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Analog Devices Inc. ADSP-BF516KSWZ-4
- Part No.:
- ADSP-BF516KSWZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF516KSWZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,899
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Product details
Overview
ADSP-BF516KSWZ-4 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 16 Mbit SPI flash. It features IEEE 802.3-compliant 10/100 Ethernet MAC, RSI for SD/SDIO, two SPORTs, two UARTs, and 40 GPIOs - deployed in industrial motor control and networked embedded gateways.
For engineers reviewing the ADSP-BF516KSWZ-4 datasheet, ADSP-BF516KSWZ-4 pinout, ADSP-BF516KSWZ-4 application, or ADSP-BF516KSWZ-4 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, Ethernet MAC presence (distinguishing it from BF512/BF514), absence of IEEE 1588 support, and verified boot-from-SPI-flash capability with Lockbox security.
Technical Context
The ADSP-BF516KSWZ-4 implements the Blackfin Micro Signal Architecture (MSA) with a modified Harvard memory system: L1 instruction and data memories operate at full core speed, configurable as SRAM or cache, while the 4 KB scratchpad provides dedicated low-latency stack space. Its memory management unit (MMU) enforces task-level memory protection in supervisor/user modes.
Peripherals are interconnected via high-bandwidth internal buses - the Ethernet MAC and RSI controller each drive dedicated DMA channels, while the 12 peripheral DMAs and 2 memory-to-memory DMAs enable zero-CPU-overhead transfers between L1 memory, SDRAM, and peripherals like SPORTs, SPI, and UARTs. The on-chip PLL supports frequency multiplication from external clock sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz - enables real-time audio/video processing and deterministic motor control loop execution within sub-10 μs latency. |
| On-Chip Memory | 116 KB total: 32 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad, 32 KB boot ROM - eliminates need for external code RAM in many boot-critical applications. |
| Integrated Flash | 16 Mbit SPI flash - provides secure, in-package nonvolatile storage for firmware and configuration; not accessible externally, preventing probing. |
| Ethernet Interface | IEEE 802.3 10/100 MAC - enables direct LAN connectivity without external PHY; supports MII/RMII but requires external PHY for physical layer. |
| Package | 176-lead LQFP_EP with exposed thermal pad - supports industrial temperature range (−40°C to +85°C) and requires standard QFP reflow profile. |
| Power Management | Dynamic voltage/frequency scaling - allows runtime adjustment of VDDINT and core clock to reduce power by >50% during idle or low-load states. |
| Security | Lockbox secure technology + 64 Kb OTP memory - enables cryptographic key storage, device authentication, and immutable firmware signature verification. |
Pinout & Package
ADSP-BF516KSWZ-4 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. Thermal pad must be soldered to PCB ground plane for reliable operation at full 400 MHz.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11 (SPI0SS) | Flash chip select | Asserts active-low signal to internal 16 Mbit SPI flash die; not routed externally - used only by on-chip boot ROM and firmware. |
| PG12 (SPI0SCK) | Flash clock | Provides SPI clock to internal flash; operates at VDDFLASH level (1.8 V), isolated from external VDDEXT domain. |
| PG14 (SPI0MOSI) | Flash data in | Serial input to internal flash; driven by core during programming - no external access permitted per security architecture. |
| PG13 (SPI0MISO) | Flash data out | Serial output from internal flash; read-only path for firmware execution - prevents external eavesdropping on flash contents. |
| PH8 / SEL4 | Flash select mux control | Configures internal multiplexer to route SPI0 signals to internal flash die instead of external SPI port. |
| RESET | Global reset input | Active-low synchronous reset that initializes core, peripherals, and internal flash interface; asserted during power-on and watchdog timeout. |
Key Features
| Feature | Design Value |
|---|---|
| Code Security with Lockbox | Prevents unauthorized firmware extraction or modification via hardware-enforced encryption keys and secure boot validation. |
| Glueless External Memory Interface | Direct connection to SDRAM (up to 128 MB), asynchronous flash/SRAM (4 banks × 1 MB), eliminating address latches and glue logic. |
| Real-Time Peripheral DMA | 12 dedicated peripheral DMAs + 2 memory DMAs enable concurrent audio streaming (SPORT), Ethernet packet handling, and motor PWM updates without CPU intervention. |
| Flexible Boot Options | Supports boot from internal SPI flash, OTP memory, external SPI/parallel memories, or host devices via SPI/UART - simplifies field firmware updates and manufacturing provisioning. |
| Industrial Temperature Range | Rated for −40°C to +85°C operation - validated for use in motor drives, PLCs, and outdoor network edge devices without derating. |
Applications
| Industrial Motor Control | Networked Building Automation Gateway |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors with real-time current sensing and field-oriented control (FOC). IC Role / Device Role / Timing Role: Primary compute engine executing FOC algorithm, generating 3-phase PWM signals, sampling ADCs, and managing CAN/Ethernet communication. Use Value: Integrated 3-phase 16-bit PWM unit with center-aligned mode and dead-time insertion eliminates external gate driver timing ICs; 400 MHz core ensures <5 μs loop cycle time. | Use Scenario: Edge gateway aggregating BACnet MS/TP, Modbus RTU, and KNX devices into a unified IP-based building management system. IC Role / Device Role / Timing Role: Protocol translation hub running multiple concurrent stacks, buffering sensor data, and serving web UI over Ethernet. Use Value: On-chip 10/100 Ethernet MAC + RSI for SD card logging + 2 UARTs for legacy bus interfaces reduces bill-of-materials by three discrete ICs. |
| Secure Audio Conferencing Endpoint | Automotive Diagnostic Tool |
Use Scenario: VoIP conferencing device with echo cancellation, noise suppression, and encrypted SIP signaling in enterprise meeting rooms. IC Role / Device Role / Timing Role: Real-time DSP host for acoustic processing algorithms and secure TLS/DTLS stack execution. Use Value: Dual 16-bit MACs and video ALUs accelerate fixed-point FFTs and FIR filters; Lockbox secures private keys and firmware against tampering. | Use Scenario: Handheld OBD-II scanner supporting UDS, KWP2000, and DoIP protocols with Bluetooth and USB connectivity. IC Role / Device Role / Timing Role: Protocol interpreter and diagnostic session manager interfacing with vehicle ECUs via CAN and communicating with mobile apps. Use Value: Qualified for automotive applications (AEC-Q100 Grade 3), includes OTP storage for VIN and calibration data, and supports CAN transceiver interface via GPIO-controlled enable lines. |
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-4 | Includes IEEE 1588 precision time protocol support and identical peripherals except flash; same 176-LQFP_EP package. | Required for time-synchronized industrial Ethernet (e.g., IEC 61850 GOOSE, TSN-aware gateways); unnecessary overhead if PTP is unused. | Select ADSP-BF518KSWZ-4 only when sub-microsecond clock synchronization across network nodes is mandatory. |
| ADSP-BF514BBCZ-4 | Same core and memory, but 168-ball CSP_BGA package; lacks integrated SPI flash and Ethernet MAC. | Suitable for space-constrained, cost-sensitive designs where external flash and PHY are acceptable; not drop-in compatible due to package and peripheral differences. | Choose ADSP-BF514BBCZ-4 for compact portable devices needing lower power and smaller footprint, accepting added BOM complexity. |
Compared with ADSP-BF516KSWZ-4, ADSP-BF518KSWZ-4 adds IEEE 1588 without sacrificing performance or package compatibility, while ADSP-BF514BBCZ-4 trades flash integration and Ethernet for size reduction - making the BF516 the optimal balance of security, connectivity, and form factor for industrial gateways.
Availability
ADSP-BF516KSWZ-4 is available at Aetrix Electronics and suitable for industrial motor control, networked building automation gateways, secure audio endpoints, and automotive diagnostic tools requiring stable component supply across multi-year production cycles.
Supply support for ADSP-BF516KSWZ-4 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.
The Blackfin processor family - including ADSP-BF516KSWZ-4 - was designed for cost-sensitive, power-aware embedded applications demanding real-time signal processing, rich peripheral integration, and robust security in industrial, automotive, and communications systems.
FAQ
What is the maximum operating frequency of the ADSP-BF516KSWZ-4?
The ADSP-BF516KSWZ-4 is rated for a maximum core clock frequency of 400 MHz under specified operating conditions (VDDINT = 1.25 V, industrial temperature range). This speed is guaranteed across the full −40°C to +85°C ambient range and enables deterministic execution of real-time control loops and multimedia algorithms without throttling.
Does the ADSP-BF516KSWZ-4 include an integrated Ethernet PHY?
No, the ADSP-BF516KSWZ-4 integrates only the IEEE 802.3-compliant 10/100 Ethernet MAC. An external PHY (e.g., DP83848, LAN8720) is required for physical layer connectivity. The MAC supports both MII and RMII interfaces and includes dedicated DMA channels for zero-copy packet handling in the ADSP-BF516KSWZ-4.
Can the internal 16 Mbit SPI flash in the ADSP-BF516KSWZ-4 be accessed directly by external debug tools?
No - the internal SPI flash in the ADSP-BF516KSWZ-4 is connected exclusively to the processor's SPI0 peripheral via internal traces (PG11–PG14, PH8) and is not exposed to external pins. Programming and readback must occur through firmware executed on the ADSP-BF516KSWZ-4 itself, enforcing Lockbox security boundaries.
Is the ADSP-BF516KSWZ-4 qualified for automotive applications?
Yes, the ADSP-BF516KSWZ-4 is qualified for automotive applications per AEC-Q100 Grade 3 (−40°C to +85°C) and includes features such as OTP memory for VIN storage, watchdog timer for fail-safe operation, and robust ESD tolerance - making it suitable for body control modules, diagnostic tools, and infotainment subsystems.
What boot sources does the ADSP-BF516KSWZ-4 support?
The ADSP-BF516KSWZ-4 supports flexible booting from internal 16 Mbit SPI flash, one-time programmable (OTP) memory, external SPI or parallel memories, and host devices via SPI or UART. Boot mode is selected using hardware strapping pins (BOOT[2:0]), and the on-chip boot ROM automatically configures the chosen interface before transferring control to user code in the ADSP-BF516KSWZ-4.
ADSP-BF516KSWZ-4 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:
- 400MHz
- 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-4 FAQ
1.How can I place an order for ADSP-BF516KSWZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516KSWZ-4 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-4 reliable?
The price and inventory of ADSP-BF516KSWZ-4 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-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516KSWZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516KSWZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516KSWZ-4?
ADSP-BF516KSWZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516KSWZ-4 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-4?
For technical support, including ADSP-BF516KSWZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516KSWZ-4 requirements.
6.How does Aetrix verify that ADSP-BF516KSWZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516KSWZ-4 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-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516KSWZ-4?
All ADSP-BF516KSWZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516KSWZ-4, 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-4 part is unused and in its original packaging.
Return procedure for ADSP-BF516KSWZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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