Overview
The TMS320C5535 is a low-power, fixed-point digital signal processor (DSP) from Texas Instruments, part of the TMS320C55x DSP family. This device is designed for high-performance and low-power applications, making it suitable for a variety of uses including wireless audio devices, industrial controls, and voice applications. The C55x DSP architecture is optimized for power efficiency, low system cost, and best-in-class performance, ensuring it meets the demands of tight power budgets.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | TMS320C55x DSP generation CPU processor core |
| Clock Rate | 50 MHz (1.05 V core), 100 MHz (1.3 V core) |
| Cycle Time | 20 ns (1.05 V core), 10 ns (1.3 V core) |
| Voltage | Core: 1.05 V or 1.3 V, I/O: 1.8 V, 2.5 V, 2.75 V, 3.3 V |
| Integrated LDOs | DSP_LDO, ANA_LDO, USB_LDO |
| Memory | 320KB of zero-wait state on-chip RAM (64KB DARAM, 256KB SARAM) |
| FFT Hardware Accelerator | Supports 8- to 1024-point real and complex-valued FFTs |
| Peripherals | USB 2.0 device mode, LCD interface, RTC, three general-purpose timers, APLL clock generator, SPI, I2C, UART, I2S Bus modules |
| DMA Controllers | Four DMA controllers with 4 channels each |
| ADC | 10-bit SAR ADC |
Key Features
- High-performance, low-power TMS320C55x DSP generation CPU processor core
- Support for up to four 16-bit data reads and two 16-bit data writes in a single cycle
- Four DMA controllers with 16 independent channel contexts
- Tightly coupled FFT Hardware Accelerator supporting 8- to 1024-point FFTs
- Integrated LDOs for power management (DSP_LDO, ANA_LDO, USB_LDO)
- USB 2.0 device mode, LCD interface, and various serial interfaces (SPI, I2C, UART, I2S Bus)
- Three general-purpose timers with one configurable as a watchdog timer and an APLL clock generator
- 10-bit SAR ADC and 32 general-purpose I/O (GPIO) pins
Applications
- Wireless audio devices (headsets, microphones, speakerphones)
- Industrial controls
- Voice applications
- Echo cancellation headphones
- Media interfaces and other low-power, high-performance signal processing tasks
Q & A
- What is the TMS320C5535?
The TMS320C5535 is a low-power, fixed-point digital signal processor from Texas Instruments.
- What are the key features of the TMS320C5535?
Key features include a high-performance TMS320C55x DSP core, FFT Hardware Accelerator, USB 2.0 device mode, LCD interface, and various serial interfaces.
- What are the clock rates and cycle times of the TMS320C5535?
The device operates at 50 MHz (1.05 V core) and 100 MHz (1.3 V core) with cycle times of 20 ns and 10 ns respectively.
- What type of memory does the TMS320C5535 have?
The device includes 320KB of zero-wait state on-chip RAM, composed of 64KB DARAM and 256KB SARAM.
- Does the TMS320C5535 support FFT operations?
Yes, it includes a tightly coupled FFT Hardware Accelerator supporting 8- to 1024-point real and complex-valued FFTs.
- What peripherals are available on the TMS320C5535?
Peripherals include USB 2.0 device mode, LCD interface, RTC, three general-purpose timers, APLL clock generator, SPI, I2C, UART, and I2S Bus modules.
- How many DMA controllers does the TMS320C5535 have?
The device has four DMA controllers, each with 4 channels.
- What type of ADC is integrated into the TMS320C5535?
The device includes a 10-bit SAR ADC.
- What are the typical applications of the TMS320C5535?
Typical applications include wireless audio devices, industrial controls, voice applications, and echo cancellation headphones.
- Is the TMS320C5535 power-efficient?
Yes, the device is designed for low-power applications and has integrated LDOs for power management.
