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ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88
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ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88

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ADSP-21479KCPZ-1A Product Overview

The ADSP-21479KCPZ-1A is a high-performance 32-bit floating-point SHARC digital signal processor from Analog Devices, supplied in an LFCSP-88 package. Operating over the commercial temperature range of 0°C to +70°C, the ADSP-21479KCPZ-1A features a fourth-generation SHARC core running at 266 MHz, delivering up to 1064 MFLOPS peak floating-point performance for demanding audio, industrial control, and high-speed measurement algorithms. The ADSP-21479KCPZ-1A integrates 5 Mbit of internal SRAM (3 Mbit program RAM + 2 Mbit data RAM) and provides an external memory interface supporting 16-bit SDRAM, asynchronous SRAM, and FLASH expansion for large programs and data buffers. Peripherals include four SPORT serial interfaces (compatible with I2S, TDM, and other audio protocols), two SPI ports, a UART, 16 general-purpose I/O pins, and multiple timers. With ADI’s VisualDSP++ or CrossCore Embedded Studio development environment, engineers can quickly develop and debug algorithms. The ADSP-21479KCPZ-1A is widely used in professional audio effects, automotive audio DSP, instrumentation, and a variety of embedded signal processing systems requiring high-speed floating-point computation.


ADSP-21479KCPZ-1A Core Features

Processor Core: The ADSP-21479KCPZ-1A features a 4th-gen SHARC 32-bit floating-point DSP, 266 MHz (3.75 ns cycle).

Floating-Point Performance: The ADSP-21479KCPZ-1A delivers up to 1064 MFLOPS peak.

Internal Memory: The ADSP-21479KCPZ-1A provides 5 Mbit SRAM (3 Mbit program RAM + 2 Mbit data RAM).

External Memory Interface: The ADSP-21479KCPZ-1A supports 16-bit SDRAM, async SRAM, FLASH.

Serial Peripherals: The ADSP-21479KCPZ-1A includes 4× SPORT (I2S/TDM capable), 2× SPI.

Other Peripherals: The ADSP-21479KCPZ-1A offers UART, 16 GPIOs, timers.

DMA Controller: The ADSP-21479KCPZ-1A incorporates a multi-channel DMA for efficient data transfer.

Power Supply: The ADSP-21479KCPZ-1A operates with 1.2 V core / 3.3 V I/O.

Package: The ADSP-21479KCPZ-1A comes in an LFCSP-88 (12×12 mm).

Temperature Range: The ADSP-21479KCPZ-1A operates over 0°C to +70°C (commercial).


ADSP-21479KCPZ-1A Applications

Professional Audio Processing: The ADSP-21479KCPZ-1A excels in digital reverbs, multi-band equalizers, dynamics processors, and guitar effects.

Automotive Audio DSP: The ADSP-21479KCPZ-1A handles active noise cancellation, multi-channel audio signal processing, and engine noise elimination.

Industrial Instrumentation: The ADSP-21479KCPZ-1A enables real-time spectral analysis, vibration monitoring, harmonic measurement, and industrial control.

Medical Equipment: The ADSP-21479KCPZ-1A supports portable ultrasound, ECG/EEG signal processing front ends (indoor environments).

General Floating-Point DSP: The ADSP-21479KCPZ-1A is ideal for control and data acquisition systems requiring high-speed floating-point computation.


ADSP-21479KCPZ-1A Key Advantages

High-Speed Floating-Point Power: The ADSP-21479KCPZ-1A's 266 MHz SHARC core delivers 1064 MFLOPS for complex algorithms.

Large On-Chip SRAM: The ADSP-21479KCPZ-1A's 5 Mbit internal memory reduces reliance on external memory.

Flexible External Memory: The ADSP-21479KCPZ-1A's SDRAM/FLASH interface suits large programs and data buffers.

Audio-Optimized Interfaces: The ADSP-21479KCPZ-1A provides 4 SPORTs with I2S/TDM directly connecting to multiple ADCs/DACs/codecs.

Rich Serial Peripherals: The ADSP-21479KCPZ-1A's dual SPI + UART enable easy connectivity to MCUs or wireless modules.

Easy Development: The ADSP-21479KCPZ-1A is supported by VisualDSP++/CrossCore Studio providing a complete toolchain and optimized libraries.

Classic SHARC Family: The ADSP-21479KCPZ-1A is a mature 4th-gen architecture with proven global deployment and stable supply.


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ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS 5Mb SRAM SPORT SPI LFCSP-88 ADSP-21479KCPZ-1A ADI SHARC Floating-Point DSP 266MHz 1064MFLOPS SPORT SPI LFCSP-88




FAQ:

  1. How does the ADSP-21479KCPZ-1A differ from the 21488 and 21489? Which one should I choose?
    They share the same 4th-gen SHARC core and 5 Mbit SRAM. The ADSP-21479KCPZ-1A runs at 266 MHz (532 MFLOPS) in a compact LFCSP-88 package (12×12mm), while the 21488/21489 offer higher clock speeds (350–400 MHz) in a larger LQFP-176. Choose the ADSP-21479KCPZ-1A for space-constrained designs; choose the 21488/21489 for maximum processing power when PCB area is not a concern.

  2. What can 532 MFLOPS actually do? Is it enough for reverb and EQ?
    Absolutely. The ADSP-21479KCPZ-1A can simultaneously run multi-band parametric EQ, stereo reverb, delay, and dynamics compression, plus handle I2S data streaming to and from codecs. It is more than sufficient for stompboxes, small mixers, and powered speaker DSP.

  3. Is the LFCSP-88 package difficult to solder? How does it compare to LQFP?
    The LFCSP (QFN) of the ADSP-21479KCPZ-1A has an exposed thermal pad underneath and is best soldered with a hot-air station or reflow oven. However, at 12×12mm it uses approximately 75% less board area than the LQFP-176 (24×24mm). For compact products, the ADSP-21479KCPZ-1A's space saving is significant, and standard SMT processes ensure high reliability in production.

  4. Can I build a guitar effects pedal with this DSP? What kind of latency can I expect?
    Yes. The ADSP-21479KCPZ-1A's SHARC core with DMA-driven SPORTs can achieve ultra-low audio latency—typically a few tens of microseconds, well below human perception. Many commercial guitar processors are built on similar SHARC platforms.

  5. Does the ADSP-21479 have a built-in S/PDIF transceiver? How do I receive digital audio?
    No, the ADSP-21479KCPZ-1A does not integrate S/PDIF. You can pair it with an external S/PDIF receiver (e.g., CS8416, DIR9001) or an ADC connected via the SPORT interfaces. For native S/PDIF and ASRC, consider the ADAU146x SigmaDSP family.

  6. Where is the program stored? How does it boot?
    The ADSP-21479KCPZ-1A has no internal flash. An external SPI flash holds the program, and the ADSP-21479KCPZ-1A automatically boots from it at power-up, loading code into the internal 5 Mbit SRAM. This allows flexible flash capacity selection depending on firmware size.

  7. Can I use SigmaStudio with this DSP, or only CCES?
    SigmaStudio is exclusively for the SigmaDSP family. The ADSP-21479KCPZ-1A, belonging to the SHARC family, is developed using CrossCore Embedded Studio (CCES) or VisualDSP++ in C/C++ or assembly. ADI provides extensive DSP libraries and reference code to simplify development on the ADSP-21479KCPZ-1A.

  8. How many ADCs and DACs can the four SPORTs connect to simultaneously?
    In I2S mode, each SPORT of the ADSP-21479KCPZ-1A connects to one stereo device (two channels), giving a total of 8 audio channels. Using TDM8 mode, each SPORT can carry 8 channels, enabling up to 32 channels for multi-channel systems built around the ADSP-21479KCPZ-1A.

  9. What is the power consumption like? Is it suitable for battery-powered portable devices?
    SHARC power consumption scales with clock speed and resource usage. The ADSP-21479KCPZ-1A at 266 MHz consumes less than its 400 MHz siblings. With clock gating and sleep modes, it can stay in the hundreds of milliwatts range—suitable for portable recorders, wireless instrument transmitters, and other battery-operated equipment.

  10. I want to build an Active Noise Cancellation (ANC) system with the 21479. Are there reference designs available?
    ADI provides reference designs and algorithm libraries specifically for ANC. The ADSP-21479KCPZ-1A's floating-point precision and computational power are well suited for hybrid feedforward/feedback ANC systems requiring adaptive filtering and complex modeling. Contact ADI for relevant application notes and technical support.

Property:
Specification
Product Type:
SHARC 32-bit Floating-Point DSP
Brand:
Analog Devices
Processor Core:
4th-gen SHARC, 266 MHz (3.75 ns cycle)
Floating-Point Performance:
1064 MFLOPS peak
Internal SRAM:
5 Mbit (3 Mbit program + 2 Mbit data)
External Memory Interface:
Supports 16-bit SDRAM/async SRAM/FLASH
Serial Interfaces:
4× SPORT (I2S/TDM), 2× SPI
Package:
LFCSP-88 (12×12 mm)
Temperature:
0°C to +70°C
Power Supply:
1.2 V core / 3.3 V I/O
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