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Analog Devices Inc. ADSP-BF516BSWZ-3
- Part No.:
- ADSP-BF516BSWZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF516BSWZ-3.pdf
- Description:
- IC DSP 16/32B 300MHZ LP 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,434
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Product details
Overview
ADSP-BF516BSWZ-3 from Analog Devices is a 400 MHz Blackfin embedded processor with dual 16-bit MACs, 116 KB on-chip memory (32 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad), and integrated 10/100 Ethernet MAC - deployed in industrial network gateways requiring real-time signal processing and deterministic connectivity.
For engineers reviewing the ADSP-BF516BSWZ-3 datasheet, ADSP-BF516BSWZ-3 pinout, ADSP-BF516BSWZ-3 application, or ADSP-BF516BSWZ-3 equivalent, key selection criteria include IEEE 802.3 compliance, 176-lead LQFP_EP package with exposed pad, 40 GPIOs, SPI flash boot capability, and RISC/DSP hybrid instruction set compatibility across the BF51x family.
Technical Context
The ADSP-BF516BSWZ-3 implements a modified Harvard architecture with hierarchical L1 memory (SRAM + configurable cache), MMU-based memory protection, and supervisor/user mode isolation. Its core integrates two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit shifter supporting normalization and field operations.
Peripherals include an IEEE 802.3-compliant Ethernet MAC with IEEE 1588 timestamping support, RSI controller for SD/SDIO, two dual-channel SPORTs (8 stereo I2S channels), two UARTs with IrDA, TWI, PPI, and 3-phase 16-bit PWM - all managed via 12 peripheral DMAs and 2 memory-to-memory DMAs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz - enables real-time audio/video preprocessing and control loop execution within sub-10 μs latency budgets. |
| L1 Memory | 116 KB total: 32 KB instruction SRAM, 32 KB data SRAM, 4 KB scratchpad - eliminates external RAM dependency for critical firmware and buffers. |
| Ethernet Interface | IEEE 802.3 10/100 MAC with IEEE 1588 hardware timestamping - supports precise time-synchronized industrial networking without external PHY timing ICs. |
| Package | 176-lead LQFP_EP with exposed thermal pad - provides mechanical stability and thermal dissipation for continuous operation at full clock speed. |
| Boot Sources | Internal SPI flash (16 Mbit), OTP, external SPI/parallel memories, or host UART/SPI - enables secure, field-upgradable firmware with no external boot ROM required. |
| I/O Count | 40 general-purpose I/Os - sufficient for direct sensor/actuator interfacing in motor control and HMI applications. |
| PWM Capability | 3-phase 16-bit center-aligned PWM unit - drives 3-phase inverters for BLDC/PMSM motors without external gate driver timing logic. |
Pinout & Package
ADSP-BF516BSWZ-3 uses a 176-lead LQFP_EP package (exposed pad) with 0.5 mm pitch and 24 × 24 mm body size. Thermal pad must be soldered to PCB ground plane for reliable 400 MHz operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core power supply | 1.2 V ±3% input for processor core - requires low-noise regulation and local decoupling to maintain timing integrity at 400 MHz. |
| VDDIO | I/O power supply | 3.3 V ±5% input for peripherals and GPIOs - supports mixed-voltage interfacing with legacy industrial sensors and transceivers. |
| RESET | Active-low reset input | Synchronizes internal state machines and clears pipeline - asserted during power ramp and watchdog timeout events. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator reference - feeds on-chip PLL for generating 400 MHz core clock and peripheral clocks. |
| EMAC_RXD[3:0] | Ethernet receive data bus | 4-bit nibble interface to external PHY - operates at 25 MHz DDR for 100 Mbps operation with minimal trace skew. |
| PG11–PG14 | SPI0 interface pins | Drive internal 16 Mbit SPI flash (MOSI/MISO/SCK/SS) - signals are not exposed externally, enabling secure boot code storage. |
Key Features
| Feature | Design Value |
|---|---|
| Code Security with Lockbox | Hardware-enforced encryption and key storage in OTP memory - prevents firmware reverse engineering and unauthorized cloning of device identity. |
| Dual-MAC Signal Processing Engine | Two independent 16×16-bit multipliers with 40-bit accumulators - executes FFTs, FIR filters, and motor control algorithms in single-cycle throughput. |
| Flexible Boot Architecture | Supports boot from internal SPI flash, OTP, or external host - enables factory programming, field updates, and recovery modes without JTAG dependency. |
| Dynamic Power Management | Voltage/frequency scaling controlled by on-chip PMU - reduces active power by >40% during idle periods while maintaining interrupt latency under 100 ns. |
| Memory Protection Unit (MPU) | Configurable region-based access control for L1/L3 memory - isolates RTOS tasks and prevents stack overflow corruption in safety-critical firmware. |
Applications
| Industrial Ethernet Gateway | Smart Motor Drive Controller |
|---|---|
Use Scenario: Protocol translation between Modbus TCP and CANopen in factory automation networks. IC Role / Device Role / Timing Role: Real-time packet processing engine with IEEE 1588 timestamping and deterministic DMA-driven Ethernet/RSI interfaces. Use Value: Eliminates need for external FPGA or dual-processor architecture while meeting <100 μs cycle time requirements for motion synchronization. | Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in HVAC compressors. IC Role / Device Role / Timing Role: Integrated DSP+MCU executing FOC math, PWM generation, and sensor fusion - synchronized via 3-phase PWM unit and ADC triggers. Use Value: Reduces BOM count by integrating motor control IP, communication, and safety monitoring into one chip with certified functional safety ready architecture. |
| Video Surveillance Edge Node | Secure IoT Gateway |
Use Scenario: H.264 encoding acceleration and metadata tagging for IP cameras with motion detection. IC Role / Device Role / Timing Role: Video ALU-accelerated preprocessing pipeline feeding compressed stream to external encoder or network stack. Use Value: Processes 720p@30fps video analytics using dedicated 8-bit video ALUs without offloading to GPU or cloud. | Use Scenario: Secure firmware update and device attestation in utility smart metering infrastructure. IC Role / Device Role / Timing Role: Root-of-trust anchor with Lockbox-secured OTP keys, secure boot, and encrypted flash storage. Use Value: Meets IEC 62443-3-3 SL2 requirements for cryptographic key lifecycle management and anti-cloning protection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF518BSWZ-3 | Includes identical core and peripherals plus IEEE 1588 hardware timestamping; same 176-LQFP_EP package. | Required where sub-microsecond time synchronization across distributed nodes is mandatory (e.g., power substation automation). | Select ADSP-BF518BSWZ-3 only when IEEE 1588 timestamping accuracy below 100 ns is needed - otherwise ADSP-BF516BSWZ-3 offers identical performance at lower cost. |
| ADSP-BF514BBCZ-4 | Same core speed and memory but uses 168-ball CSP_BGA; lacks integrated Ethernet MAC and RSI controller. | Suitable for space-constrained portable devices where wired Ethernet and SD card interfaces are unnecessary. | Choose ADSP-BF514BBCZ-4 for compact form factor and reduced peripheral count - avoid if Ethernet or removable storage is required. |
Compared with ADSP-BF518BSWZ-3, the ADSP-BF516BSWZ-3 omits IEEE 1588 timestamping but retains full Ethernet MAC functionality; compared with ADSP-BF514BBCZ-4, it adds Ethernet, RSI, and larger L1 memory - making it optimal for industrial edge nodes needing connectivity and local processing without BGA assembly complexity.
Availability
ADSP-BF516BSWZ-3 is available at Aetrix Electronics and suitable for industrial automation, motor control, and networked edge computing applications requiring stable component supply, long-term lifecycle support, and automotive-qualified reliability.
Supply support for ADSP-BF516BSWZ-3 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 company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, industrial, and communications systems.
The ADSP-BF516BSWZ-3 belongs to the Blackfin® embedded processor family, designed specifically for applications demanding combined real-time signal processing, deterministic control, and embedded networking - targeting industrial, automotive, and medical edge devices.
FAQ
What is the maximum operating frequency of the ADSP-BF516BSWZ-3?
The ADSP-BF516BSWZ-3 operates at a maximum core frequency of 400 MHz, verified under specified voltage and temperature conditions per Analog Devices' Rev. D datasheet. This speed is sustained using the on-chip PLL with appropriate external clock input and stable 1.2 V VDDINT supply. The ADSP-BF516BSWZ-3 achieves this performance while maintaining full instruction-set compatibility with other Blackfin processors in the BF51x family.
Does the ADSP-BF516BSWZ-3 include on-chip flash memory?
Yes, the ADSP-BF516BSWZ-3 integrates a 16 Mbit SPI flash memory die inside the package, directly connected to SPI0 signals (PG11–PG14). This flash is used for secure boot code storage and cannot be accessed externally - programming is performed only by executing code on the ADSP-BF516BSWZ-3 itself, ensuring firmware integrity and preventing physical probing.
What package type does the ADSP-BF516BSWZ-3 use?
The ADSP-BF516BSWZ-3 uses a 176-lead LQFP_EP (low-profile quad flat package with exposed pad), measuring 24 mm × 24 mm with 0.5 mm lead pitch. The exposed thermal pad must be soldered to a PCB ground plane to meet thermal specifications for continuous 400 MHz operation as defined in the Analog Devices datasheet.
Is the ADSP-BF516BSWZ-3 qualified for automotive applications?
No, the ADSP-BF516BSWZ-3 is not automotive-qualified. While some BF51x variants (e.g., ADSP-BF518F16) are explicitly rated for automotive use per the datasheet's "Automotive Products" section on page 67, the ADSP-BF516BSWZ-3 is specified for industrial temperature range (−40°C to +85°C) and carries no AEC-Q100 qualification or automotive PPAP documentation.
How many general-purpose I/Os does the ADSP-BF516BSWZ-3 provide?
The ADSP-BF516BSWZ-3 provides exactly 40 general-purpose I/Os (GPIOs), configurable as inputs, outputs, or peripheral multiplexed functions. These are distributed across multiple port groups (e.g., PORTG, PORTH, PORTF) and support interrupt-on-change, slew-rate control, and pull-up/pull-down resistors - enabling direct interface with sensors, displays, and industrial fieldbus transceivers without external glue logic.
ADSP-BF516BSWZ-3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 176-LQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- Ethernet, I2C, PPI, RSI, SPI, SPORT, UART/USART
- Clock Rate:
- 300MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 116kB
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP-EP (24x24)
ADSP-BF516BSWZ-3 FAQ
1.How can I place an order for ADSP-BF516BSWZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516BSWZ-3 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-BF516BSWZ-3 reliable?
The price and inventory of ADSP-BF516BSWZ-3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF516BSWZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516BSWZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516BSWZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516BSWZ-3?
ADSP-BF516BSWZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516BSWZ-3 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-BF516BSWZ-3?
For technical support, including ADSP-BF516BSWZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516BSWZ-3 requirements.
6.How does Aetrix verify that ADSP-BF516BSWZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516BSWZ-3 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-BF516BSWZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516BSWZ-3?
All ADSP-BF516BSWZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516BSWZ-3, 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-BF516BSWZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF516BSWZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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