Overview
The TMS320C6745DPTP3 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 enables original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly develop devices with high processing performance.
The TMS320C6745DPTP3 features a two-level cache architecture, including 32KB of L1 program and data caches, and 256KB of L2 unified mapped RAM/cache. This architecture, along with its advanced instruction set and peripherals, makes it suitable for a wide range of applications requiring high computational power and low power consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | TMS320C674x DSP Core |
| Clock Speed | Up to 456 MHz |
| Cache Memory | 32KB L1P Program Cache, 32KB L1D Data Cache, 256KB L2 Unified Cache |
| Instruction Set | Superset of C67x+ and C64x+ ISAs |
| Performance | Up to 3648 MIPS and 2736 MFLOPS |
| Package Type | 176-pin HLQFP (PTP) |
| Pin Pitch | 0.5 mm |
| Operating Voltage | 3.3 V |
| External Memory Interfaces | EMIFA (NOR, NAND, SDRAM), EMIFB (SDRAM) |
| USB Interfaces | USB 2.0 Full- and Low-Speed Host, USB 2.0 Full-Speed Client |
| Ethernet | 10/100 Mbps Ethernet MAC (EMAC) |
Key Features
- Advanced DSP Core: Supports up to four single-precision (SP) additions per clock and two double-precision (DP) additions every two clocks.
- Cache Architecture: Two-level cache with 32KB L1P and L1D caches, and 256KB L2 unified cache.
- Instruction Set: Superset of C67x+ and C64x+ ISAs with byte-addressable data, bit-field operations, and compact 16-bit instructions.
- Peripheral Set: Includes 10/100 Mbps Ethernet MAC, two I2C Bus interfaces, three multichannel audio serial ports (McASPs), three UART interfaces, and enhanced pulse width modulators (eHRPWMs).
- Memory Interfaces: EMIFA and EMIFB for external memory access, including NOR, NAND, and SDRAM.
- USB and Ethernet: USB 2.0 full- and low-speed host, USB 2.0 full-speed client, and 10/100 Mbps Ethernet MAC.
- Programmable Real-Time Unit Subsystem (PRUSS): Two independent PRU cores with 32-bit load and store RISC architecture.
- Power Management: Standard power-management mechanisms including clock gating and dedicated interrupt controller.
Applications
- A/V Receivers: High-performance audio processing and signal handling.
- Automotive Amplifiers: Advanced signal processing for automotive audio systems.
- Soundbars and Home Theatre Systems: Enhanced audio processing and multi-channel support.
- Professional Audio Equipment: High-quality audio processing and real-time signal handling.
- Network Streaming Audio Devices: Efficient and high-performance audio streaming capabilities.
Q & A
- What is the clock speed of the TMS320C6745DPTP3?
The clock speed of the TMS320C6745DPTP3 can be up to 456 MHz.
- What type of cache architecture does the TMS320C6745DPTP3 use?
The TMS320C6745DPTP3 uses a two-level cache architecture with 32KB L1P and L1D caches, and 256KB L2 unified cache.
- What are the key features of the TMS320C674x DSP core?
The TMS320C674x DSP core supports up to four single-precision additions per clock, two double-precision additions every two clocks, and includes a superset of C67x+ and C64x+ ISAs.
- What types of external memory interfaces are available on the TMS320C6745DPTP3?
The TMS320C6745DPTP3 includes EMIFA (for NOR, NAND, and SDRAM) and EMIFB (for SDRAM) external memory interfaces.
- Does the TMS320C6745DPTP3 support USB and Ethernet?
Yes, the TMS320C6745DPTP3 supports USB 2.0 full- and low-speed host, USB 2.0 full-speed client, and 10/100 Mbps Ethernet MAC.
- What is the package type and pin count of the TMS320C6745DPTP3?
The TMS320C6745DPTP3 comes in a 176-pin HLQFP (PTP) package.
- What are some common applications for the TMS320C6745DPTP3?
Common applications include A/V receivers, automotive amplifiers, soundbars, home theatre systems, professional audio equipment, and network streaming audio devices.
- Does the TMS320C6745DPTP3 support real-time processing?
Yes, the TMS320C6745DPTP3 includes a Programmable Real-Time Unit Subsystem (PRUSS) with two independent PRU cores.
- What power management features are available on the TMS320C6745DPTP3?
The TMS320C6745DPTP3 includes standard power-management mechanisms such as clock gating and a dedicated interrupt controller.
- Is the TMS320C6745DPTP3 suitable for low-power applications?
Yes, the TMS320C6745DPTP3 is designed to consume significantly lower power compared to other members of the TMS320C6000™ platform.
