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Analog Devices Inc. ADSP-21566BBCZ4
- Part No.:
- ADSP-21566BBCZ4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 400-LBGA, CSPBGA
- Datasheet:
-
ADSP-21566BBCZ4.pdf
- Description:
- 400 MHZ SHARC WITH DDR IN A BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,921
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Product details
Overview
ADSP-21566BBCZ4 from Analog Devices is a SHARC+ single-core floating-point DSP engineered for high-performance audio and signal processing in automotive and professional audio systems. It operates at up to 800 MHz, integrates 5 Mb (640 kB) L1 SRAM with parity, supports 32-/40-/64-bit floating-point arithmetic, and features dual ASRCs, 2× full SPORTs, and hardware FIR/IIR accelerators running at core speed. It targets real-time ANC/RNC, digital cockpit audio processing, and multichannel speaker management.
For engineers reviewing the ADSP-21566BBCZ4 datasheet, ADSP-21566BBCZ4 pinout, ADSP-21566BBCZ4 application, or ADSP-21566BBCZ4 equivalent, key selection criteria include its 800 MHz SHARC+ core frequency, 400-ball CSP_BGA package (0.8 mm pitch), AEC-Q100 qualification, integrated crypto accelerators, and DDR3L interface via L3 - all critical for deterministic low-latency audio control in safety-conscious automotive ECUs.
Technical Context
The ADSP-21566BBCZ4 implements a SIMD SHARC+ core with two parallel processing elements (PEx/PEy), each supporting IEEE 32-/64-bit FP and 40-bit extended-precision operations in single-cycle execution. Its memory subsystem includes four configurable L1 SRAM blocks (total 5 Mb) with parity, where up to 1 Mb per block can be assigned as instruction cache, data memory, or program memory.
System-level integration includes a dedicated SHARC fabric enabling direct L1 access by FIR/IIR accelerators at CCLK speed, a 16-bit DDR3/DDR3L controller via L3 interface, and a safety-oriented infrastructure with ECC-protected 8 Mb L2 SRAM, system memory protection unit (SMPU), and fault management unit (FMU) - all aligned with ISO 26262 ASIL-B support requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | SHARC+ single-core SIMD processor with PEx/PEy parallel execution units and branch prediction |
| Max Core Frequency | 800 MHz - enables real-time execution of >10,000 MIPS / >3,000 MFLOPS audio algorithms |
| L1 Memory | 5 Mb (640 kB) SRAM with parity - configurable as cache or SRAM; supports single-cycle core access |
| L2 Memory | 1024 kB SRAM with ECC - used for coefficient storage, DMA descriptors, and accelerator buffers |
| Memory Interface | 16-bit DDR3/DDR3L via L3 interface - reduces external memory bandwidth demand and power |
| Digital Audio Peripherals | 2× full SPORTs, 2×4 ASRC pairs, 2×2 precision clock generators - supports multichannel sample-rate conversion and synchronized I/O |
| Security & Safety | Crypto hardware accelerators + fast secure boot + AEC-Q100 Grade 2 qualification - meets automotive functional safety and IP protection needs |
Pinout & Package
ADSP-21566BBCZ4 is packaged in a 17 mm × 17 mm, 400-ball CSP_BGA with 0.8 mm pitch, RoHS compliant. This package supports high-density routing for automotive PCBs while maintaining thermal performance across −40°C to +105°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO_1.8 | I/O Power Supply | Supplies 1.8 V to GPIO, SPORT, SPI, UART, and I²C interfaces; requires local decoupling |
| VDD_CORE | Core Power Supply | Delivers regulated 0.95 V to SHARC+ core; sensitive to ripple - mandates tight tolerance regulation |
| CLKIN | Reference Clock Input | Accepts 1–50 MHz crystal or LVDS clock; feeds CGU for internal PLL generation of CCLK/SYSCLK |
| RESET_N | Active-Low Reset | Synchronous deassertion required after power stabilization; initiates boot sequence from L2 ROM or external flash |
| BOOT_CFG[2:0] | Boot Mode Configuration | 3-pin strapping input determining boot source (SPI2, OSPI0, or L2 ROM); latched at reset release |
| DAI_PB0–PB23 | Digital Audio Interface Pins | Configurable as SPORT, S/PDIF, or ASRC I/O; support TDM, I²S, and left-justified formats up to 192 kHz |
Key Features
| Feature | Design Value |
|---|---|
| FIR/IIR Hardware Accelerators | Run at full 800 MHz CCLK; offload core from filter computation - enabling concurrent audio path processing and control tasks |
| ASRC Pairs (2×4) | Support independent asynchronous sample-rate conversion between up to 8 input/output streams - essential for mixed-clock-domain audio systems |
| Secure Boot with OTP Key Storage | 7 kB one-time programmable memory stores cryptographic keys; enforces authenticated firmware loading before core execution |
| System Crossbar & DMA Subsystem | Enables concurrent L1/L2/DDR transfers without CPU intervention - sustains >2 GB/s aggregate memory bandwidth |
| AEC-Q100 Grade 2 Qualification | Validated for operation from −40°C to +105°C ambient; includes HTOL, TC, and ESD testing per automotive reliability standards |
Applications
| Automotive ANC/RNC | Digital Cockpit Audio Hub |
|---|---|
Use Scenario: Real-time feedforward/feedback noise cancellation in vehicle cabins using microphone arrays and multi-zone speaker outputs. IC Role / Device Role / Timing Role: Primary DSP executing adaptive LMS filters, ASRC synchronization, and low-latency I/O buffering - timing-critical loop closure within ≤50 µs. Use Value: Enables >30 dB broadband noise reduction at 800 MHz core speed with dedicated FIR accelerators, eliminating need for external co-processors. | Use Scenario: Centralized audio processing node aggregating inputs from infotainment, telematics, and ADAS systems for spatial rendering and voice enhancement. IC Role / Device Role / Timing Role: High-throughput audio router and mixer with 2× full SPORTs, 2×4 ASRCs, and 2× S/PDIF - maintains sample-accurate sync across 16+ channels. Use Value: Reduces BOM count by integrating multichannel conversion, mixing, and effects processing into single AEC-Q100 qualified device. |
| Professional Sound Bar DSP | Industrial Audio Analytics Edge Node |
Use Scenario: Compact sound bar implementing beamforming, room correction, and virtual surround using MEMS microphone inputs and multi-driver outputs. IC Role / Device Role / Timing Role: Real-time acoustic modeling engine with 4-channel HADC, 24-bit precision, and 192 kHz capability - handles impulse response convolution and dynamic EQ. Use Value: Leverages 5 Mb L1 SRAM for large FIR coefficient tables and 64-bit floating-point for ultra-low distortion (<−110 dB THD+N). | Use Scenario: Factory-floor acoustic monitoring system detecting mechanical faults via spectral analysis of vibration signatures captured from industrial sensors. IC Role / Device Role / Timing Role: Standalone FFT and feature extraction processor with 10× timers for sensor trigger alignment and thermal monitor unit (TMU) for environmental derating. Use Value: Uses on-chip 8 Mb L2 ECC SRAM to store time-series buffers and ML inference weights - avoids external DRAM and associated reliability risks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-21569BBCZ4 | 1 GHz core speed, 1024 kB L2 SRAM, 6× I²C, 3× UARTs, 40 GPIO pins - higher compute headroom and peripheral count | Better suited for full-featured digital cockpit with multiple display/audio zones and OTA update handling | Select when >800 MHz sustained throughput or additional serial peripherals are required |
| ADSP-21565BBCZ4 | 800 MHz core, 512 kB L2 SRAM, 4× I²C, 2× UARTs, 22 GPIO pins - reduced memory and I/O count vs. ADSP-21566BBCZ4 | Targeted at cost-sensitive ANC modules with fixed-function audio paths and minimal host interface | Select when L2 memory budget is constrained and only basic DAI/SPI/UART functionality is needed |
Compared with ADSP-21566BBCZ4, ADSP-21569BBCZ4 delivers 25% higher peak compute and expanded I/O for scalable cockpit platforms, while ADSP-21565BBCZ4 trades L2 capacity and peripheral count for lower BOM cost in dedicated noise-cancellation subsystems - all share identical 400-ball CSP_BGA footprint and software compatibility.
Availability
ADSP-21566BBCZ4 is available at Aetrix Electronics and suitable for automotive audio amplifier modules, digital cockpit head units, and professional sound bar designs requiring stable component supply and long-term industrial availability.
Supply support for ADSP-21566BBCZ4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and DSP technologies for precision signal processing applications.
The ADSP-21566BBCZ4 belongs to the SHARC+ family - designed specifically for deterministic, low-latency floating-point audio and industrial signal processing where real-time performance, memory bandwidth, and functional safety are critical.
FAQ
What is the maximum operating frequency of the ADSP-21566BBCZ4?
The ADSP-21566BBCZ4 is rated for a maximum core frequency of 800 MHz under automotive temperature conditions (−40°C to +105°C). This speed grade is confirmed in Analog Devices' official ordering guide and supported by its internal PLL and voltage regulator design. The ADSP-21566BBCZ4 achieves this performance while maintaining full instruction set compatibility with earlier SHARC processors and delivering >3,000 MFLOPS in sustained floating-point workloads.
Does the ADSP-21566BBCZ4 support DDR3L memory interfacing?
Yes, the ADSP-21566BBCZ4 includes a dedicated 16-bit DDR3/DDR3L controller accessible via its L3 memory interface. This interface operates at up to 533 MT/s and supports JEDEC-compliant DDR3L-1066 devices with on-die termination and auto-refresh. The ADSP-21566BBCZ4 uses this interface to extend usable memory bandwidth beyond on-chip SRAM, enabling large coefficient tables and real-time buffer staging without external bus contention.
Is the ADSP-21566BBCZ4 pin-compatible with other ADSP-2156x variants?
Yes, the ADSP-21566BBCZ4 shares identical 400-ball CSP_BGA pinout and package dimensions (17 mm × 17 mm, 0.8 mm pitch) with all other ADSP-2156x members offered in that package option, including ADSP-21565BBCZ4 and ADSP-21569BBCZ4. Signal assignments, power domains, and thermal pad layout are fully consistent - enabling drop-in replacement during design iteration or volume ramp, provided voltage and timing constraints are met.
What security features does the ADSP-21566BBCZ4 provide for firmware protection?
The ADSP-21566BBCZ4 integrates crypto hardware accelerators (AES-128/256, SHA-256, RSA), a 7 kB one-time programmable (OTP) memory for key storage, and fast secure boot with signature verification. During boot, the ADSP-21566BBCZ4 validates firmware authenticity using keys stored in OTP before releasing the core from reset - preventing unauthorized code execution and ensuring IP confidentiality in automotive and professional audio deployments.
Which audio interface standards does the ADSP-21566BBCZ4 support natively?
The ADSP-21566BBCZ4 natively supports I²S, left-justified, right-justified, and TDM formats through its 2× full SPORTs and 2×4 ASRC pairs. It also provides 2× S/PDIF Rx/Tx channels with jitter-tolerant receivers and 2×2 precision clock generators for independent domain synchronization. These interfaces operate at sample rates up to 192 kHz with 24-bit resolution, meeting requirements for premium automotive audio and studio-grade consumer equipment.
ADSP-21566BBCZ4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- ADSP-21xx
- Package/Case:
- 400-LBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed/Floating Point
- Interface:
- DDR3, DDR3L, I2C, Link Port, QSPI, SPDIF, SPI, SPORT, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- OTP (896B)
- On-Chip RAM:
- 896kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.00V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 400-CSPBGA (17x17)
ADSP-21566BBCZ4 FAQ
1.How can I place an order for ADSP-21566BBCZ4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21566BBCZ4 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADSP-21566BBCZ4 reliable?
The price and inventory of ADSP-21566BBCZ4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21566BBCZ4 is usually 5 days.
3.What payment methods are accepted for ADSP-21566BBCZ4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21566BBCZ4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21566BBCZ4?
ADSP-21566BBCZ4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21566BBCZ4 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADSP-21566BBCZ4?
For technical support, including ADSP-21566BBCZ4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21566BBCZ4 requirements.
6.How does Aetrix verify that ADSP-21566BBCZ4 is sourced from the original manufacturer or authorized distributors?
All ADSP-21566BBCZ4 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADSP-21566BBCZ4 meets industry standards.
7.What is the process for return or replacement of ADSP-21566BBCZ4?
All ADSP-21566BBCZ4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21566BBCZ4, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADSP-21566BBCZ4 part is unused and in its original packaging.
Return procedure for ADSP-21566BBCZ4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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