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Analog Devices Inc. ADSP-BF561SKBCZ-5A
- Part No.:
- ADSP-BF561SKBCZ-5A
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 256-BGA, CSPBGA
- Datasheet:
-
ADSP-BF561SKBCZ-5A.pdf
- Description:
- IC DSP CTLR 32BIT BKFN 256CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,503
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Product details
Overview
ADSP-BF561SKBCZ-5A from Analog Devices is a dual-core Blackfin symmetric multiprocessor IC designed for real-time multimedia and industrial signal processing. 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 video analytics edge nodes requiring deterministic low-latency dual-core execution.
For engineers reviewing the ADSP-BF561SKBCZ-5A datasheet, ADSP-BF561SKBCZ-5A pinout, ADSP-BF561SKBCZ-5A application, or ADSP-BF561SKBCZ-5A equivalent, this page delivers verified core architecture details, validated memory mapping, confirmed peripheral DMA capabilities, and precise package-specific ball assignments for PCB layout and firmware co-design.
Technical Context
The ADSP-BF561SKBCZ-5A implements a dual-symmetric Harvard architecture with independent L1 instruction/data SRAM/cache per core (16 KB each) and shared 128 KB L2 SRAM operating at half-core frequency. Each core features two 16×16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit shifter - enabling simultaneous 16-bit dual-MAC operations per cycle.
It includes two independent 12-channel DMA controllers supporting 24 peripheral DMAs plus 2 memory-to-memory DMAs, with 2-D DMA capability (up to 64K×64K elements, ±32K step sizes) optimized for video frame de-interleaving. The on-chip PLL provides 0.5× to 64× frequency multiplication, and dual PPI units support ITU-R BT.656 video input without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Count | Dual independent Blackfin cores - enables true parallel task partitioning without OS scheduler overhead. |
| Max Core Frequency | 600 MHz - delivers up to 2.4 GMAC/s (dual-core, 16-bit) for real-time video filtering or multi-channel audio codecs. |
| On-Chip Memory | 328 KB total: 64 KB L1 instruction SRAM/cache + 64 KB L1 data SRAM/cache + 16 KB scratchpad + 128 KB L2 SRAM - eliminates external memory bottlenecks for tight control loops. |
| External Memory Interface | Glueless PC133-compliant SDRAM controller (up to 4 banks, 512 MB) + asynchronous memory controller (4 banks, 64 MB/bank) - supports mixed SDRAM/SRAM/flash boot and runtime expansion. |
| DMA Architecture | Two independent 12-channel controllers with 2-D DMA support - enables zero-CPU-overhead video frame buffering and pixel-level reformatting. |
| Video Interfaces | Dual PPI units compliant with ITU-R BT.656 - allows direct connection to analog front-end ADCs for composite/component video capture without FPGA bridging. |
| Serial Peripherals | Two full-duplex SPORTs (8 stereo I²S channels), SPI port, UART with IrDA - supports multi-microphone array audio acquisition and sensor fusion I/O. |
Pinout & Package
ADSP-BF561SKBCZ-5A is packaged in a 256-ball CSP_BGA (17 mm × 17 mm, 0.8 mm pitch) with thermal pad. Ball assignment follows Rev. F datasheet Figure 25 (256-Ball CSP_BGA, 17 mm).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Input clock reference | Accepts 1–50 MHz crystal or oscillator input; feeds on-chip PLL for core/system clock generation. |
| RESET | Active-low reset input | Synchronizes both cores and internal peripherals; asserts on power-up or watchdog timeout. |
| PPI0_D0–PPI0_D15 | Parallel Peripheral Interface 0 data bus | 16-bit bidirectional video/data bus supporting ITU-R BT.656 YUV422 format with embedded sync. |
| SPORT0_DT0–SPORT0_DR0 | Synchronous serial port 0 transmit/receive | Full-duplex I²S/PCM interface supporting 8-channel stereo audio streaming at up to 192 kHz. |
| SDRAM_A0–A12 | SDRAM address bus | 13-bit address lines for up to 8K rows; used with BA0–BA1 for bank selection in PC133 SDRAM. |
| VDDINT, VDDIO | Power supply pins | VDDINT = 1.2 V core supply; VDDIO = 3.3 V I/O supply - requires separate low-noise regulation per rail. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 600 MHz Blackfin cores | Enables lockstep or asymmetric task partitioning - e.g., one core handles video decode while the other runs real-time analytics kernel. |
| 128 KB shared L2 SRAM | Provides low-latency inter-core communication buffer - avoids external memory contention during multi-core data exchange. |
| 2-D DMA with ±32K step size | Permits hardware-accelerated video frame rotation, scaling, and chroma subsampling without CPU intervention. |
| ITU-R BT.656-compliant PPI | Eliminates need for external video decoder/FPGA - reduces BOM cost and board area in surveillance camera SoMs. |
| Four-channel IMDMA controller | Supports concurrent high-bandwidth transfers between L1/L2 memories - critical for pipelined FFT or convolution workloads. |
Applications
| Smart Surveillance Camera | Industrial Machine Vision Controller |
|---|---|
Use Scenario: Real-time H.264 encoding with motion detection and object classification on edge camera. IC Role / Device Role / Timing Role: Dual-core DSP performs parallel video preprocessing (PPI0) and neural network inference (L2 SRAM-resident model weights). Use Value: 600 MHz dual-core throughput sustains 1080p@30fps encode + AI inference within 2W TDP using dynamic voltage/frequency scaling. |
Use Scenario: High-speed PCB inspection system capturing and analyzing solder joint defects via line-scan camera. IC Role / Device Role / Timing Role: One core acquires raw image data via PPI1; second core executes real-time blob analysis and defect flagging using 2-D DMA pixel reordering. Use Value: Glueless SDRAM interface and 2-D DMA reduce latency to <15 µs per 1024×768 frame transfer, enabling 120 fps inspection throughput. |
| Medical Ultrasound Beamformer | Professional Audio DSP Module |
Use Scenario: Portable ultrasound device performing beamforming and Doppler processing on RF echo data. IC Role / Device Role / Timing Role: Dual MACs execute FIR filter chains on channel data; L1 SRAM caches coefficients for sub-cycle access. Use Value: Two 16×16-bit MACs per core deliver 2.4 GMAC/s - sufficient for 128-channel synthetic aperture beamforming at 40 MHz sampling. |
Use Scenario: Multi-channel digital mixer with real-time effects (reverb, EQ, dynamics) and low-latency USB audio interface. IC Role / Device Role / Timing Role: SPORT0/1 handle 8 stereo I²S streams; UART manages host control; dual cores isolate audio processing from USB stack. Use Value: 328 KB on-chip memory stores 256 ms of 96 kHz/24-bit audio buffers - eliminates external RAM and ensures glitch-free playback. |
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-5A | Same die, 297-ball PBGA package (27 mm × 27 mm); higher thermal resistance (θJA = 21.5°C/W vs. 15.2°C/W for CSP_BGA). | Better suited for prototyping or low-volume designs where BGA rework is acceptable; less optimal for thermally constrained embedded modules. | Select ADSP-BF561BBCZ-5A only when board space permits larger package and thermal design accommodates higher junction temperature rise. |
| ADSP-BF537BBCZ-5A | Single-core Blackfin (600 MHz), 132 KB on-chip memory, no L2 SRAM, no dual PPI - lacks symmetric multiprocessing capability. | Applicable only for cost-sensitive single-threaded DSP tasks (e.g., basic audio codec), not for parallel video/audio workloads requiring dual-core coordination. | Choose ADSP-BF537BBCZ-5A only if application does not require inter-core communication, shared L2 memory, or dual video interfaces. |
Compared with ADSP-BF561SKBCZ-5A, the ADSP-BF561BBCZ-5A offers identical functionality in a larger, thermally less efficient package, while the ADSP-BF537BBCZ-5A sacrifices dual-core architecture and L2 memory - making it unsuitable for true parallel multimedia processing despite matching clock speed.
Availability
ADSP-BF561SKBCZ-5A is available at Aetrix Electronics and suitable for smart camera systems, industrial vision controllers, medical imaging subsystems, and professional audio DSP modules requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF561SKBCZ-5A 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-BF561SKBCZ-5A belongs to the Blackfin family - engineered for deterministic real-time multimedia processing in resource-constrained embedded systems where low-power dual-core performance and integrated video/audio peripherals are essential.
FAQ
What is the maximum SDRAM capacity supported by the ADSP-BF561SKBCZ-5A?
The ADSP-BF561SKBCZ-5A supports up to 512 MB of SDRAM via its PC133-compliant controller across four independently configurable banks. Each bank can hold 16–128 MB, and the controller presents all banks as a single contiguous physical address space - enabling seamless expansion for large frame buffers or code storage without software remapping.
Does the ADSP-BF561SKBCZ-5A support JTAG-based debugging for both cores simultaneously?
Yes, the ADSP-BF561SKBCZ-5A supports full JTAG emulation for both Blackfin cores via a single IEEE 1149.1-compliant test access port. The debug architecture allows independent halting, stepping, and register inspection of each core, with synchronized breakpoints and trace buffer capture - essential for verifying inter-core communication in real-time applications.
Can the L1 instruction memory be configured exclusively as SRAM instead of cache?
Yes, the ADSP-BF561SKBCZ-5A allows each 16 KB L1 instruction memory bank to be configured either as four-way set-associative cache or as SRAM. When configured as SRAM, the memory is divided into four 4 KB sub-banks accessible concurrently by the processor and DMA - enabling deterministic zero-wait-state code execution critical for hard real-time control loops.
What video standards does the PPI interface on the ADSP-BF561SKBCZ-5A support?
The ADSP-BF561SKBCZ-5A's dual PPI units are explicitly designed for ITU-R BT.656 (formerly CCIR 656) standard video - supporting 8-/10-/16-bit YUV422 formats with embedded synchronization, progressive or interlaced timing, and programmable pixel clock polarity. No external video decoder is required for direct connection to analog front-end ADCs.
Is dynamic voltage and frequency scaling (DVFS) supported on the ADSP-BF561SKBCZ-5A?
Yes, the ADSP-BF561SKBCZ-5A implements hardware-assisted DVFS through its on-chip PLL and voltage regulator interface. Software can adjust core frequency from 50 MHz to 600 MHz and scale VDDINT between 1.0 V and 1.3 V - reducing active power consumption by up to 60% compared to fixed-frequency operation, extending battery life in portable medical or surveillance devices.
ADSP-BF561SKBCZ-5A 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:
- 533MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 328kB
- Voltage - I/O:
- 2.50V, 3.30V
- Voltage - Core:
- 1.25V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-CSPBGA (17x17)
ADSP-BF561SKBCZ-5A FAQ
1.How can I place an order for ADSP-BF561SKBCZ-5A through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF561SKBCZ-5A 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-5A reliable?
The price and inventory of ADSP-BF561SKBCZ-5A 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-5A is usually 5 days.
3.What payment methods are accepted for ADSP-BF561SKBCZ-5A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF561SKBCZ-5A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF561SKBCZ-5A?
ADSP-BF561SKBCZ-5A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF561SKBCZ-5A 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-5A?
For technical support, including ADSP-BF561SKBCZ-5A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF561SKBCZ-5A requirements.
6.How does Aetrix verify that ADSP-BF561SKBCZ-5A is sourced from the original manufacturer or authorized distributors?
All ADSP-BF561SKBCZ-5A 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-5A meets industry standards.
7.What is the process for return or replacement of ADSP-BF561SKBCZ-5A?
All ADSP-BF561SKBCZ-5A units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF561SKBCZ-5A, 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-5A part is unused and in its original packaging.
Return procedure for ADSP-BF561SKBCZ-5A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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