Overview
The TMS320C6745BPTPA3 is a fixed- and floating-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C674x family. This device is designed to offer high processing performance while consuming significantly lower power compared to other members of the TMS320C6000 DSP platform. It is particularly suited for applications requiring advanced signal processing capabilities.
The TMS320C6745BPTPA3 is based on the C674x DSP core, which supports both fixed-point and floating-point operations. It features a load-store architecture with nonaligned support and includes 64 general-purpose registers. The device is available in a 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP) package, making it suitable for a variety of embedded systems.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 375- or 300-MHz TMS320C674x VLIW DSP |
| Instruction Set | Superset of the C67x+ and C64x+ ISAs |
| Performance | Up to 3648 MIPS and 2736 MFLOPS |
| Registers | 64 general-purpose registers (32-bit) |
| 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) with 32 independent DMA channels and 8 quick DMA channels |
| External Memory Interfaces | EMIFA and EMIFB supporting NOR, NAND, and SDRAM |
| UART Modules | Three configurable 16550-type UART modules |
| USB Interface | USB 2.0 Full-Speed Client, USB 1.1 OHCI (Host) with integrated PHY |
| Audio Serial Ports | Two multichannel audio serial ports (McASPs) with FIFO buffers |
| Ethernet MAC | 10/100 Mbps Ethernet MAC (EMAC) with MDIO module |
| Package | 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP) |
| Operating Voltage | 1.2 V core, 3.3 V I/O |
| Temperature Range | Commercial, Industrial, or Automotive temperature ranges |
Key Features
- High Performance DSP Core: Supports up to 3648 MIPS and 2736 MFLOPS with a 375- or 300-MHz C674x VLIW DSP core.
- Advanced Memory Architecture: Includes 32KB of L1P Program RAM/Cache, 32KB of L1D Data RAM/Cache, and 256KB of L2 Unified Mapped RAM/Cache.
- Enhanced DMA Controller: Features the Enhanced Direct Memory Access Controller 3 (EDMA3) with 32 independent DMA channels and 8 quick DMA channels.
- External Memory Interfaces: Supports EMIFA and EMIFB for NOR, NAND, and SDRAM.
- Peripheral Set: Includes three configurable 16550-type UART modules, two multichannel audio serial ports (McASPs), and a 10/100 Mbps Ethernet MAC (EMAC) with MDIO module.
- USB and Audio Capabilities: Features a USB 2.0 Full-Speed Client and two McASPs with FIFO buffers.
- General-Purpose Timers and GPIO: Includes two 64-bit general-purpose timers and up to 8 banks of 16 pins of general-purpose input/output (GPIO).
- Power and Package: Operates at 1.2 V core and 3.3 V I/O, available in a 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP) package.
Applications
- A/V Receivers: Suitable for audio and video processing in home entertainment systems.
- Automotive Amplifiers: Used in automotive audio systems for enhanced sound quality.
- Soundbars and Home Theatre Systems: Ideal for high-performance audio processing in consumer electronics.
- Professional Audio: Utilized in professional audio equipment for advanced signal processing.
- Network Streaming Audio: Supports streaming audio applications with its robust Ethernet MAC and audio interfaces.
Q & A
- What is the core frequency of the TMS320C6745BPTPA3?
The core frequency of the TMS320C6745BPTPA3 is 375 MHz or 300 MHz.
- What type of memory architecture does the TMS320C6745BPTPA3 have?
The device features a two-level cache memory architecture with 32KB of L1P Program RAM/Cache, 32KB of L1D Data RAM/Cache, and 256KB of L2 Unified Mapped RAM/Cache.
- What is the Enhanced Direct Memory Access Controller 3 (EDMA3) in the TMS320C6745BPTPA3?
The EDMA3 is a DMA controller with 32 independent DMA channels and 8 quick DMA channels, providing efficient data transfer.
- What external memory interfaces are supported by the TMS320C6745BPTPA3?
The device supports EMIFA and EMIFB for NOR, NAND, and SDRAM.
- Does the TMS320C6745BPTPA3 have USB capabilities?
Yes, it features a USB 2.0 Full-Speed Client and USB 1.1 OHCI (Host) with integrated PHY.
- What is the package type of the TMS320C6745BPTPA3?
The device is available in a 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP) package.
- What are the operating voltage and temperature ranges for the TMS320C6745BPTPA3?
The device operates at 1.2 V core and 3.3 V I/O, with commercial, industrial, or automotive temperature ranges.
- What are some common applications of the TMS320C6745BPTPA3?
Common applications include A/V receivers, automotive amplifiers, soundbars, home theatre systems, professional audio, and network streaming audio.
- Does the TMS320C6745BPTPA3 support Ethernet?
Yes, it includes a 10/100 Mbps Ethernet MAC (EMAC) with an MDIO module.
- How many multichannel audio serial ports (McASPs) does the TMS320C6745BPTPA3 have?
The device supports two McASPs with FIFO buffers.
