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Analog Devices Inc. ADSP-21567KBCZ8
- Part No.:
- ADSP-21567KBCZ8
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 400-LBGA, CSPBGA
- Datasheet:
-
ADSP-21567KBCZ8.pdf
- Description:
- SHARC WITH DDR IN A BGA PKG 800
- Quantity:
- Payment:
- Shipping:
Inventory:103
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Product details
Overview
ADSP-21567KBCZ8 from Analog Devices is a SHARC+ single-core floating-point DSP engineered for high-performance audio and signal processing in automotive and professional systems. It operates at up to 800 MHz, integrates 5 Mb L1 SRAM with parity, supports 32-/40-/64-bit floating-point arithmetic, and features dual ASRCs, 2× full SPORTs, and hardware FIR/IIR accelerators - deployed in digital cockpit audio amplifiers and active noise cancellation (ANC) modules.
For engineers reviewing the ADSP-21567KBCZ8 datasheet, ADSP-21567KBCZ8 pinout, ADSP-21567KBCZ8 application, or ADSP-21567KBCZ8 equivalent, key selection criteria include its 800 MHz SHARC+ core speed, 400-ball CSP_BGA package with 0.8 mm pitch, AEC-Q100 qualification, DDR3L interface capability, and integrated crypto accelerators for secure boot.
Technical Context
The ADSP-21567KBCZ8 implements a SIMD SHARC+ core with two parallel processing elements (PEx/PEy), each supporting IEEE 32-/40-/64-bit floating-point and 32-bit fixed-point operations in single-cycle execution. Its memory subsystem includes four configurable L1 SRAM blocks (total 5 Mb) with parity, plus up to 8 Mb L2 SRAM with ECC - accessed via dedicated CCLK-domain buses to sustain simultaneous instruction fetch and dual-data transfers.
System-level integration includes a 16-bit DDR3/DDR3L controller (L3 interface), 2× DAI with SRU routing, 2×4 ASRC pairs, 3× UARTs, 6× I²C, and Arm CoreSight debug/trace. Safety and security are enforced through SMPU, SPU, FMU, dual CRC engines, thermal monitoring, and OTP-based secure boot - all validated for automotive temperature range operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | SHARC+ single-core SIMD processor with PEx/PEy computational units and branch prediction |
| Max Core Frequency | 800 MHz - enables real-time execution of complex audio algorithms like multi-band ANC/RNC at ≤100 µs latency |
| L1 Memory | 5 Mb (640 kB) SRAM with parity - configurable as cache or SRAM; supports byte/16-/32-/48-/64-bit addressing |
| L2 Memory | Up to 8 Mb SRAM with ECC - banked architecture allows concurrent DMA and core access without arbitration stalls |
| External Memory Interface | 16-bit DDR3/DDR3L controller (L3 interface) - reduces system BOM by eliminating external SDRAM PHY |
| Digital Audio Peripherals | 2× full SPORTs, 2×4 ASRC pairs, 2×2 precision clock generators, 2× S/PDIF Rx/Tx - supports multi-channel immersive audio routing |
| Security & Safety | Crypto hardware accelerators, fast secure boot with OTP key storage, AEC-Q100 Grade 2 qualification (−40°C to +105°C) |
Pinout & Package
ADSP-21567KBCZ8 is packaged in a 17 mm × 17 mm, 400-ball CSP_BGA with 0.8 mm ball pitch and RoHS compliance. The package supports high-density PCB layout and thermal dissipation suitable for automotive infotainment modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_INT | Core power supply | 1.0 V ±3% supply for SHARC+ core; requires low-noise regulation due to 800 MHz switching activity |
| VDD_IO | I/O power supply | 1.8 V or 3.3 V selectable per bank; enables mixed-voltage interfacing with DDR3L, SPI, and GPIO peripherals |
| CLKIN | Reference clock input | Accepts 1–50 MHz crystal or LVCMOS clock; feeds CGU for internal PLL generation of CCLK/SYSCLK |
| RESET_N | Active-low reset input | Synchronous deassertion required after power stabilization; initiates secure boot sequence from OTP or L2 ROM |
| BOOT_CFG[2:0] | Boot configuration pins | Strapped at power-up to select boot source: SPI2, OSPI0, or internal L2 ROM - determines initial firmware load path |
| DAI0_PB0–PB11 | Digital audio interface port B | Configurable as TDM, I²S, or left-justified; supports up to 24 channels at 192 kHz for multi-zone audio distribution |
Key Features
| Feature | Design Value |
|---|---|
| FIR/IIR Hardware Accelerators | Run at full CCLK (800 MHz); offload >90% of filter computation from core, freeing cycles for control logic and UI tasks |
| ASRC Pairs (2×4) | Enable sample-rate conversion between asynchronous audio domains (e.g., Bluetooth A2DP → amplifier DAC) with <120 dB SNR |
| Secure Boot with Crypto Engine | Uses AES-256 and SHA-256 acceleration to verify signed firmware images stored in external flash before execution |
| System Memory Protection Unit (SMPU) | Enforces per-core and per-DMA requester access rights across L1/L2 memory - prevents accidental or malicious memory corruption |
| Thermal Monitor Unit (TMU) | On-die sensor with programmable thresholds; triggers interrupt or hard reset if junction temperature exceeds 125°C |
Applications
| Automotive Digital Cockpit | Professional Audio Mixing Console |
|---|---|
Use Scenario: Real-time audio processing for head unit with voice assistant, surround sound rendering, and ANC for cabin noise suppression. IC Role / Device Role / Timing Role: Primary SHARC+ DSP executing multi-threaded audio pipelines, managing DAI routing, and synchronizing ASRCs across 12+ audio streams. Use Value: 800 MHz core + 5 Mb L1 SRAM enables sub-50 µs loop latency for adaptive ANC, while AEC-Q100 ensures reliability over 15-year vehicle lifecycle. |
Use Scenario: High-fidelity channel processing in live sound reinforcement systems requiring dynamic EQ, dynamics control, and spatial effects. IC Role / Device Role / Timing Role: Floating-point DSP handling 64-channel mixing with 96 kHz sampling, leveraging FIR accelerators for linear-phase EQ and ASRCs for clock domain bridging. Use Value: 64-bit floating-point precision preserves signal integrity across 120+ dB dynamic range; dual SPORTs support redundant I/O for mission-critical broadcast applications. |
| Rear Seat Entertainment System | Smart Speaker with Far-Field Voice |
Use Scenario: Multi-zone audio decoding, format conversion (Dolby Atmos, DTS:X), and independent volume leveling for passenger displays. IC Role / Device Role / Timing Role: Audio subsystem controller interfacing with HDMI RX, DDR3L memory for frame buffering, and multiple DACs via SPORTs. Use Value: Integrated DDR3L controller eliminates external memory controller IC; 2×4 ASRCs enable seamless playback of mixed-format content without resampling artifacts. |
Use Scenario: Beamforming, acoustic echo cancellation (AEC), and wake-word detection on 8-mic array with low-power always-on listening. IC Role / Device Role / Timing Role: Low-latency DSP co-processor handling real-time mic preprocessing, running neural network inference kernels on optimized FIR/IIR units. Use Value: Hardware crypto engine secures OTA firmware updates; TMU and watchdog timers ensure fail-safe operation during extended standby modes. |
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-21569KBCZ10 | Higher speed grade: 1 GHz core, 1024 kB L2 SRAM vs. 512 kB in ADSP-21567KBCZ8 | Required for >1000 MIPS workloads (e.g., real-time 3D audio rendering with HRTF convolution) | Select when peak compute >800 MHz is mandatory and board layout accommodates identical 400-ball CSP_BGA footprint |
| ADSP-21565KBCZ8 | Same 800 MHz core but reduced peripheral set: only 2× UARTs (vs. 3×), no MLB interface, 256 kB L2 SRAM | Suitable for cost-sensitive audio endpoints where ASRC count and DAI flexibility are constrained | Choose for simplified audio nodes (e.g., amplifier-only modules) where full feature set of ADSP-21567KBCZ8 is unused |
Compared with ADSP-21567KBCZ8, ADSP-21569KBCZ10 delivers 25% higher compute throughput and larger L2 buffer for streaming workloads, while ADSP-21565KBCZ8 trades peripheral richness for lower BOM cost - all share identical pinout, software compatibility, and AEC-Q100 qualification.
Availability
ADSP-21567KBCZ8 is available at Aetrix Electronics and suitable for automotive digital cockpits, professional audio mixing consoles, rear seat entertainment systems, and smart speaker platforms requiring stable component supply across extended product lifecycles.
Supply support for ADSP-21567KBCZ8 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-21567KBCZ8 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-21567KBCZ8?
The ADSP-21567KBCZ8 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 the official Analog Devices ordering guide and supported by its internal PLL and voltage regulator design. The ADSP-21567KBCZ8 achieves this performance while maintaining full instruction set compatibility with earlier SHARC processors.
Does the ADSP-21567KBCZ8 support DDR3L memory interfaces?
Yes, the ADSP-21567KBCZ8 integrates a dedicated 16-bit DDR3/DDR3L controller as part of its L3 memory interface. It supports DDR3L-1066 (533 MHz) operation with on-die termination and programmable timing parameters. This interface is electrically and logically distinct from the L1/L2 SRAM subsystem and is accessible only via the system crossbar - enabling high-bandwidth off-chip data streaming without core bus contention.
Is the ADSP-21567KBCZ8 qualified for automotive applications?
Yes, the ADSP-21567KBCZ8 is AEC-Q100 qualified for Grade 2 (−40°C to +105°C ambient), with built-in safety mechanisms including memory parity/ECC, fault management unit (FMU), system protection unit (SPU), and thermal monitor unit (TMU). These features are documented in the ADSP-2156x safety manual and verified through Analog Devices' automotive qualification process - making it suitable for digital cockpit, ANC/RNC, and ADAS audio subsystems.
How many ASRC pairs does the ADSP-21567KBCZ8 include?
The ADSP-21567KBCZ8 includes two banks of four asynchronous sample rate converters (ASRCs), totaling eight independent ASRC channels. Each pair supports bidirectional conversion between arbitrary sample rates (8 kHz to 192 kHz) with jitter-immune operation and <120 dB SNR. This capability is explicitly listed in Table 1 of the ADSP-2156x datasheet Rev. D and is enabled via the DAI and SRU routing infrastructure.
What package type is used for the ADSP-21567KBCZ8?
The ADSP-21567KBCZ8 uses a 400-ball CSP_BGA package measuring 17 mm × 17 mm with 0.8 mm ball pitch (Analog Devices part number suffix "KBCZ8"). This package is RoHS-compliant and thermally enhanced for automotive PCB mounting. Pin assignments and solder mask recommendations are fully detailed in the "400-Ball CSP_BGA Signal Descriptions" section of the datasheet (pages 24–30, Rev. D).
ADSP-21567KBCZ8 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:
- CAN, I2C, SPI, SPORT, UART/USART
- Clock Rate:
- 800MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 1.125MB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.00V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 400-CSPBGA (17x17)
ADSP-21567KBCZ8 FAQ
1.How can I place an order for ADSP-21567KBCZ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21567KBCZ8 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-21567KBCZ8 reliable?
The price and inventory of ADSP-21567KBCZ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21567KBCZ8 is usually 5 days.
3.What payment methods are accepted for ADSP-21567KBCZ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21567KBCZ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21567KBCZ8?
ADSP-21567KBCZ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21567KBCZ8 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-21567KBCZ8?
For technical support, including ADSP-21567KBCZ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21567KBCZ8 requirements.
6.How does Aetrix verify that ADSP-21567KBCZ8 is sourced from the original manufacturer or authorized distributors?
All ADSP-21567KBCZ8 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-21567KBCZ8 meets industry standards.
7.What is the process for return or replacement of ADSP-21567KBCZ8?
All ADSP-21567KBCZ8 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21567KBCZ8, 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-21567KBCZ8 part is unused and in its original packaging.
Return procedure for ADSP-21567KBCZ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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