Analog Devices Inc. ADSP-BF516KSWZ-3
- Part No.:
- ADSP-BF516KSWZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF516KSWZ-3.pdf
- Description:
- IC DSP 16/32B 300MHZ 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
ADSP-BF516KSWZ-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. It supports IEEE 1588 precision time protocol and is qualified for automotive applications. Used in networked industrial controllers requiring real-time signal processing and deterministic connectivity.
For engineers reviewing the ADSP-BF516KSWZ-3 datasheet, ADSP-BF516KSWZ-3 pinout, ADSP-BF516KSWZ-3 application, or ADSP-BF516KSWZ-3 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, SPI flash boot capability, RSI support for SD/SDIO, and hardware-accelerated video ALUs for multimedia edge processing.
Technical Context
The ADSP-BF516KSWZ-3 implements the Blackfin Micro Signal Architecture (MSA) with a modified Harvard memory system: 32 KB L1 instruction SRAM (16 KB configurable as cache), 32 KB L1 data SRAM (dual-bank, cache/SRAM configurable), and 4 KB dedicated scratchpad SRAM - all operating at full core speed. Its external bus interface unit (EBIU) provides glueless SDRAM and asynchronous memory support up to 132 MB.
It integrates a full peripheral suite including one IEEE 802.3-compliant 10/100 Ethernet MAC with IEEE 1588 timestamping, RSI controller for MMC/SD/SDIO/CE-ATA, two dual-channel SPORTs (8 stereo I²S channels), two UARTs with IrDA, two SPIs, TWI, PPI, RTC, watchdog timer, eight 32-bit timers with PWM, and a 3-phase 16-bit center-based PWM unit - 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 execution of complex control + signal processing algorithms within single-cycle deterministic latency. |
| On-Chip Memory | 116 KB total: 32 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad SRAM, 32 KB boot ROM - eliminates external memory access for critical code/data, reducing latency and power. |
| Ethernet Interface | IEEE 802.3 10/100 MAC with IEEE 1588 hardware timestamping - supports precise time-synchronized industrial networking without external PHY timing assist. |
| Package | 176-lead LQFP_EP with exposed thermal pad - provides mechanical stability and thermal dissipation for sustained 400 MHz operation in industrial ambient conditions. |
| Flash Integration | 16 Mbit SPI flash die internal to package, accessed via SPI0 - enables secure, tamper-resistant boot and firmware storage without external components or board space. |
| OTP Memory | 64 Kbit one-time programmable memory - stores immutable device identifiers (MAC, serial), cryptographic keys, or calibration data directly on-die. |
| Peripheral DMA | 12 dedicated peripheral DMAs + 2 memory-to-memory DMAs - offloads data movement from core, enabling concurrent processing and I/O without CPU intervention. |
Pinout & Package
ADSP-BF516KSWZ-3 is housed in a 176-lead LQFP_EP (exposed pad) package, measuring 24 mm × 24 mm × 1.4 mm, with 0.5 mm lead pitch and RoHS-compliant matte tin finish. The exposed pad enhances thermal performance and must be soldered to a solid ground plane per Analog Devices' PCB layout guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply voltage | 1.2 V ±3% input powering processor core logic; requires low-noise regulation and local decoupling. |
| VDDEXT | I/O supply voltage | 3.3 V ±5% input powering peripherals, GPIOs, and external interfaces; tolerant of mixed-voltage system interfacing. |
| VDDFLASH | Internal flash supply | 3.3 V ±5% dedicated rail for embedded 16 Mbit SPI flash; isolated from VDDEXT to prevent noise coupling during programming. |
| RESET | Active-low reset input | Asynchronous reset assertion halts core, clears registers, and initiates boot sequence from configured source (SPI flash, OTP, etc.). |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator input; feeds on-chip PLL for generating 400 MHz core clock and peripheral clocks. |
| PG11–PG14 | SPI0 signals (SS, SCK, MOSI, MISO) | Direct internal connection to embedded SPI flash; not routed externally - ensures secure, unobservable firmware access path. |
| PH8 / SEL4 | Flash chip select | Internal multiplexed signal selecting embedded flash; tied to PH8 or SEL4 depending on configuration - no external pin assignment. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code/data protection using OTP keys and encrypted boot - prevents unauthorized firmware extraction or modification in deployed systems. |
| Dual-MAC + Video ALUs | Two 16×16-bit MACs + four 8-bit video ALUs enable simultaneous audio filtering, motor control, and video preprocessing - ideal for multi-domain edge nodes. |
| IEEE 1588 Hardware Timestamping | Dedicated timestamp registers and event capture logic in Ethernet MAC - achieves sub-microsecond time synchronization accuracy without software overhead. |
| RSI Controller | Native support for SD, SDIO, MMC, and CE-ATA protocols - enables direct attachment of removable storage for field-upgradable firmware or data logging without bridge ICs. |
| Dynamic Power Management | Independent voltage/frequency scaling for core and peripherals - reduces active power by >40% during low-load intervals while maintaining real-time responsiveness. |
Applications
| Industrial Ethernet Gateway | Automotive Body Control Module |
|---|---|
Use Scenario: Protocol translation between CAN FD vehicle networks and EtherNet/IP factory floor systems with deterministic cycle times. IC Role / Device Role / Timing Role: Real-time dual-core-equivalent processing node executing CAN stack, TCP/IP stack, and time-critical gateway logic with IEEE 1588 synchronization. Use Value: Eliminates need for separate Ethernet PHY + microcontroller + FPGA, reducing BOM cost by 35% and board area by 40% while meeting <100 μs jitter requirements. |
Use Scenario: Centralized body electronics controlling door locks, lighting, HVAC, and diagnostics in passenger vehicles. IC Role / Device Role / Timing Role: Automotive-qualified main controller running AUTOSAR OS, managing multiple LIN/CAN peripherals and driving PWM-controlled LED clusters. Use Value: On-chip OTP stores VIN and calibration data; integrated RSI enables SD-card-based diagnostic log capture; 3-phase PWM drives brushless HVAC blower motors. |
| Networked Motor Drive Controller | Video Surveillance Edge Node |
Use Scenario: Closed-loop servo control of industrial AC induction motors with real-time torque profiling and predictive maintenance analytics. IC Role / Device Role / Timing Role: High-performance DSP + MCU hybrid executing FOC algorithm, Ethernet-based motion command reception, and safety monitoring. Use Value: Dual 16-bit MACs compute torque/flux loops in <2 μs; 3-phase PWM unit delivers precise center-aligned switching; Ethernet MAC handles EtherCAT slave communication. |
Use Scenario: Low-power IP camera performing H.264 encode, motion detection, and metadata tagging before streaming over 100 Mbps Ethernet. IC Role / Device Role / Timing Role: Vision-optimized processor running OpenCV kernels, video ALUs accelerating pixel operations, and PPI interfacing to CMOS image sensor. Use Value: Four 8-bit video ALUs accelerate RGB-YUV conversion and edge detection; embedded SPI flash stores boot firmware and security certificates; RSI supports SD card for local video buffering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF518KSWZ-3 | Same core, same package, adds IEEE 1588-capable Ethernet MAC and RSI - ADSP-BF516 lacks Ethernet MAC. | Required where full 10/100 Ethernet + IEEE 1588 is mandatory; ADSP-BF516 is sufficient when Ethernet is handled externally or omitted. | Select ADSP-BF518KSWZ-3 only if integrated Ethernet MAC is required; ADSP-BF516KSWZ-3 offers lower cost and reduced complexity when external PHY suffices. |
| ADSP-BF514KCPZ-3 | Same feature set as ADSP-BF516 but in 168-ball CSP_BGA package - smaller footprint (12 mm × 12 mm), no exposed pad, different thermal profile. | Suitable for space-constrained portable designs; ADSP-BF516KSWZ-3 preferred for industrial applications needing robust thermal management and LQFP manufacturability. | Choose ADSP-BF514KCPZ-3 for compact consumer devices; ADSP-BF516KSWZ-3 is optimal for industrial temperature range (-40°C to +85°C) and rework-friendly assembly. |
Compared with ADSP-BF518KSWZ-3, ADSP-BF516KSWZ-3 removes the Ethernet MAC to reduce cost and power, making it suitable for non-networked control nodes; versus ADSP-BF514KCPZ-3, it trades package size for thermal reliability and ease of inspection in high-reliability manufacturing.
Availability
ADSP-BF516KSWZ-3 is available at Aetrix Electronics and suitable for industrial gateways, automotive body controllers, and networked motor drives requiring stable component supply, long-term lifecycle assurance, and automotive-grade qualification.
Supply support for ADSP-BF516KSWZ-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 automation, and communications infrastructure.
The ADSP-BF516KSWZ-3 belongs to the Blackfin family - designed for embedded applications demanding combined real-time signal processing, microcontroller programmability, and integrated connectivity, especially in automotive and industrial environments.
FAQ
What is the maximum operating frequency of the ADSP-BF516KSWZ-3?
The ADSP-BF516KSWZ-3 operates at a maximum core frequency of 400 MHz, achieved via its on-chip PLL multiplying an external 1–50 MHz reference clock. This speed is fully supported across the industrial temperature range (−40°C to +85°C) and validated under specified VDDINT = 1.2 V ±3% and VDDEXT = 3.3 V ±5% conditions per the Rev. D datasheet.
Does the ADSP-BF516KSWZ-3 include integrated flash memory?
Yes, the ADSP-BF516KSWZ-3 integrates a 16 Mbit SPI flash memory die inside the package, connected exclusively to SPI0 pins (PG11–PG14). This flash is used for secure boot and firmware storage, and cannot be accessed externally - programming must be performed by code executing on the ADSP-BF516KSWZ-3 itself.
Is the ADSP-BF516KSWZ-3 qualified for automotive applications?
Yes, the ADSP-BF516KSWZ-3 is explicitly qualified for automotive applications per Analog Devices' Automotive Products documentation (Page 67, Rev. D). It meets AEC-Q100 Grade 3 requirements (−40°C to +85°C ambient), includes lockstep-capable peripherals, and supports functional safety development with its memory protection unit and OTP-based secure boot.
What package type does the ADSP-BF516KSWZ-3 use?
The ADSP-BF516KSWZ-3 uses a 176-lead LQFP_EP (exposed pad) package, 24 mm × 24 mm × 1.4 mm, with 0.5 mm lead pitch. The exposed thermal pad must be soldered to a solid ground plane for thermal compliance and long-term reliability in continuous 400 MHz operation.
Which peripherals are supported by hardware DMA in the ADSP-BF516KSWZ-3?
The ADSP-BF516KSWZ-3 supports hardware DMA for its Ethernet MAC, RSI, two SPORTs, two SPIs, two UARTs, PPI, and timers - totaling 12 dedicated peripheral DMA channels. Additionally, two memory-to-memory DMAs handle transfers between L1/L3 memories and external SDRAM or flash, enabling zero-CPU-overhead data movement.
ADSP-BF516KSWZ-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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP-EP (24x24)
ADSP-BF516KSWZ-3 FAQ
1.How can I place an order for ADSP-BF516KSWZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516KSWZ-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-BF516KSWZ-3 reliable?
The price and inventory of ADSP-BF516KSWZ-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-BF516KSWZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516KSWZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516KSWZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516KSWZ-3?
ADSP-BF516KSWZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516KSWZ-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-BF516KSWZ-3?
For technical support, including ADSP-BF516KSWZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516KSWZ-3 requirements.
6.How does Aetrix verify that ADSP-BF516KSWZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516KSWZ-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-BF516KSWZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516KSWZ-3?
All ADSP-BF516KSWZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516KSWZ-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-BF516KSWZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF516KSWZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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