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Analog Devices Inc. ADSP-BF561SBBZ500
- Part No.:
- ADSP-BF561SBBZ500
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 297-BGA
- Datasheet:
-
ADSP-BF561SBBZ500.pdf
- Description:
- IC PROCESSOR 500MHZ 297BGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,135
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Product details
Overview
ADSP-BF561SBBZ500 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 analytics edge nodes requiring deterministic low-latency dual-core DSP execution.
For engineers reviewing the ADSP-BF561SBBZ500 datasheet, ADSP-BF561SBBZ500 pinout, ADSP-BF561SBBZ500 application, or ADSP-BF561SBBZ500 equivalent, key selection criteria include dual-core cache coherency support, 256-ball CSP_BGA mechanical compatibility, L2 SRAM bandwidth allocation, and SPORT/I2S channel count for multi-sensor audio/video synchronization.
Technical Context
The ADSP-BF561SBBZ500 implements a modified Harvard architecture with hierarchical L1/L2 memory: each core has 32 KB L1 data SRAM/cache (4×16 KB banks), 32 KB L1 instruction SRAM/cache, and 4 KB scratchpad SRAM - all operating at full core speed. The shared 128 KB L2 SRAM runs at half-core frequency via a dedicated 64-bit port.
Its dual DMA subsystem comprises two independent controllers supporting 24 peripheral DMA channels, 2 memory-to-memory DMAs, and an internal memory DMA controller - enabling concurrent high-throughput transfers between L1/L2, peripherals (SPORTs, PPI, SPI), and external SDRAM/flash without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Count & Speed | Dual 600 MHz Blackfin cores - enables parallel real-time signal processing tasks with deterministic cycle timing per core. |
| On-Chip Memory | 328 KB total: 128 KB shared L2 SRAM + 200 KB distributed L1 (instruction/data/scratchpad) - eliminates external RAM latency for critical code/data. |
| L1 Memory Configuration | Per-core: 32 KB data SRAM/cache (4×16 KB banks), 32 KB instruction SRAM/cache (2×16 KB), 4 KB scratchpad - supports independent cache/SRAM mode selection per bank. |
| Peripheral Interface | Dual 8-channel SPORTs (16 stereo I²S lanes), dual PPIs (ITU-R BT.656 video), SPI, UART with IrDA - enables simultaneous multi-sensor audio/video capture and control. |
| DMA Architecture | Two independent controllers with 24 peripheral DMA channels + 2 memory-to-memory DMAs - sustains >1.2 GB/s aggregate bandwidth across L1/L2/SDRAM/peripherals. |
| Package & Pin Count | 256-ball CSP_BGA (17 mm × 17 mm, 0.8 mm pitch) - provides compact footprint with thermal performance suitable for convection-cooled industrial enclosures. |
| Power Management | Dynamic voltage/frequency scaling (DVFS) with on-chip PLL (0.5×–64× multiplication) - reduces active power by up to 40% vs. fixed-frequency operation at same throughput. |
Pinout & Package
ADSP-BF561SBBZ500 is packaged in a 256-ball CSP_BGA (17 mm × 17 mm, 0.8 mm pitch) with ball pitch and mechanical dimensions compliant with JEDEC MO-220. Thermal pad exposed on underside for enhanced heat dissipation in embedded applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply voltage | 1.2 V ±3% input powering dual Blackfin cores and L1 memory - requires low-noise regulation due to high di/dt during SIMD operations. |
| VDDIO | I/O supply voltage | 3.3 V ±5% input powering all digital peripherals (SPORT, PPI, SPI, GPIO) - supports mixed-voltage system interfacing. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator reference feeding on-chip PLL - determines base clock for all synchronous peripherals and memory interfaces. |
| RESET | Active-low reset input | Synchronous deassertion required for reliable dual-core initialization - must be held low ≥100 ns after power stabilization before release. |
| BOOT[3:0] | Boot configuration pins | Four-pin strap defining boot source (SPI flash, parallel flash, or on-chip ROM) - sets initial memory map and peripheral enable state at power-on. |
| PPI0_D[15:0] | Parallel Peripheral Interface 0 data bus | 16-bit bidirectional video/data bus supporting ITU-R BT.656 YUV422 - connects directly to analog front-end ADCs without glue logic. |
| SPORT0_DA[3:0] | Synchronous Serial Port 0 data lines | Four independent full-duplex I²S/AC97 data lanes - enables simultaneous streaming of four stereo audio channels to separate codecs. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 16-bit MAC + 40-bit ALU per core | Enables simultaneous 16×16 multiply-accumulate with 40-bit accumulation - delivers 1.2 GMAC/s per core for real-time FIR filtering and FFT kernels. |
| Two 12-channel DMA controllers | Supports concurrent 24 peripheral DMA streams - allows zero-CPU-overhead transfer of video frames from PPI to L2 SRAM while audio buffers stream via SPORT to external DACs. |
| 256-ball CSP_BGA package | 17 mm × 17 mm footprint with 0.8 mm pitch - achieves PCB area reduction vs. PBGA while maintaining thermal resistance <25°C/W under 2-layer board constraints. |
| On-chip PLL with 0.5×–64× multiplication | Generates precise core clocks (e.g., 600 MHz from 12.288 MHz crystal) - eliminates need for external clock synthesizer in audio/video timing-critical systems. |
| 48 programmable GPIO flags | Configurable as interrupts, PWM outputs, or general-purpose I/O - provides hardware-triggered event handling for sensor status monitoring and actuator control without software polling. |
Applications
| Video Surveillance Encoder | Industrial Motor Control |
|---|---|
Use Scenario: Real-time H.264 encoding of dual-camera 720p60 video streams with motion detection and metadata overlay. IC Role / Device Role / Timing Role: Dual-core DSP executing parallel video preprocessing (PPI0/PPI1) and compression (L2-resident encoder) with synchronized SPORT audio injection. Use Value: 328 KB on-chip memory eliminates external DDR bottleneck, enabling sustained 120 MB/s video frame throughput without memory arbitration stalls. |
Use Scenario: Closed-loop field-oriented control (FOC) of three-phase PMSM motors with dual current sensing and thermal monitoring. IC Role / Device Role / Timing Role: One core handles PWM generation and ADC sampling (via SPORT/PPI-timed triggers), second core executes FOC math and safety checks with sub-1 µs interrupt latency. Use Value: Dual 12-channel DMA controllers move ADC samples and PWM update values concurrently, reducing control loop jitter to <50 ns standard deviation. |
| Medical Ultrasound Beamformer | Telecom Baseband Processor |
Use Scenario: Digital beamforming of 64-channel ultrasound receive data with real-time dynamic focusing and harmonic imaging. IC Role / Device Role / Timing Role: Each core processes 32-channel RF data paths using L1-resident FIR filters and complex FFTs; L2 SRAM stores coefficient tables and delay profiles. Use Value: 128 KB shared L2 SRAM provides unified access to calibration data across both cores, avoiding inter-core cache coherency overhead. |
Use Scenario: Multi-carrier CDMA2000 baseband processing with adaptive equalization and turbo decoding for femtocell gateways. IC Role / Device Role / Timing Role: Core A manages RF interface (SPI-controlled transceiver), Core B runs protocol stack and channel coding - coordinated via L2 memory semaphores. Use Value: Dual SPORTs support simultaneous I²S audio backhaul and JESD204B-like serialized data links to ADC/DAC, eliminating FPGA bridging logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core DSP processor 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 - larger footprint, higher thermal resistance (32°C/W), no CSP_BGA mechanical compatibility. | Preferred for prototyping with through-hole test fixtures or legacy PCBs designed for PBGA; unsuitable for space-constrained edge devices. | Select ADSP-BF561BBCZ only when existing layout uses 297-ball PBGA land pattern and thermal design accommodates higher junction temperature rise. |
| TMS320C6474GJC | Triple-core C64x+ DSP (1 GHz/core), 2 MB L2 RAM, but lacks integrated PPI/SPORT video/audio interfaces - requires external bridge ICs for sensor connectivity. | Better raw MFLOPS for compute-bound radar algorithms, but adds BOM cost and latency for video/audio acquisition path. | Choose TMS320C6474GJC when algorithm complexity demands >3× single-core throughput and external interface ICs are acceptable for system-level integration. |
Compared with ADSP-BF561SBBZ500, ADSP-BF561BBCZ trades compactness and thermal efficiency for easier manual assembly, while TMS320C6474GJC offers higher peak compute but increases system complexity and latency for sensor interface-critical applications.
Availability
ADSP-BF561SBBZ500 is available at Aetrix Electronics and suitable for video surveillance encoders, industrial motor drives, medical ultrasound systems, and telecom baseband modules requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF561SBBZ500 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 DSP technology, headquartered in Wilmington, MA, serving industrial, automotive, communications, and healthcare markets.
The ADSP-BF561SBBZ500 belongs to the Blackfin family - engineered for deterministic real-time signal processing in resource-constrained embedded systems where low-power operation and integrated peripheral flexibility are critical.
FAQ
What is the maximum SDRAM capacity supported by the ADSP-BF561SBBZ500?
The ADSP-BF561SBBZ500 supports up to 512 MB of PC133-compliant SDRAM across four independently configurable banks. Its External Bus Interface Unit (EBIU) provides glueless connection to SDRAM chips with densities from 16 MB to 128 MB per bank, enabling flexible memory expansion while maintaining contiguous physical address mapping for the dual-core system.
Does the ADSP-BF561SBBZ500 support cache coherency between its two cores?
The ADSP-BF561SBBZ500 does not implement hardware cache coherency. Each core maintains independent L1 instruction and data caches; software-managed cache maintenance (e.g., cache line invalidation/writeback via system calls) is required when sharing data via L2 SRAM. This design prioritizes deterministic timing over automatic coherency, aligning with real-time embedded requirements.
Can the ADSP-BF561SBBZ500 boot directly from SPI flash memory?
Yes, the ADSP-BF561SBBZ500 supports SPI master boot mode. When BOOT[3:0] pins are configured to 0b0010, the device initializes its SPI port as master and loads boot code from a standard SPI flash device (e.g., Micron MT25QL series) at power-on, executing from L1 instruction SRAM without external memory controller initialization.
What is the role of the 48 programmable flags (GPIO) on the ADSP-BF561SBBZ500?
The 48 programmable flags on the ADSP-BF561SBBZ500 serve as multifunction I/O: they can be individually configured as input interrupts (with edge/level sensitivity), PWM outputs (using timer resources), or general-purpose bidirectional pins. Their direct mapping to core interrupt vectors (IVG11) enables sub-microsecond response to external events like sensor triggers or fault signals.
How does the ADSP-BF561SBBZ500 handle simultaneous DMA transfers from multiple peripherals?
The ADSP-BF561SBBZ500 uses two independent DMA controllers with priority-based arbitration: DMA1 handles PPI, SPORT0, and SPI transfers; DMA2 manages SPORT1, UART, and timer-triggered moves. Each controller supports 12 channels with configurable burst lengths and auto-reload descriptors, allowing concurrent high-bandwidth transfers without CPU scheduling overhead.
ADSP-BF561SBBZ500 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 297-BGA
- Packaging:
- Tray
- Product Status:
- Active
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 297-PBGA (27x27)
ADSP-BF561SBBZ500 FAQ
1.How can I place an order for ADSP-BF561SBBZ500 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF561SBBZ500 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-BF561SBBZ500 reliable?
The price and inventory of ADSP-BF561SBBZ500 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF561SBBZ500 is usually 5 days.
3.What payment methods are accepted for ADSP-BF561SBBZ500?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF561SBBZ500 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF561SBBZ500?
ADSP-BF561SBBZ500 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF561SBBZ500 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-BF561SBBZ500?
For technical support, including ADSP-BF561SBBZ500 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF561SBBZ500 requirements.
6.How does Aetrix verify that ADSP-BF561SBBZ500 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF561SBBZ500 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-BF561SBBZ500 meets industry standards.
7.What is the process for return or replacement of ADSP-BF561SBBZ500?
All ADSP-BF561SBBZ500 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF561SBBZ500, 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-BF561SBBZ500 part is unused and in its original packaging.
Return procedure for ADSP-BF561SBBZ500:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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