Overview
The TMS320C6745DPTP4 is a low-power digital signal processor (DSP) from Texas Instruments, based on the TMS320C674x DSP core. This device is part of the TMS320C6000 platform and is designed to consume significantly lower power compared to other members of this family. It is tailored for original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly develop high-performance devices. The TMS320C6745DPTP4 features a two-level cache-based architecture, enhancing its processing efficiency and power management.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | TMS320C674x VLIW DSP Core |
| Clock Speed | Up to 456 MHz |
| Performance | Up to 3648 MIPS and 2736 MFLOPS |
| Cache Memory | 32KB L1P Program Cache, 32KB L1D Data Cache, 256KB L2 Unified Cache |
| General-Purpose Registers | 64 (32-bit) |
| Functional Units | Six ALU (32- and 40-bit) |
| Floating Point Support | IEEE Single Precision (32-bit) and Double Precision (64-bit) |
| Peripheral Interfaces | 10/100 Mbps Ethernet MAC, 2 I2C Bus interfaces, 2 McASPs, 3 UARTs, eHRPWM, eCAP, eQEP |
| External Memory Interfaces | EMIFA (asynchronous and SDRAM), EMIFB (SDRAM) |
| USB Support | USB 2.0 Full- and Low-Speed Host, Full-Speed Client |
| Package Type | 176-pin PowerPAD Plastic Quad Flat Pack (PTP suffix) |
Key Features
- Software Support: TI DSP/BIOS™, Chip Support Library, and DSP Library.
- Instruction Set: Superset of the C67x+ and C64x+ ISAs, byte-addressable (8-, 16-, 32-, and 64-bit data), bit-field extract, set, clear, normalization, saturation, bit-counting, and compact 16-bit instructions.
- Cache Architecture: Two-level cache with 32KB L1P and L1D caches, and 256KB L2 unified cache.
- Direct Memory Access: Enhanced Direct Memory Access Controller 3 (EDMA3) with 2 transfer controllers, 32 independent DMA channels, and 8 quick DMA channels.
- Peripheral Set: Includes 10/100 Mbps Ethernet MAC, two I2C Bus interfaces, two multichannel audio serial ports (McASPs), three UART interfaces, eHRPWM, eCAP, eQEP, and external memory interfaces.
- USB Support: USB 2.0 Full- and Low-Speed Host, Full-Speed Client.
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: Suitable for high-performance audio processing in consumer electronics.
- Professional Audio: Employed in professional audio equipment for advanced signal processing.
- Network Streaming Audio: Used in devices that require streaming audio over networks).
Q & A
- What is the TMS320C6745DPTP4 based on?
The TMS320C6745DPTP4 is based on the TMS320C674x DSP core.
- What are the key performance metrics of the TMS320C6745DPTP4?
It offers up to 3648 MIPS and 2736 MFLOPS.
- What type of cache architecture does the TMS320C6745DPTP4 use?
It uses a two-level cache architecture with 32KB L1P and L1D caches, and a 256KB L2 unified cache.
- What peripheral interfaces are available on the TMS320C6745DPTP4?
It includes 10/100 Mbps Ethernet MAC, two I2C Bus interfaces, two McASPs, three UARTs, eHRPWM, eCAP, eQEP, and external memory interfaces.
- Does the TMS320C6745DPTP4 support USB?
Yes, it supports USB 2.0 Full- and Low-Speed Host, and Full-Speed Client.
- What is the package type of the TMS320C6745DPTP4?
It comes in a 176-pin PowerPAD Plastic Quad Flat Pack (PTP suffix).
- What are some common applications of the TMS320C6745DPTP4?
It is used in A/V receivers, automotive amplifiers, soundbars, home theatre systems, professional audio equipment, and network streaming audio devices.
- How does the TMS320C6745DPTP4 manage memory?
It has two external memory interfaces: EMIFA for asynchronous and SDRAM, and EMIFB for higher speed SDRAM.
- Does the TMS320C6745DPTP4 support floating-point operations?
Yes, it supports IEEE Single Precision (32-bit) and Double Precision (64-bit) floating-point operations.
- What is the power consumption profile of the TMS320C6745DPTP4?
The TMS320C6745DPTP4 is designed to consume significantly lower power compared to other members of the TMS320C6000 platform.
