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Analog Devices Inc. ADSP-BF561SKBCZ-6A
- Part No.:
- ADSP-BF561SKBCZ-6A
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 256-BGA, CSPBGA
- Datasheet:
-
ADSP-BF561SKBCZ-6A.pdf
- Description:
- IC DSP CTRLR 32B 600MHZ 256CBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,751
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Product details
Overview
ADSP-BF561SKBCZ-6A from Analog Devices is a dual-core Blackfin symmetric multiprocessor IC designed for high-performance embedded signal processing in multimedia, industrial vision, and telecom edge nodes. It integrates two 600 MHz Blackfin cores, 328 KB on-chip memory (including 128 KB L2 SRAM), and supports glueless SDRAM/flash interfacing. Used in real-time video analytics systems where deterministic low-latency dual-core coordination is required.
For engineers reviewing the ADSP-BF561SKBCZ-6A datasheet, ADSP-BF561SKBCZ-6A pinout, ADSP-BF561SKBCZ-6A application, or ADSP-BF561SKBCZ-6A equivalent, key selection criteria include dual-core cache coherency support, 256-ball CSP_BGA (17 mm) package compatibility, L2 SRAM bandwidth for frame buffering, and SPORT/I2S channel count for multi-sensor audio/video ingestion.
Technical Context
The ADSP-BF561SKBCZ-6A implements a symmetric dual-core architecture with independent L1 instruction/data memories per core (16 KB SRAM + 16 KB cache each), plus shared 128 KB L2 SRAM accessed via a dedicated 64-bit low-latency bus. Each core features two 16×16 MACs, two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit barrel shifter - enabling simultaneous 16-bit dual-MAC operations per cycle.
Its peripheral subsystem includes dual 12-channel DMA controllers supporting 24 concurrent peripheral DMAs, two full-duplex synchronous serial ports (SPORT0/1) capable of eight stereo I2S channels, dual PPI interfaces compliant with ITU-R BT.656, and an on-chip PLL with 0.5× to 64× multiplication range - all synchronized to a single clock domain for deterministic inter-core timing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Count & Speed | Dual 600 MHz Blackfin cores - enables parallel real-time processing of independent data streams without OS scheduler overhead. |
| On-Chip Memory | 328 KB total: 64 KB L1 instruction (32 KB SRAM + 32 KB cache/core), 128 KB L1 data (64 KB SRAM + 64 KB cache/core), 4 KB scratchpad/core, 128 KB shared L2 SRAM - provides zero-wait-state execution and frame-level buffer storage. |
| Memory Interface | Glueless EBIU supporting PC133-compliant SDRAM (up to 512 MB), flash, SRAM, and mobile SDRAM - eliminates external logic for cost-sensitive industrial designs. |
| DMA Channels | 24 peripheral DMA channels + 2 memory-to-memory DMAs - enables concurrent high-bandwidth transfers between PPI, SPORT, SPI, UART, and L2 memory without CPU intervention. |
| Serial Interfaces | 2 × full-duplex SPORTs (8 stereo I2S channels), SPI port, UART with IrDA support - supports multi-sensor audio capture and control interface consolidation. |
| Video Interface | 2 × PPI units compliant with ITU-R BT.656 - enables direct connection to analog front-end ADCs for standard-definition video acquisition without FPGA bridging. |
| Package | 256-ball CSP_BGA (17 mm × 17 mm, 0.8 mm pitch) - meets IPC-7351B footprint requirements for compact industrial PCB layouts. |
Pinout & Package
ADSP-BF561SKBCZ-6A is housed in a 256-ball CSP_BGA package (17 mm × 17 mm, 0.8 mm ball pitch) with thermal pad exposed on underside. Pin assignments follow Analog Devices' Rev. F specification for the 256-ball CSP_BGA (17 mm) variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core power supply | 1.2 V ± 3% input for digital core logic - requires low-noise regulation and local decoupling to maintain 600 MHz timing margins. |
| VDDIO | I/O power supply | 3.3 V ± 5% input for all digital I/O banks - supports mixed-voltage interfacing with external SDRAM, flash, and peripherals. |
| CLKIN | External reference clock input | Accepts 1–50 MHz crystal or oscillator input - feeds on-chip PLL for internal 600 MHz core clock generation. |
| RESET | Active-low reset input | Synchronizes both cores and internal state machines - must be held low for ≥100 ns after power stabilization. |
| PPI0_D0–D15 | Parallel Peripheral Interface 0 data bus | 16-bit bidirectional ITU-R BT.656-compliant video data path - supports 8-bit or 16-bit YUV/RGB pixel streaming at up to 27 MHz. |
| SPORT0_DT0–DT7 | Synchronous Serial Port 0 transmit data | 8-channel TDM output supporting I2S, left-justified, or DSP mode - enables simultaneous transmission to multiple audio codecs or ADCs. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core cache-coherent memory map | Shared 128 KB L2 SRAM with unified instruction/data addressing - eliminates inter-core cache invalidation overhead in real-time control loops. |
| 2-D DMA with arbitrary step sizes | Supports row/column step sizes up to ±32K elements - enables hardware-accelerated de-interleaving of video fields or sensor fusion data without CPU cycles. |
| Programmable flags (48 GPIO) | Configurable as inputs, outputs, or interrupt sources - provides direct hardware signaling for external event synchronization (e.g., frame sync pulses). |
| Dynamic voltage/frequency scaling | Independent core voltage (1.0–1.3 V) and frequency (up to 600 MHz) control - reduces active power by >40% during low-workload intervals in battery-powered edge devices. |
| JTAG debug & trace infrastructure | Full IEEE 1149.1 compliance with real-time instruction trace buffer - enables non-intrusive profiling of dual-core execution flow in safety-critical applications. |
Applications
| Industrial Machine Vision | Multi-Channel Audio Processing |
|---|---|
|
Use Scenario: Real-time inspection of PCB assemblies using dual-camera stereo imaging and blob analysis. IC Role / Device Role / Timing Role: Dual-core Blackfin processor executing parallel image capture (PPI0/PPI1), Sobel edge detection (MAC-intensive), and Ethernet packetization (SPORT0 + UART). Use Value: Deterministic sub-20 ms latency from pixel capture to defect classification result due to dedicated DMA paths and L2 SRAM frame buffers. |
Use Scenario: Eight-microphone beamforming array for directional voice pickup in smart conferencing systems. IC Role / Device Role / Timing Role: Dual-core DSP performing synchronized 8-channel I2S audio ingestion (SPORT0/1), adaptive noise cancellation, and AEC on one core while managing USB/Ethernet transport on the other. Use Value: Full 8-channel 48 kHz audio processing sustained at <15% CPU load per core thanks to 2-D DMA and dual-MAC acceleration. |
| Telecom Edge Gateway | Medical Ultrasound Front-End |
|
Use Scenario: Protocol translation gateway aggregating legacy T1/E1 lines into VoIP SIP sessions. IC Role / Device Role / Timing Role: One core handles HDLC framing and CRC validation on PPI-connected line cards; second core runs G.711/G.729 codec and SIP stack via UART/Ethernet interface. Use Value: Simultaneous handling of 32 concurrent voice channels with <50 μs jitter due to dedicated timer-driven DMA scheduling and core isolation. |
Use Scenario: Portable ultrasound probe with real-time B-mode image reconstruction and Doppler processing. IC Role / Device Role / Timing Role: Dual-core configuration: Core A acquires RF echo data via PPI from analog front-end ADCs; Core B performs FFT-based beamforming and scan conversion using L2-resident lookup tables. Use Value: 15 fps B-mode imaging at 128-line resolution achieved through 2-D DMA transfer of echo samples directly into L2 SRAM for zero-copy FFT processing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF561BBCZ-6A | Same die, 297-ball PBGA package (27 mm × 27 mm) - larger footprint, higher thermal resistance, different ball pitch (1.27 mm). | Preferred for prototyping or high-power dissipation scenarios where thermal mass and manual rework accessibility matter more than board area. | Select when mechanical constraints allow larger package and thermal design prioritizes convection over conduction. |
| ADSP-BF548MBCZ-6A | Single-core Blackfin (600 MHz), 256-ball CSP_BGA, 224 KB on-chip memory - lacks second core and half the L2 SRAM. | Suitable for cost-sensitive applications requiring only one processing stream (e.g., single-camera vision or mono audio). | Choose only if workload fits within single-core capacity and inter-core communication is unnecessary. |
Compared with ADSP-BF561SKBCZ-6A, the ADSP-BF561BBCZ-6A offers identical functionality but demands more PCB area and has lower maximum junction temperature under airflow-limited conditions, whereas the ADSP-BF548MBCZ-6A sacrifices parallelism and memory bandwidth - making it unsuitable for true dual-stream real-time workloads despite matching clock speed and package ball count.
Availability
ADSP-BF561SKBCZ-6A is available at Aetrix Electronics and suitable for industrial machine vision, multi-channel audio processing, and telecom edge gateway applications requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF561SKBCZ-6A 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 digital signal processing technologies for precision instrumentation, industrial automation, and communications infrastructure.
The ADSP-BF561SKBCZ-6A belongs to the Blackfin family - engineered for deterministic real-time embedded signal processing in resource-constrained environments where both control and compute tasks coexist on a single chip.
FAQ
What is the maximum operating frequency of the ADSP-BF561SKBCZ-6A?
The ADSP-BF561SKBCZ-6A operates at a guaranteed maximum core frequency of 600 MHz across its specified industrial temperature range (−40°C to +85°C). This rating is validated under worst-case voltage (1.2 V ± 3%) and thermal conditions per Analog Devices' Rev. F datasheet Section "Operating Conditions." The on-chip PLL supports multiplication factors from 0.5× to 64×, allowing flexible clock tree design while maintaining ADSP-BF561SKBCZ-6A timing compliance.
Does the ADSP-BF561SKBCZ-6A support cache coherency between its two cores?
The ADSP-BF561SKBCZ-6A does not implement hardware cache coherency protocols like MESI. Instead, it relies on software-managed cache maintenance (e.g., cache flush/invalidate instructions) and shared access to the 128 KB L2 SRAM - which is cache-coherent by definition since it is not cached. Developers coordinate inter-core data exchange via L2-resident buffers and programmable flag interrupts, ensuring deterministic behavior in real-time ADSP-BF561SKBCZ-6A deployments.
Which memory types does the ADSP-BF561SKBCZ-6A support via its External Bus Interface Unit (EBIU)?
The ADSP-BF561SKBCZ-6A EBIU supports PC133-compliant SDRAM (up to 512 MB across four banks), asynchronous flash/EPROM/SRAM (up to 256 MB per bank), and mobile SDRAM. It provides glueless interfacing - meaning no external address latches or wait-state generators are needed. All memory mappings appear in the flat 32-bit address space, with SDRAM banks occupying fixed regions (e.g., 0xFFC00000–0xFFE00000) as defined in the ADSP-BF561SKBCZ-6A memory map.
Can the ADSP-BF561SKBCZ-6A boot directly from external SPI flash?
No - the ADSP-BF561SKBCZ-6A lacks native SPI flash boot capability. Booting is supported from on-chip boot ROM, external parallel flash (via EBIU async bank 0), or external SDRAM. To use SPI flash, an external microcontroller or CPLD must first copy firmware into external SDRAM or L2 SRAM, then issue a software reset to initiate ADSP-BF561SKBCZ-6A execution from that location. This limitation is documented in the "Booting" section of the ADSP-BF561SKBCZ-6A datasheet Rev. F.
What is the purpose of the 48 programmable flags (PFx) on the ADSP-BF561SKBCZ-6A?
The 48 programmable flags (PF0–PF47) on the ADSP-BF561SKBCZ-6A serve as general-purpose I/O pins configurable individually as inputs, outputs, or interrupt sources. They support edge-triggered interrupts (A/B groups), pulse-width measurement, and hardware synchronization signals - such as frame start pulses in video systems or trigger acknowledgments in sensor networks. Their direct register mapping allows single-cycle read/write access, making them ideal for time-critical ADSP-BF561SKBCZ-6A control loops.
ADSP-BF561SKBCZ-6A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 256-BGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- SPI, SSP, UART
- Clock Rate:
- 600MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 328kB
- Voltage - I/O:
- 2.50V, 3.30V
- Voltage - Core:
- 1.35V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-CSPBGA (17x17)
ADSP-BF561SKBCZ-6A FAQ
1.How can I place an order for ADSP-BF561SKBCZ-6A through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF561SKBCZ-6A 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-BF561SKBCZ-6A reliable?
The price and inventory of ADSP-BF561SKBCZ-6A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF561SKBCZ-6A is usually 5 days.
3.What payment methods are accepted for ADSP-BF561SKBCZ-6A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF561SKBCZ-6A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF561SKBCZ-6A?
ADSP-BF561SKBCZ-6A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF561SKBCZ-6A 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-BF561SKBCZ-6A?
For technical support, including ADSP-BF561SKBCZ-6A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF561SKBCZ-6A requirements.
6.How does Aetrix verify that ADSP-BF561SKBCZ-6A is sourced from the original manufacturer or authorized distributors?
All ADSP-BF561SKBCZ-6A 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-BF561SKBCZ-6A meets industry standards.
7.What is the process for return or replacement of ADSP-BF561SKBCZ-6A?
All ADSP-BF561SKBCZ-6A units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF561SKBCZ-6A, 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-BF561SKBCZ-6A part is unused and in its original packaging.
Return procedure for ADSP-BF561SKBCZ-6A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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