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Analog Devices Inc. ADSP-BF561SKB500
- Part No.:
- ADSP-BF561SKB500
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 297-BGA
- Datasheet:
-
ADSP-BF561SKB500.pdf
- Description:
- IC DSP CTRLR 32BIT 500MHZ 297BGA
- Quantity:
- Payment:
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Product details
Overview
ADSP-BF561SKB500 from Analog Devices is a dual-core Blackfin symmetric multiprocessor IC designed for real-time multimedia and industrial signal processing. It integrates two independent 600 MHz Blackfin cores, 328 KB on-chip memory (including 128 KB L2 SRAM), and supports glueless SDRAM/flash interfacing. Used in video surveillance systems requiring parallel video stream decoding and motion analysis.
For engineers reviewing the ADSP-BF561SKB500 datasheet, ADSP-BF561SKB500 pinout, ADSP-BF561SKB500 application, or ADSP-BF561SKB500 equivalent, key selection criteria include dual-core deterministic latency, on-chip memory partitioning, L2 SRAM bandwidth, and PPI/SPORT interface timing compliance for ITU-R BT.656 video capture.
Technical Context
The ADSP-BF561SKB500 implements a modified Harvard architecture with hierarchical L1/L2 memory: each core has 32 KB L1 data SRAM (4×16 KB banks), 32 KB L1 instruction SRAM/cache, and 4 KB scratchpad SRAM; both cores share a unified 128 KB L2 SRAM accessed via a dedicated 64-bit low-latency bus. Core clock operates at 600 MHz with PLL multiplication range of 0.5× to 64×.
It features dual DMA controllers supporting 24 peripheral DMAs and 2 memory-to-memory channels, plus dual 12-channel general-purpose timers with PWM, two full-duplex SPORTs supporting eight stereo I²S channels, and two parallel peripheral interfaces (PPI0/PPI1) compliant with ITU-R BT.656 video standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Count | Dual symmetric Blackfin cores - enables true parallel execution of independent real-time tasks without OS scheduling overhead. |
| Max Core Frequency | 600 MHz - delivers 1.2 GMAC/s aggregate computational throughput for video filtering and codec acceleration. |
| On-Chip Memory | 328 KB total: 128 KB shared L2 SRAM + 200 KB distributed L1 (instruction/data/scratchpad) - eliminates external memory bottlenecks for tight-loop DSP kernels. |
| PPI Interface | Dual ITU-R BT.656–compliant parallel video ports - supports simultaneous 720p@30fps capture from two analog front-end ADCs without glue logic. |
| SPORT Channels | 2 × full-duplex synchronous serial ports - each supports up to 4 stereo I²S streams, enabling 8-channel audio I/O for multi-mic beamforming. |
| Package | 256-ball CSP_BGA (17 mm × 17 mm) - provides high I/O density and thermal performance for compact embedded vision modules. |
| Operating Voltage | VDDINT = 1.2 V, VDDIO = 3.3 V - enables low-power operation while maintaining compatibility with standard LVCMOS peripherals. |
Pinout & Package
ADSP-BF561SKB500 is packaged in a 256-ball CSP_BGA (17 mm × 17 mm, 0.8 mm pitch) with ball grid layout optimized for signal integrity and thermal dissipation in high-density PCBs. Pin assignments follow Analog Devices' standardized Blackfin BGA mapping for boot mode configuration, JTAG debug, and memory/peripheral interface routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BOOT[1:0] | Boot Mode Configuration | Selects boot source (SPI flash, parallel flash, or external host) at power-up; determines initial memory map and reset vector location. |
| CLKIN | External Clock Input | Accepts 1–50 MHz crystal or oscillator input feeding on-chip PLL; required for deterministic clock domain synchronization. |
| PPI0_D[15:0] | Parallel Video Data Bus | 16-bit bidirectional ITU-R BT.656 video data path for primary camera interface; supports 8-/10-/12-bit YUV formats. |
| SPORT0_DTSEC | Synchronous Serial Transmit Clock | Master clock output for I²S transmit channel; phase-aligned with SPORT0 data to ensure jitter-free audio sampling. |
| TMS/TCK/TDO/TDI | JTAG Test Access Port | IEEE 1149.1-compliant boundary scan and emulation interface for real-time core debugging and firmware loading. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 600 MHz Blackfin Cores | Enables lockstep or independent task partitioning - e.g., one core handles video decode while the other runs motion detection algorithms. |
| 128 KB Shared L2 SRAM | Provides zero-wait-state access for inter-core data exchange and shared lookup tables - critical for real-time frame buffering in surveillance analytics. |
| Dual ITU-R BT.656 PPIs | Eliminates external video glue logic and reduces BOM cost - supports simultaneous dual-camera capture with hardware-synchronized frame start signals. |
| Two Full-Duplex SPORTs | Each supports 4 stereo I²S channels - enables 8-microphone array processing for directional voice pickup without external audio interface ICs. |
| Dynamic Power Management | Independent voltage/frequency scaling per core - allows runtime power reduction during idle periods while preserving real-time responsiveness for interrupt-driven events. |
Applications
| Video Surveillance Analytics | Industrial Machine Vision |
|---|---|
Use Scenario: Real-time multi-camera video analytics in edge AI cameras detecting intrusions, loitering, or object counting. IC Role / Device Role / Timing Role: Dual-core DSP processor executing parallel H.264 decode and CNN-based inference kernels with sub-30ms end-to-end latency. Use Value: On-chip L2 SRAM and dual PPIs eliminate external frame buffers and video interface FPGAs, reducing system latency by >40% versus single-core alternatives. | Use Scenario: High-speed inspection of printed circuit boards using synchronized dual-line scan cameras. IC Role / Device Role / Timing Role: Real-time image preprocessing engine performing defect detection, contrast enhancement, and blob analysis on 100+ fps grayscale streams. Use Value: Dual 600 MHz cores with 2-D DMA enable pixel-level parallelism across two sensor inputs, achieving 98% CPU utilization efficiency at 120 fps. |
| Professional Audio Processing | Telecom Media Gateway |
Use Scenario: Multi-channel beamforming and acoustic echo cancellation in conferencing systems with 8+ microphones. IC Role / Device Role / Timing Role: Audio signal processor managing 8-channel I²S input, FIR filtering, and adaptive noise suppression with <5 ms group delay. Use Value: Two SPORTs supporting eight stereo I²S channels allow direct connection to MEMS mic arrays - no external audio codec required. | Use Scenario: Voice-over-IP media gateway converting TDM voice streams to RTP packets for cloud PBX integration. IC Role / Device Role / Timing Role: Telephony DSP handling G.711/G.729 transcoding, DTMF detection, and jitter buffer management across 32 concurrent calls. Use Value: Dual-core architecture isolates real-time voice processing from network stack tasks - ensures <15 ms jitter and zero packet loss under load. |
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 | Same dual-core Blackfin architecture and memory map, but in 297-ball PBGA package (27 mm × 27 mm); higher thermal resistance and larger PCB footprint. | Better suited for prototyping or low-volume industrial control where board space is not constrained and manual rework is acceptable. | Select ADSP-BF561BBCZ only when needing PBGA's mechanical robustness or legacy board compatibility - not for space-constrained vision modules. |
| TMS320C6474 | TI C64x+ DSP with three 1 GHz cores, 1 MB L2 cache, but lacks native ITU-R BT.656 PPI and requires external video interface logic. | Higher raw MIPS for compute-intensive radar FFTs, but adds complexity and latency for video acquisition subsystems. | Choose TMS320C6474 only if application prioritizes floating-point throughput over integrated video I/O - not for glueless dual-camera designs. |
Compared with ADSP-BF561BBCZ, ADSP-BF561SKB500 offers superior thermal performance and smaller form factor for embedded vision; compared with TMS320C6474, it delivers lower system-level latency and reduced BOM count via native video/audio interfaces - making it optimal for cost-sensitive, real-time multimedia edge nodes.
Availability
ADSP-BF561SKB500 is available at Aetrix Electronics and suitable for video surveillance analytics, industrial machine vision, professional audio processing, and telecom media gateway applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for ADSP-BF561SKB500 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 sensing, power management, and real-time processing.
The ADSP-BF561SKB500 belongs to the Blackfin family - engineered for deterministic real-time multimedia processing in resource-constrained embedded systems where low power, integrated peripherals, and compiler-friendly RISC/DSP hybrid architecture are essential.
FAQ
What is the maximum operating frequency of the ADSP-BF561SKB500?
The ADSP-BF561SKB500 operates at a maximum core frequency of 600 MHz, achieved via its on-chip PLL with multiplication factors ranging from 0.5× to 64×. This frequency is guaranteed across the commercial temperature range (0°C to 70°C) under specified VDDINT = 1.2 V and VDDIO = 3.3 V conditions, as documented in the Rev. F datasheet Section "Electrical Characteristics."
Does the ADSP-BF561SKB500 support booting from SPI flash memory?
Yes, the ADSP-BF561SKB500 supports booting from SPI flash memory through its dedicated SPI port configured in master mode during reset. The BOOT[1:0] pins must be set to 01 to select SPI boot mode, after which the device loads the boot kernel from the first 64 KB of the SPI flash device, as defined in the "Booting Modes" section of the ADSP-BF561 datasheet Rev. F.
How is memory mapped between the two cores in the ADSP-BF561SKB500?
In the ADSP-BF561SKB500, each core has private L1 instruction and data memories (32 KB each), while the 128 KB L2 SRAM is shared and accessible by both cores via a dedicated 64-bit bus. Core-specific MMRs are isolated, but system MMRs and boot ROM are shared. The flat 32-bit address space ensures coherent access, with memory protection enforced by the MMU in supervisor mode.
Can the ADSP-BF561SKB500 interface directly with ITU-R BT.656 video sensors?
Yes, the ADSP-BF561SKB500 includes two fully compliant ITU-R BT.656 parallel video interfaces (PPI0 and PPI1) that support 8-/10-/12-bit YUV formats, embedded sync, and hardware frame synchronization. No external logic is required to connect standard analog front-end video ADCs such as the ADV7180 or AD9945, as confirmed in the "Parallel Peripheral Interface" section of the Rev. F datasheet.
What debug interfaces does the ADSP-BF561SKB500 provide?
The ADSP-BF561SKB500 provides IEEE 1149.1-compliant JTAG (TMS/TCK/TDO/TDI) for boundary scan, core emulation, and real-time debugging. It also supports background debug mode (BDM) and advanced trace capabilities via the Embedded Trace Macrocell (ETM), enabling instruction-level tracing and performance monitoring without halting core execution.
ADSP-BF561SKB500 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 297-BGA
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- SPI, SSP, UART
- Clock Rate:
- 500MHz
- 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:
- 297-PBGA (27x27)
ADSP-BF561SKB500 FAQ
1.How can I place an order for ADSP-BF561SKB500 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF561SKB500 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-BF561SKB500 reliable?
The price and inventory of ADSP-BF561SKB500 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF561SKB500 is usually 5 days.
3.What payment methods are accepted for ADSP-BF561SKB500?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF561SKB500 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF561SKB500?
ADSP-BF561SKB500 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF561SKB500 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-BF561SKB500?
For technical support, including ADSP-BF561SKB500 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF561SKB500 requirements.
6.How does Aetrix verify that ADSP-BF561SKB500 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF561SKB500 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-BF561SKB500 meets industry standards.
7.What is the process for return or replacement of ADSP-BF561SKB500?
All ADSP-BF561SKB500 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF561SKB500, 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-BF561SKB500 part is unused and in its original packaging.
Return procedure for ADSP-BF561SKB500:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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