D data RAM, and 64KB of L2 unified mapped RAM.
- What types of memory interfaces are supported by the TMS320C6742BZWT2?
The device supports DDR2/mDDR memory controllers, EMIFA, NOR, NAND, and 16-bit SDRAM.
- Does the TMS320C6742BZWT2 support floating-point operations?
Yes, the TMS320C6742BZWT2 supports IEEE single precision (32-bit) and double precision (64-bit) floating-point operations.
- What is the purpose of the Enhanced Direct Memory Access Controller 3 (EDMA3) in the TMS320C6742BZWT2?
The EDMA3 is used for efficient data transfer, featuring 64 independent DMA channels and 16 quick DMA channels.
- What are some of the peripheral interfaces available on the TMS320C6742BZWT2?
The device includes UART, SPI, I2C, McBSP, McASP, and HPI interfaces.
- Does the TMS320C6742BZWT2 have any specific timers and counters?
Yes, it includes one 64-bit General-Purpose Timer and one 64-bit General-Purpose or Watchdog Timer.
- What kind of PWM and capture modules are available on the TMS320C6742BZWT2?
The device features two Enhanced High-Resolution Pulse Width Modulators (eHRPWMs) and three Enhanced Capture (eCAP) Modules.
- What is the package type of the TMS320C6742BZWT2?
The device is packaged in a 361-Ball Pb-Free Plastic Ball Grid Array (PBGA) with a 0.80-mm ball pitch.
