Overview
The TMS320C6745BPTPT3 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, such as audio and video processing, network streaming, and automotive systems.
Key Specifications
| Specification | Detail |
|---|---|
| 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 |
| On-Chip Memory | 32KB L1 Program (L1P)/Cache, 32KB L1 Data (L1D)/Cache, 256KB Unified Mapped RAM/Cache (L2), 1024KB ROM (L2) |
| External Memory Interfaces | EMIFA (NOR, NAND, 16-Bit SDRAM), EMIFB (32-Bit or 16-Bit SDRAM) |
| UART Modules | Three configurable 16550-type UART modules, one with modem control signals |
| Audio Interfaces | Two multichannel audio serial ports (McASPs) with FIFO buffers and support for TDM, I2S formats |
| Ethernet MAC | 10/100 Mbps Ethernet MAC (EMAC) with MDIO module, IEEE 802.3 compliant |
| USB Interfaces | USB 2.0 OTG port with integrated PHY, USB 1.1 OHCI (Host) with integrated PHY (TMS320C6747 only) |
| Package Type | 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP), 0.5-mm pin pitch |
| Temperature Range | Commercial, Industrial, or Automotive temperature ranges |
Key Features
- High-Performance DSP Core: Based on the TMS320C674x VLIW DSP core, offering up to 3648 MIPS and 2736 MFLOPS.
- Advanced Memory Management: Includes 32KB L1 Program and Data Caches, 256KB Unified Mapped RAM/Cache (L2), and 1024KB ROM (L2).
- External Memory Interfaces: Supports EMIFA and EMIFB for various memory types including NOR, NAND, and SDRAM.
- Rich Peripheral Set: Includes three UART modules, two McASPs, 10/100 Mbps Ethernet MAC, USB 2.0 OTG and USB 1.1 OHCI interfaces, and more.
- Programmable Real-Time Unit Subsystem (PRUSS): Features two independent PRU cores with 4KB instruction RAM and 512 bytes of data RAM per core.
- Power Management: Includes clock gating and a standard power-management mechanism to reduce power consumption.
Applications
- A/V Receivers: Ideal 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: Provides advanced signal processing for professional audio applications.
- Network Streaming Audio: Suitable for streaming audio devices due to its high-performance DSP capabilities.
- Professional Audio Equipment: Used in various professional audio applications requiring high-quality signal processing.
Q & A
- What is the TMS320C6745BPTPT3?
The TMS320C6745BPTPT3 is a fixed- and floating-point digital signal processor from Texas Instruments, part of the TMS320C674x family.
- What are the key performance metrics of the TMS320C6745BPTPT3?
It offers up to 3648 MIPS and 2736 MFLOPS, with a 375- or 300-MHz TMS320C674x VLIW DSP core.
- What types of memory interfaces does the TMS320C6745BPTPT3 support?
It supports EMIFA and EMIFB for NOR, NAND, and SDRAM memory types.
- Does the TMS320C6745BPTPT3 have USB interfaces?
Yes, it includes a USB 2.0 OTG port and a USB 1.1 OHCI (Host) interface (on TMS320C6747 only).
- What is the package type of the TMS320C6745BPTPT3?
It is packaged in a 176-pin PowerPAD™ Plastic Quad Flat Pack (PTP) with a 0.5-mm pin pitch.
- What are the temperature ranges supported by the TMS320C6745BPTPT3?
It supports commercial, industrial, or automotive temperature ranges.
- Is the TMS320C6745BPTPT3 still in production?
No, the TMS320C6745BPTPT3 is marked as obsolete and has been discontinued by Texas Instruments.
- What are some common applications of the TMS320C6745BPTPT3?
It is used in A/V receivers, automotive amplifiers, soundbars, home theatre systems, professional audio equipment, and network streaming audio devices.
- Does the TMS320C6745BPTPT3 support Ethernet?
Yes, it includes a 10/100 Mbps Ethernet MAC (EMAC) with an MDIO module.
- What is the Programmable Real-Time Unit Subsystem (PRUSS) in the TMS320C6745BPTPT3?
The PRUSS features two independent PRU cores with 4KB instruction RAM and 512 bytes of data RAM per core.
- How does the TMS320C6745BPTPT3 manage power consumption?
It includes clock gating and a standard power-management mechanism to reduce power consumption.
