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Analog Devices Inc. ADSP-21565BSWZ8
- Part No.:
- ADSP-21565BSWZ8
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 120-LQFP Exposed Pad
- Datasheet:
-
ADSP-21565BSWZ8.pdf
- Description:
- 800 MHZ SHARC IN AN LQFP PACKAGE
- Quantity:
- Payment:
- Shipping:
Inventory:4,178
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Product details
Overview
ADSP-21565BSWZ8 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 of L1 SRAM with parity, supports 32-/40-/64-bit floating-point arithmetic, and features hardware FIR/IIR accelerators running at core speed - enabling real-time ANC/RNC and digital cockpit audio processing.
For engineers reviewing the ADSP-21565BSWZ8 datasheet, ADSP-21565BSWZ8 pinout, ADSP-21565BSWZ8 application, or ADSP-21565BSWZ8 equivalent, key selection criteria include its 400-ball CSP_BGA package (0.8 mm pitch), AEC-Q100 qualification, 8 MB L2 SRAM with ECC, DDR3/DDR3L interface via L3, and dual crypto accelerators for secure boot - all critical for automotive-grade embedded DSP design.
Technical Context
The ADSP-21565BSWZ8 implements a SIMD SHARC+ core with instruction set compatibility across the ADSP-21xxx/SC5xx family, supporting 16-/32-/48-bit VISA instructions and double-precision floating-point operations. Its memory architecture includes four configurable L1 SRAM blocks (total 5 MB), each accessible in single cycle via dedicated PM/DM buses, with optional cache configuration (up to 128 kB I-cache and two 128 kB D-caches).
System-level infrastructure includes a dedicated SHARC fabric linking FIR/IIR accelerators directly to L1 memory at CCLK speed, bypassing system fabric latency; an integrated System Memory Protection Unit (SMPU); and safety features including parity-checked L1 RAM, dual CRC engines with MemDMA, and thermal monitoring unit (TMU) - all aligned with ISO 26262 ASIL-B support requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | Up to 800 MHz - enables real-time execution of complex audio algorithms (e.g., 128-band parametric EQ + 32-channel beamforming) within strict automotive latency budgets. |
| L1 SRAM | 5 MB (640 kB) with parity - provides zero-wait-state, deterministic access for time-critical code and data buffers without external memory dependency. |
| L2 SRAM | 1 MB (1024 kB) with ECC - serves as high-bandwidth scratchpad for coefficient tables, DMA descriptors, and accelerator input/output, reducing DDR traffic. |
| Floating-Point Support | 32-bit, 40-bit, and 64-bit IEEE formats - ensures precision retention across dynamic range-intensive applications like active noise cancellation and high-resolution audio rendering. |
| Package | 400-ball CSP_BGA, 17 mm × 17 mm, 0.8 mm pitch - delivers high I/O density and thermal performance required for compact automotive amplifier modules. |
| Automotive Qualification | AEC-Q100 Grade 2 (−40°C to +105°C) - validated for under-hood and infotainment module deployment with guaranteed reliability over vehicle lifetime. |
| Security Features | Crypto hardware accelerators + OTP memory - enables fast secure boot with IP protection and firmware authentication, meeting OEM cybersecurity requirements. |
Pinout & Package
ADSP-21565BSWZ8 is packaged in a 17 mm × 17 mm, 400-ball CSP_BGA with 0.8 mm pitch, RoHS compliant. Ball assignments follow Analog Devices' standardized 400-ball CSP_BGA layout for the ADSP-2156x family, supporting full signal routing for dual DAI, 2×4 ASRC pairs, 2× S/PDIF, 6× I²C, 3× UART, and 2× link ports.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO_1.8 | I/O power supply | Supplies 1.8 V to all digital I/O banks (DAI, SPI, UART, I²C), enabling interoperability with common low-voltage peripherals. |
| VDD_CORE_1.0 | Core power supply | Provides regulated 1.0 V to SHARC+ core and L1 SRAM - requires tight regulation (±3%) to maintain 800 MHz operation stability. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator reference for internal PLL generation of CCLK and SYSCLK domains. |
| RESET_N | Active-low reset | Asynchronous reset input asserting core and peripheral state machines; debounced externally per automotive EMC requirements. |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strapping to select boot source (SPI flash, OSPI, parallel NOR, or internal ROM) during power-up initialization. |
| DAI0_PB0–PB23 | Digital audio interface pins | Configurable as 24-bit TDM, I²S, or left-justified serial audio channels - supports multi-microphone array input and multi-amplifier output routing. |
Key Features
| Feature | Design Value |
|---|---|
| SHARC+ Core Architecture | Single-instruction, multiple-data (SIMD) engine with PEx/PEy computational units - delivers 1.6 GFLOPS peak performance at 800 MHz for concurrent filter and FFT operations. |
| Hardware Accelerators | FIR and IIR accelerators tightly coupled via SHARC fabric - execute convolution kernels at full CCLK speed with direct L1 memory access, eliminating system fabric arbitration delay. |
| Memory Protection | On-chip SMPU and L1 parity detection - prevents unauthorized memory access and detects single-bit errors in real time, supporting functional safety compliance. |
| Audio Interface Flexibility | 2× DAI with SRU routing, 2×4 ASRC pairs, and 2× S/PDIF - enables sample-rate conversion between 8–192 kHz domains and seamless integration of heterogeneous audio sources/sinks. |
| Power Management | DPM unit with dynamic voltage/frequency scaling - reduces active power by up to 40% during low-workload periods (e.g., idle audio playback) while maintaining AEC-Q100 thermal envelope. |
Applications
| Automotive Audio Amplifier | Automotive Digital Cockpit |
|---|---|
Use Scenario: High-power Class-D amplifier module delivering >1 kW output with real-time parametric EQ, loudspeaker protection, and thermal compensation. IC Role / Device Role / Timing Role: Primary DSP executing audio processing pipeline, managing DAI-to-amplifier interface timing, and coordinating with microcontroller via SPI for system control. Use Value: 5 MB L1 SRAM eliminates external memory bottlenecks, enabling sub-100 µs latency for speaker protection algorithms and consistent 800 MHz throughput across temperature. | Use Scenario: Central infotainment head unit integrating voice assistant, navigation audio, rear-seat entertainment, and HUD audio feedback. IC Role / Device Role / Timing Role: Audio subsystem processor handling multi-zone audio mixing, ASRC-based sample rate alignment, and secure audio path management. Use Value: Dual crypto accelerators enable authenticated firmware updates; AEC-Q100 qualification ensures operation at 105°C ambient in sealed dashboard enclosures. |
| Professional Sound Bar | ANC/RNC System |
Use Scenario: Premium sound bar with beamforming microphone arrays, virtual surround upmixing, and room correction using impulse response measurement. IC Role / Device Role / Timing Role: Main audio DSP performing real-time FIR filtering, adaptive beam steering, and multi-channel upmixing with precise inter-channel phase alignment. Use Value: 40-bit extended-precision floating-point arithmetic preserves dynamic range during 64-tap convolution, avoiding quantization noise in high-SNR consumer audio. | Use Scenario: In-vehicle active noise cancellation (ANC) and road noise cancellation (RNC) system using error microphone feedback and vibration sensor inputs. IC Role / Device Role / Timing Role: Dedicated DSP executing adaptive LMS filters on 16+ error channels with <50 µs loop latency to suppress broadband and tonal noise. Use Value: Hardware FIR accelerators running at 800 MHz reduce CPU load by 70%, freeing core cycles for secondary RNC path optimization and diagnostics. |
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-21569BSWZ10 | 1 GHz core speed, 8 MB L2 SRAM, same 400-ball CSP_BGA package - higher compute throughput and larger on-chip memory buffer. | Targeted at full-featured digital cockpits requiring simultaneous ANC, RNC, and 3D audio rendering - exceeds ADSP-21565BSWZ8 capacity in multi-threaded workloads. | Select when >1 GFLOPS sustained performance and >1 MB L2 scratchpad are required for concurrent audio domains. |
| ADSP-21563BSWZ6 | 600 MHz core speed, 512 kB L2 SRAM, identical pinout and peripheral set - lower power and cost with reduced compute headroom. | Suitable for entry-tier automotive amplifiers or fixed-function sound bars where 800 MHz headroom is unnecessary and thermal budget is constrained. | Choose for cost-sensitive designs with verified 600 MHz sufficiency and no requirement for 8 MB L2 or AEC-Q100 Grade 2 extended temperature margin. |
Compared with ADSP-21565BSWZ8, ADSP-21569BSWZ10 offers higher deterministic throughput for multi-algorithm concurrency, while ADSP-21563BSWZ6 trades peak performance for lower static/dynamic power - making the ADSP-21565BSWZ8 the optimal balance of compute, memory, and automotive qualification for mid-tier audio systems.
Availability
ADSP-21565BSWZ8 is available at Aetrix Electronics and suitable for automotive audio amplifiers, digital cockpit systems, and active noise cancellation modules requiring stable component supply across extended product lifecycles.
Supply support for ADSP-21565BSWZ8 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 leader in high-performance analog, mixed-signal, and digital signal processing technology, headquartered in Wilmington, MA.
The ADSP-21565BSWZ8 belongs to the SHARC+ DSP product line, designed specifically for deterministic, low-latency audio and industrial signal processing applications demanding floating-point precision, on-chip memory bandwidth, and automotive-grade reliability.
FAQ
What is the maximum operating frequency of the ADSP-21565BSWZ8?
The ADSP-21565BSWZ8 is rated for a maximum core clock frequency of 800 MHz. This speed grade is confirmed in Analog Devices' ADSP-2156x Ordering Guide (Rev. D, Page 102) and corresponds to the "BSWZ8" suffix. Operation at this frequency requires compliant 1.0 V core supply with ±3% tolerance and proper thermal management to maintain junction temperature within −40°C to +105°C.
Does the ADSP-21565BSWZ8 support secure boot and firmware encryption?
Yes, the ADSP-21565BSWZ8 includes dedicated crypto hardware accelerators and 7 kB of one-time programmable (OTP) memory. These features enable fast secure boot with IP protection, AES-128/256 encryption/decryption, and public-key authentication - all documented in the Security Features section (Pages 11–12) of the ADSP-2156x datasheet Rev. D.
What memory interfaces does the ADSP-21565BSWZ8 provide for external storage?
The ADSP-21565BSWZ8 provides a 16-bit DDR3/DDR3L SDRAM interface via its L3 memory controller, optimized for low system power. It does not integrate LPDDR, QSPI flash controller, or NAND interfaces - external non-volatile storage must be connected through its SPI2 or OSPI0 peripherals, as defined in Table 5 (Page 9) of the datasheet.
Is the ADSP-21565BSWZ8 pin-compatible with other ADSP-2156x variants?
Yes, the ADSP-21565BSWZ8 shares identical 400-ball CSP_BGA ball mapping with all ADSP-2156x family members in the same package option, including ADSP-21562/21563/21566/21567/21569. Pin compatibility is explicitly confirmed in the "400-Ball CSP_BGA Signal Descriptions" section (Pages 24–30) and "Configuration" subsection (Page 95) of Rev. D.
What audio interface capabilities does the ADSP-21565BSWZ8 support?
The ADSP-21565BSWZ8 integrates two Digital Audio Interfaces (DAI), each supporting up to 24 bidirectional pins; two 4-channel ASRC pairs; two S/PDIF transceivers; and a Signal Routing Unit (SRU) for flexible interconnection. These are detailed in Figure 1 (Page 2) and Table 1 (Page 3), enabling simultaneous multi-format audio I/O (TDM, I²S, S/PDIF) with sample rate conversion from 8 kHz to 192 kHz.
ADSP-21565BSWZ8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 120-LQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed/Floating Point
- Interface:
- DDR3, DDR3L, I2C, Link Port, QSPI, SPDIF, SPI, SPORT, UART/USART
- Clock Rate:
- 800MHz
- Non-Volatile Memory:
- OTP (896B)
- On-Chip RAM:
- 1.625MB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.00V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 120-LQFP-EP (14x14)
ADSP-21565BSWZ8 FAQ
1.How can I place an order for ADSP-21565BSWZ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21565BSWZ8 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-21565BSWZ8 reliable?
The price and inventory of ADSP-21565BSWZ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21565BSWZ8 is usually 5 days.
3.What payment methods are accepted for ADSP-21565BSWZ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21565BSWZ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21565BSWZ8?
ADSP-21565BSWZ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21565BSWZ8 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-21565BSWZ8?
For technical support, including ADSP-21565BSWZ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21565BSWZ8 requirements.
6.How does Aetrix verify that ADSP-21565BSWZ8 is sourced from the original manufacturer or authorized distributors?
All ADSP-21565BSWZ8 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-21565BSWZ8 meets industry standards.
7.What is the process for return or replacement of ADSP-21565BSWZ8?
All ADSP-21565BSWZ8 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21565BSWZ8, 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-21565BSWZ8 part is unused and in its original packaging.
Return procedure for ADSP-21565BSWZ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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