ADSP-21569KBCZ8 ADI SHARC+ Dual-Core 32/40-bit Floating-Point DSP 800MHz Hardware Accelerators 8-Ch ASRC BGA-400

ADSP-21569KBCZ8 Product Overview

The ADSP-21569KBCZ8 from Analog Devices is a high-performance dual-core 32/40-bit floating-point digital signal processor (DSP) based on the SHARC+ architecture, engineered for professional audio, automotive sound, and industrial signal processing that demand extreme computational throughput and rich audio connectivity. The ADSP-21569KBCZ8 integrates two SHARC+ cores, each running at 800MHz, delivering massive parallel processing capability. On-chip 5Mbit of high-speed SRAM is complemented by an external DDR3/DDR3L memory interface for large program and data expansion. Peripherals include eight full-duplex serial ports (SPORTs), an eight-channel high-performance asynchronous sample rate converter (ASRC), an S/PDIF transceiver, hardware FIR/IIR/FFT accelerators, and an SDRAM controller. Packaged in a 400-ball BGA (17mm×17mm) with a commercial temperature range of 0°C to +70°C, the ADSP-21569KBCZ8 is ideal for complex multi-channel audio processing, active noise cancellation, and advanced signal conditioning.

ADSP-21569KBCZ8 Core Features

Processor Core: The ADSP-21569KBCZ8 features a dual-core 32/40-bit floating-point SHARC+ architecture, each core at 800MHz with SIMD engine.

On-Chip Memory: The ADSP-21569KBCZ8 provides 5Mbit of high-speed SRAM.

External Memory Interface: The ADSP-21569KBCZ8 supports 16/32-bit DDR3/DDR3L SDRAM for scalable memory expansion.

Hardware Accelerators: The ADSP-21569KBCZ8 incorporates built-in FIR, IIR, and FFT acceleration engines to offload signal processing tasks.

ASRC: The ADSP-21569KBCZ8 offers an 8-channel stereo high-performance asynchronous sample rate converter, up to 192kHz.

Serial Audio Ports: The ADSP-21569KBCZ8 includes 8 full-duplex SPORTs, supporting I2S, TDM, and left/right-justified protocols.

S/PDIF Transceiver: The ADSP-21569KBCZ8 integrates a professional-grade digital audio transceiver.

General-Purpose Connectivity: The ADSP-21569KBCZ8 provides SPI, TWI (I2C), UART, CAN, PWM, and GPIOs.

Package: The ADSP-21569KBCZ8 comes in a 400-ball BGA (17mm×17mm), commercial temperature range 0°C to +70°C.

Speed Grade: The ADSP-21569KBCZ8 is rated -8, each core at 800MHz.

ADSP-21569KBCZ8 Applications

Professional Audio: The ADSP-21569KBCZ8 excels in large digital mixing consoles, multi-channel audio matrices, studio effects, and amplifier DSP.

Automotive Audio: The ADSP-21569KBCZ8 handles high-end in-vehicle audio, active noise cancellation (ANC), engine harmonic elimination, and multi-zone sound.

Industrial Instrumentation: The ADSP-21569KBCZ8 is suitable for multi-channel real-time control, vibration analysis, and sensor array processing.

Medical Electronics: The ADSP-21569KBCZ8 supports biopotential signal acquisition, ultrasound beamforming, and medical imaging front ends.

High-End Consumer: The ADSP-21569KBCZ8 is used in flagship A/V receivers, 3D audio soundbars, and home theater systems.

Test & Measurement: The ADSP-21569KBCZ8 is ideal for dynamic signal analyzers and precision audio measurement equipment.

ADSP-21569KBCZ8 Key Advantages

Extreme Dual SHARC+ Performance: The ADSP-21569KBCZ8's two 800MHz cores deliver over 3.2 GFLOPS, effortlessly handling hundreds of audio channels and complex algorithms.

DDR3 Large Memory Expansion: The ADSP-21569KBCZ8 features a native DDR3/DDR3L interface that supports gigabytes of external memory for long delays, large buffers, and massive code.

Complete Audio Acceleration: The ADSP-21569KBCZ8 integrates hardware FIR/IIR/FFT and 8-channel ASRC on a single chip for filtering, rate conversion, and signal conditioning.

Rich Connectivity: The ADSP-21569KBCZ8 offers 8 SPORTs, S/PDIF, CAN, multiple SPI/I2C/UART for versatile system control and data transfer.

Commercial-Grade Value: Optimized for indoor 0°C to +70°C applications, the ADSP-21569KBCZ8 delivers top-tier performance with cost-effectiveness.

Mature Development Ecosystem: The ADSP-21569KBCZ8 is supported by CrossCore Embedded Studio with SHARC+ optimized audio libraries and multi-core development support.

Future-Ready Scalability: The ADSP-21569KBCZ8's dual-core architecture and DDR3 interface provide ample headroom for feature upgrades.

Compact BGA Package: The ADSP-21569KBCZ8's 17mm×17mm BGA-400 package balances high pin density and manageable PCB layout.

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FAQ

1. What is the ADSP-21569KBCZ8?
   The ADSP-21569KBCZ8 is a dual-core SHARC+ 32/40-bit floating-point DSP from Analog Devices, with each core running at 800MHz. It integrates 5Mbit SRAM, 8-channel ASRC, S/PDIF transceiver, hardware FIR/IIR/FFT accelerators, and a DDR3/DDR3L external memory interface for extremely demanding multi-channel audio and industrial signal processing.
2. What are the key specifications of the ADSP-21569KBCZ8?
   The ADSP-21569KBCZ8 features dual SHARC+ cores at 800MHz each; 5Mbit on-chip SRAM; 8 SPORTs (I2S/TDM), 2 SPI, UART, CAN, S/PDIF transceiver; 8-channel 192kHz ASRC; hardware FIR/IIR/FFT accelerators; 16/32-bit DDR3/DDR3L memory interface; 400-ball BGA package (17mm×17mm); operating temperature 0°C to +70°C.
3. What are the benefits of the dual-core SHARC+ architecture?
   Two independent 800MHz DSP cores can process different audio algorithms or tasks in parallel—for example, one core handles decoding and routing while the other performs noise cancellation and effects—greatly increasing system throughput and real-time performance for large channel-count audio systems.
4. Does it support external memory?
   Yes, the ADSP-21569KBCZ8 provides a 16-bit or 32-bit DDR3/DDR3L SDRAM interface, enabling expansion of external memory up to gigabytes for long delay lines, large code storage, or multi-channel data buffering.
5. What dedicated audio hardware does this DSP integrate?
   In addition to the DSP cores, the ADSP-21569KBCZ8 includes an 8-channel asynchronous sample rate converter (ASRC), an S/PDIF transceiver, and hardware FIR/IIR/FFT accelerators, eliminating the need for external chips for rate matching, digital audio I/O, and common signal processing acceleration.
6. What audio applications is the ADSP-21569KBCZ8 suitable for?
   The ADSP-21569KBCZ8 targets large professional mixing consoles, audio matrices, multi-track studio effects, high-end automotive audio systems with multi-channel ANC and engine noise cancellation, flagship A/V receivers, and immersive audio soundbars requiring extreme processing power.
7. What development tools are needed for the ADSP-21569?
   ADI’s CrossCore Embedded Studio (CCES) is the recommended IDE, offering C/C++ compilers, debugger, simulator, and SHARC+ optimized audio algorithm libraries with support for multi-core debugging and task management.
8. What is the operating temperature range of ADSP-21569KBCZ8?
   This specific model (K suffix) operates over the commercial temperature range of 0°C to +70°C, suitable for indoor equipment or adequately cooled enclosures. Other temperature grades are available for extended requirements.
9. How does the ADSP-21569 series compare to earlier SHARC DSPs like the ADSP-21489?
   The ADSP-21569KBCZ8 features a newer SHARC+ dual-core architecture, higher clock speed (800MHz vs 400MHz), DDR3 memory support, and additional peripherals (e.g., CAN), delivering several times the processing capability for next-generation high-performance audio and industrial systems.
10. What audio protocols are supported?
    All 8 SPORT ports support standard serial audio protocols including I2S, TDM, and left/right-justified, enabling direct connection to audio ADCs, DACs, and codecs. The integrated S/PDIF transceiver handles coaxial and optical digital audio signals.