Overview
The TMS320VC5509A is a high-performance, low-power, fixed-point digital signal processor (DSP) from Texas Instruments, based on the TMS320C55x DSP generation CPU processor core. This DSP is designed to achieve high performance and low power consumption through increased parallelism and a focus on reducing power dissipation. It is particularly suited for portable digital video applications, offering significant processing headroom for various functions such as video codec performance, color space conversion, user-interface operations, security, TCP/IP, voice recognition, and text-to-speech conversion.
Key Specifications
| Parameter | Specification |
|---|---|
| Clock Rate | 108 MHz, 144 MHz, 200 MHz |
| Instruction Cycle Time | 9.26 ns, 6.95 ns, 5 ns |
| On-Chip RAM | 128K × 16-Bit (64K Bytes DARAM, 192K Bytes SARAM) |
| On-Chip ROM | 64K Bytes (32K × 16-Bit) |
| External Memory Space | 8M × 16-Bit (Synchronous DRAM) |
| Multipliers | Dual Multipliers (Up to 400 Million Multiply-Accumulates per Second) |
| Arithmetic/Logic Units (ALUs) | Two ALUs (40-bit and 16-bit) |
| Timers | Two 20-Bit Timers, Watchdog Timer |
| Serial Ports | Up to 3 Multichannel Buffered Serial Ports (McBSPs), Up to 2 MultiMedia/Secure Digital Card Interfaces |
| GPIO Pins | Seven (LQFP) or Eight (BGA) General-Purpose I/O (GPIO) Pins |
| USB | Full-Speed (12 Mbps) Slave Port |
| Package | 179-Terminal MicroStar BGA™ (Ball Grid Array) |
Key Features
- High-performance, low-power fixed-point DSP based on the TMS320C55x DSP generation CPU processor core.
- Dual multipliers capable of up to 400 million multiply-accumulates per second (MMACS).
- Two arithmetic/logic units (ALUs): a central 40-bit ALU and an additional 16-bit ALU.
- Three internal data/operand read buses and two internal data/operand write buses.
- External memory interface (EMIF) supporting asynchronous SRAM, EPROM, and synchronous DRAM.
- Six-channel direct memory access (DMA) controller.
- Programmable phase-locked loop clock generator.
- USB full-speed (12 Mbps) slave port supporting bulk, interrupt, and isochronous transfers.
- Inter-Integrated Circuit (I2C) multi-master and slave interface.
- Real-time clock (RTC) with crystal input, separate clock domain, and separate power supply.
- Four-channel (BGA) or two-channel (LQFP) 10-bit successive approximation A/D converter.
Applications
The TMS320VC5509A is designed for a wide range of applications, particularly in portable digital video processing. Key applications include:
- Video codec performance and processing.
- Color space conversion and other image processing tasks.
- User-interface operations and multimedia applications.
- Security, TCP/IP, voice recognition, and text-to-speech conversion.
- Portable digital video devices such as handheld video recorders, digital cameras, and mobile phones.
Q & A
- What is the TMS320VC5509A?
The TMS320VC5509A is a high-performance, low-power fixed-point digital signal processor (DSP) from Texas Instruments.
- What are the clock rates supported by the TMS320VC5509A?
The TMS320VC5509A supports clock rates of 108 MHz, 144 MHz, and 200 MHz.
- How much on-chip RAM does the TMS320VC5509A have?
The TMS320VC5509A has 128K × 16-Bit on-chip RAM, composed of 64K Bytes of DARAM and 192K Bytes of SARAM.
- What types of external memory does the TMS320VC5509A support?
The TMS320VC5509A supports asynchronous SRAM, EPROM, and synchronous DRAM through its external memory interface (EMIF).
- Does the TMS320VC5509A have USB capabilities?
Yes, the TMS320VC5509A has a full-speed (12 Mbps) USB slave port supporting bulk, interrupt, and isochronous transfers.
- What is the role of the DMA controller in the TMS320VC5509A?
The six-channel DMA controller provides data movement for six independent channel contexts without CPU intervention, achieving up to two 16-bit words per cycle.
- What development tools support the TMS320VC5509A?
The TMS320VC5509A is supported by the Code Composer Studio™ Integrated Development Environment (IDE), DSP/BIOS™, and the C55x DSP Library.
- What are some common applications of the TMS320VC5509A?
Common applications include video codec performance, color space conversion, user-interface operations, security, TCP/IP, voice recognition, and text-to-speech conversion.
- What package options are available for the TMS320VC5509A?
The TMS320VC5509A is available in 179-terminal MicroStar BGA™ (Ball Grid Array) and 144-terminal LQFP packages.
- Does the TMS320VC5509A have real-time clock capabilities?
Yes, the TMS320VC5509A includes a real-time clock (RTC) with crystal input, separate clock domain, and separate power supply.
- What is the significance of the C55x DSP architecture?
The C55x DSP architecture achieves high performance and low power through increased parallelism and a focus on reducing power dissipation, making it suitable for various high-performance applications.
