Overview
The TMS320C6747CZKBA3 is a low-power digital signal processor (DSP) from Texas Instruments, based on the TMS320C674x DSP core. This device is designed to offer high processing performance while consuming significantly lower power compared to other members of the TMS320C6000 platform. It is particularly suited for applications requiring advanced signal processing capabilities, such as audio and video processing, and network streaming audio.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor Core | TMS320C674x DSP core |
| Clock Speed | 300, 375, or 456 MHz |
| Performance | Up to 3648 MMACS |
| Memory | 32K bytes data cache, 32K bytes program cache, 256K bytes level-2 cache, 128K bytes shared RAM |
| SDRAM | 64 Mbytes, 133 MHz operation, 32-bit wide, 512M bytes/s peak throughput |
| Flash | 8 Mbytes NOR with SPI interface, optional NAND Flash, SD/Multi-Media-Card Interface |
| Ethernet | 10/100 Mbps Ethernet MAC (EMAC) with MDIO module |
| USB | USB 2.0 OTG and USB 1.1 Host |
| Audio Interfaces | Three multichannel audio serial ports (McASPs) |
| UART | Three UART interfaces (one with RTS and CTS) |
| I2C | Two I2C Bus interfaces |
| GPIO | Up to 8 banks of 16 pins of general-purpose input/output |
| Pulse Width Modulators | Three enhanced high-resolution pulse width modulator (eHRPWM) peripherals |
| Capture Modules | Three 32-bit enhanced capture (eCAP) module peripherals |
| Quadrature Encoder Pulse | Two 32-bit enhanced quadrature encoded pulse (eQEP) peripherals |
| Package | 256-Ball Pb-Free Plastic Ball Grid Array (PBGA) |
| Temperature Range | -40 to 105°C |
Key Features
- Low power consumption compared to other TMS320C6000 DSPs
- Supports up to four single-precision (SP) additions per clock and four double-precision (DP) additions every two clocks
- Two floating-point reciprocal approximation (RCPxP) and square-root reciprocal approximation (RSQRxP) operations per cycle
- Two multiply functional units with mixed-precision IEEE floating-point multiply support
- Instruction packing to reduce code size and all instructions are conditional
- Hardware support for modulo loop operation and protected mode operation
- 128KB of RAM shared memory (TMS320C6747 only)
- 3.3-V LVCMOS I/Os (except for USB interfaces)
- Two external memory interfaces: EMIFA and EMIFB
- Configurable 16-bit host-port interface (HPI) [TMS320C6747 only]
- USB 2.0 OTG and USB 1.1 Host interfaces
- Three multichannel audio serial ports (McASPs) with FIFO buffers
- 10/100 Mbps Ethernet MAC (EMAC) with MDIO module
- Real-time clock with 32-kHz oscillator and separate power rail (TMS320C6747 only)
- Programmable real-time unit subsystem (PRUSS) with two independent PRU cores
Applications
- A/V receivers
- Automotive amplifiers
- Soundbars
- Home theatre systems
- Professional audio equipment
- Network streaming audio devices
Q & A
- What is the TMS320C6747CZKBA3 processor based on?
The TMS320C6747CZKBA3 is based on the TMS320C674x DSP core.
- What are the clock speed options for the TMS320C6747?
The TMS320C6747 can operate at 300, 375, or 456 MHz.
- What is the performance of the TMS320C6747 in terms of MMACS?
The TMS320C6747 can achieve up to 3648 MMACS.
- What types of memory does the TMS320C6747 support?
The TMS320C6747 supports 32K bytes data cache, 32K bytes program cache, 256K bytes level-2 cache, and 128K bytes shared RAM. It also supports external SDRAM and flash memory.
- Does the TMS320C6747 have USB and Ethernet capabilities?
Yes, the TMS320C6747 includes USB 2.0 OTG and USB 1.1 Host interfaces, as well as a 10/100 Mbps Ethernet MAC (EMAC) with an MDIO module.
- What audio interfaces are available on the TMS320C6747?
The TMS320C6747 features three multichannel audio serial ports (McASPs) with FIFO buffers.
- What is the package type and temperature range of the TMS320C6747CZKBA3?
The TMS320C6747CZKBA3 comes in a 256-Ball Pb-Free Plastic Ball Grid Array (PBGA) package and operates in a temperature range of -40 to 105°C.
- Does the TMS320C6747 support real-time clock functionality?
Yes, the TMS320C6747 includes a real-time clock with a 32-kHz oscillator and a separate power rail.
- What is the purpose of the Programmable Real-Time Unit Subsystem (PRUSS) in the TMS320C6747?
The PRUSS includes two independent PRU cores for real-time processing and can be disabled via software to save power.
- What are some common applications for the TMS320C6747?
The TMS320C6747 is commonly used in A/V receivers, automotive amplifiers, soundbars, home theatre systems, professional audio equipment, and network streaming audio devices.
- How does the TMS320C6747 manage power consumption?
The TMS320C6747 features a standard power-management mechanism, including clock gating and the ability to disable the PRUSS via software to save power.
