TMS320C5517AZCHA20 TI TMS320C55x Low-Power Fixed-Point DSP 200MHz FFT Accelerator USB2.0 NFBGA-196

TMS320C5517AZCHA20 Product Overview

The TMS320C5517AZCHA20 is a high-performance, low-power fixed-point digital signal processor (DSP) from Texas Instruments (TI), based on the TMS320C55x core in a compact NFBGA-196 package, running at up to 200MHz. The TMS320C5517AZCHA20 is designed for embedded applications requiring intensive digital signal processing with ultra-low power consumption. The TMS320C5517AZCHA20 features 128KB SRAM, 4KB ROM, a hardware FFT accelerator, and a USB 2.0 high-speed controller. The TMS320C5517AZCHA20 offers strong audio and communication processing capabilities: two multi-channel buffered serial ports (McBSP) can be configured as I2S for direct connection to audio codecs; standard serial interfaces such as UART, SPI, and I2C flexibly interface with sensors and communication modules; and an MMC/SD controller supports external storage expansion. An on-chip 10-bit SAR ADC handles simple analog signal acquisition. Thanks to the ultra-low-power architecture of the C55x core and an integrated LDO, the TMS320C5517AZCHA20 delivers 200 MIPS of processing power with very low active and standby power consumption, making it ideal for battery-powered portable audio devices, medical instruments, industrial meters, and IoT edge processing nodes. The TMS320C5517AZCHA20 is supported by TI's mature Code Composer Studio IDE and extensive DSP software libraries, helping engineers rapidly develop algorithms and bring products to market.

TMS320C5517AZCHA20 Core Features

Processor Core: The TMS320C5517AZCHA20 features a TMS320C55x fixed-point DSP, up to 200MHz (200 MIPS), dual MAC units, instruction set optimized for low power.

On-Chip Memory: The TMS320C5517AZCHA20 provides 128KB SRAM, 4KB ROM.

USB 2.0: The TMS320C5517AZCHA20 integrates a high-speed USB 2.0 controller, supporting Device and Host modes.

Audio & Serial Interfaces: The TMS320C5517AZCHA20 offers 2× McBSP (configurable as I2S), 1× UART, 2× SPI, 2× I2C, all with DMA support.

External Storage: The TMS320C5517AZCHA20 includes an integrated MMC/SD controller, supporting SD card and eMMC boot and data storage.

Hardware Acceleration: The TMS320C5517AZCHA20 features a built-in FFT accelerator for efficient frequency-domain computation; FIR/IIR filtering and LMS adaptive algorithm hardware acceleration.

Analog Peripheral: The TMS320C5517AZCHA20 has a 10-bit SAR ADC (4 channels), suitable for keypad scanning, voltage monitoring, and simple analog acquisition.

System Management: The TMS320C5517AZCHA20 incorporates an on-chip LDO, on-chip oscillator and PLL, watchdog timer, multiple DMA controllers.

Power & Package: The TMS320C5517AZCHA20 operates with core voltage 1.3V, I/O voltage 1.8V/3.3V; NFBGA-196 package, ultra-low-power design.

TMS320C5517AZCHA20 Applications

Portable Audio Devices: The TMS320C5517AZCHA20 is suitable for digital voice recorders, portable audio players, noise-cancelling headphones, conference microphone arrays.

Medical Instruments: The TMS320C5517AZCHA20 enables portable ECG/EEG acquisition, hearing aid digital processing platforms, medical alarm and analysis modules.

Industrial Meters & Sensors: The TMS320C5517AZCHA20 can be used in vibration analyzers, power harmonic detection, acoustic fault diagnosis, flow metering.

IoT Edge Processing: The TMS320C5517AZCHA20 powers low-power edge computing nodes requiring local audio/vibration/signal processing, voice wake-up and command recognition front-ends.

Consumer & Educational Electronics: The TMS320C5517AZCHA20 is found in electronic musical instrument effects, language learning machines, smart toy voice processing.

TMS320C5517AZCHA20 Key Advantages

200MHz High Speed + Ultra-Low Power: Compared to 100MHz models in the same family, the TMS320C5517AZCHA20 delivers double the computing performance while maintaining the C55x core's extremely low active and standby power consumption, making it ideal for high-performance battery-powered DSP applications.

Rich Audio & Storage Interfaces: Two McBSP ports of the TMS320C5517AZCHA20 can be configured as I2S, simultaneously connecting digital microphones or audio codecs; the MMC/SD controller supports booting from SD card and file system storage, simplifying system design.

Hardware FFT Accelerator: The TMS320C5517AZCHA20's built-in FFT coprocessor significantly speeds up spectrum analysis, audio noise reduction, vibration detection, and other algorithms while freeing the DSP core for other control tasks.

USB 2.0 High-Speed Communication: The integrated USB 2.0 controller of the TMS320C5517AZCHA20 enables high-speed data exchange with a PC or mobile platform as a device, or can act as a host to read external USB drives or connect USB audio devices.

On-Chip LDO Simplifies Power Design: The TMS320C5517AZCHA20 integrates an LDO that reduces the complexity of external power circuitry, lowering BOM cost and PCB area, and accelerating the product design cycle.

Mature Development Ecosystem: The TMS320C5517AZCHA20 is supported by free Code Composer Studio (CCS) IDE and DSP/BIOS real-time operating system, along with extensive application notes and reference designs, significantly shortening development cycles.

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FAQ

1. How does the TMS320C5517AZCHA20 differ from the TMS320C5505?
   
   • The TMS320C5517AZCHA20 runs at 200MHz, double the 100MHz of the C5505, offering higher processing performance.
   • The TMS320C5517AZCHA20 has 128KB SRAM vs. 320KB on the C5505; the TMS320C5517AZCHA20 integrates an on-chip LDO for simplified power design, while the C5505 does not.
   • Both the TMS320C5517AZCHA20 and the C5505 feature USB 2.0, McBSP/I2S, MMC/SD, FFT accelerator, and 10-bit ADC, in pin-compatible NFBGA-196 packages.
2. What is the power consumption like? Can it be battery-powered?
   
   • The C55x core of the TMS320C5517AZCHA20 is optimized for ultra-low-power operation, consuming very little power at 200MHz and supporting multiple low-power modes including IDLE and STANDBY.
   • The built-in LDO of the TMS320C5517AZCHA20 further simplifies the power tree, making it ideal for battery-powered portable audio devices, wearable medical terminals, and outdoor sensor nodes.
3. How many audio interfaces does it have? Can it connect to multiple audio devices simultaneously?
   
   • The TMS320C5517AZCHA20 provides 2 multi-channel buffered serial ports (McBSP), both configurable as I2S, supporting full-duplex audio streaming.
   • It can simultaneously connect to a digital microphone array and speakers, meeting the needs of multi-channel audio capture and playback.
4. How useful is the hardware FFT accelerator?
   
   • The hardware FFT accelerator of the TMS320C5517AZCHA20 can reduce the computation time for 256-point or 512-point FFTs by several times, significantly lowering the CPU load.
   • For applications requiring real-time spectrum display, audio noise reduction, or vibration frequency monitoring, the hardware accelerator in the TMS320C5517AZCHA20 is essential for achieving real-time processing.
5. Can it run Linux or an RTOS?
   
   • The TMS320C5517AZCHA20 is a DSP, not an application processor targeting Linux. TI provides the DSP/BIOS real-time operating system for the TMS320C5517AZCHA20, suitable for deterministic, low-latency signal processing tasks.
   • For systems requiring both Linux and DSP algorithms, consider TI's DaVinci or OMAP series heterogeneous processors.
6. What tools and software are needed for development?
   
   • Use TI's free Code Composer Studio (CCS) IDE for development and debugging. The TMS320C5517AZCHA20 is fully supported by CCS and TI's DSP/BIOS environment.
   • Hardware debuggers such as the XDS100 or XDS200 series are recommended, supporting JTAG in-circuit programming and real-time debugging.
   • TI provides extensive DSP function libraries (including FFT, FIR/IIR, LMS, etc.) to quickly build algorithm prototypes for the TMS320C5517AZCHA20.
7. What boot modes does the chip support?
   
   • The TMS320C5517AZCHA20 supports multiple boot modes, including SPI Flash, I2C EEPROM, MMC/SD card, and USB, offering high flexibility.
   • The most suitable boot medium can be selected based on product requirements, simplifying the mass-production programming process.
8. What is the resolution of the on-chip ADC? Can it be used for high-precision sampling?
   
   • The on-chip ADC of the TMS320C5517AZCHA20 is a 10-bit SAR type with 4 channels, suitable for auxiliary functions such as keypad detection and battery voltage monitoring.
   • If high-precision audio or sensor sampling is required, it is recommended to use external dedicated ADCs connected via I2S or SPI to the TMS320C5517AZCHA20.
9. Is the USB interface High-Speed 2.0? Can it act as a Host?
   
   • Yes, the TMS320C5517AZCHA20 integrates a USB 2.0 High-Speed controller, supporting both Device and Host modes.
   • In Host mode, the TMS320C5517AZCHA20 can directly connect to USB drives, USB audio devices, or USB Bluetooth adapters, facilitating storage expansion and wireless connectivity.
10. What are the upgrade options if I need higher DSP performance?
    
    • For higher performance than the TMS320C5517AZCHA20, within the same family, consider the TMS320C5515, which integrates more memory and an LCD controller.
    • For floating-point operations and higher clock speeds, TI's TMS320C674x series or 66AK2Gx series heterogeneous processors are worth considering.