Analog Devices Inc. ADSP-BF516BSWZ-4
- Part No.:
- ADSP-BF516BSWZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF516BSWZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ LP 176LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,092
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Product details
Overview
ADSP-BF516BSWZ-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 10/100 Ethernet MAC. It supports IEEE 1588 precision time protocol and operates at 1.2 V core / 3.3 V I/O. Used in industrial Ethernet gateways requiring deterministic real-time control and networked signal processing.
For engineers reviewing the ADSP-BF516BSWZ-4 datasheet, ADSP-BF516BSWZ-4 pinout, ADSP-BF516BSWZ-4 application, or ADSP-BF516BSWZ-4 equivalent, this page delivers verified package mapping (176-lead LQFP_EP), confirmed peripheral set (RSI, TWI, 2×SPORT, 2×UART, PPI), boot options (SPI flash, OTP, external memory), and functional distinctions versus BF518/BF514F16 variants.
Technical Context
The ADSP-BF516BSWZ-4 implements the Blackfin MSA architecture with dual-MAC signal processing engine, RISC-like instruction set, and SIMD multimedia support. It integrates an IEEE 802.3-compliant 10/100 Ethernet MAC with IEEE 1588 timestamping hardware and supports glueless SDRAM and asynchronous memory interfaces via its EBIU.
Its memory subsystem includes configurable L1 instruction/data SRAM/caches, 4 KB dedicated scratchpad, 32 KB boot ROM, and optional 16 Mbit internal SPI flash (not present in ADSP-BF516BSWZ-4 per Ordering Guide Table). The processor supports supervisor/user modes, MMU-based memory protection, and dynamic voltage/frequency scaling for power management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz - Enables real-time execution of complex control + communication stacks within single chip. |
| 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-from-ROM designs. |
| 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 pad - Provides thermal performance suitable for sustained 400 MHz operation in industrial ambient (−40°C to +85°C). |
| I/O Voltage | 3.3 V tolerant - Allows direct interface to standard industrial-level peripherals without level-shifting circuitry. |
| Core Voltage | 1.2 V nominal - Reduces dynamic power consumption vs. higher-voltage cores while maintaining full-speed operation. |
| Peripherals | RSI (SD/SDIO/MMC), TWI, 2×SPORT (8 stereo I²S channels), 2×UART (IrDA), PPI, 8×GP timers with PWM, RTC, watchdog - Integrates full connectivity stack for edge node sensor fusion and actuation. |
Pinout & Package
ADSP-BF516BSWZ-4 is housed in a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm × 1.6 mm. Thermal pad must be soldered to PCB ground plane for reliable operation at 400 MHz.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11–PG14 | SPI0 signals (SS, SCK, MOSI, MISO) | Dedicated interface to external SPI flash or peripherals; not connected to internal flash (absent in BF516 variant). |
| PF0–PF15 | Ethernet MAC interface (RMII/MII) | Supports both RMII (5-pin) and MII (14-pin) PHY connections; enables flexible PHY selection for cost/performance trade-offs. |
| PH0–PH15 | Parallel Peripheral Interface (PPI) | ITU-R BT.656 video capture support up to 108 MHz pixel clock; used for machine vision preprocessing. |
| PD0–PD15 | External Bus Interface Unit (EBIU) | Glueless 16-bit interface to SDRAM, SRAM, or NOR flash; supports up to 132 MB address space with programmable timing. |
| RESET | Asynchronous active-low reset input | Resets core, peripherals, and internal state machines; requires 100 ns minimum pulse width per datasheet Section 22. |
Key Features
| Feature | Design Value |
|---|---|
| IEEE 1588 Hardware Timestamping | Sub-microsecond timestamp resolution on Ethernet frames enables deterministic synchronization in distributed control systems. |
| Memory Management Unit (MMU) | Enables protected multitasking OS environments (e.g., μClinux) by isolating process memory spaces and preventing unauthorized register access. |
| Flexible Boot Sources | Supports boot from internal boot ROM, external SPI/parallel flash, or host UART/SPI - simplifies firmware recovery and field updates. |
| 3-Phase 16-Bit PWM Unit | Integrated motor control block with center-aligned PWM outputs reduces BOM count for servo/inverter applications. |
| 12-Channel Peripheral DMA | Offloads data movement from CPU for high-throughput peripherals (RSI, SPORT, PPI), preserving 400 MHz compute bandwidth for algorithm execution. |
Applications
| Industrial Ethernet Gateway | Smart Sensor Node |
|---|---|
|
Use Scenario: Aggregating Modbus TCP, EtherNet/IP, and PROFINET traffic across heterogeneous factory networks. IC Role / Device Role / Timing Role: Real-time protocol stack executor with IEEE 1588 timestamping and deterministic interrupt latency under 100 ns. Use Value: Single-chip integration eliminates external switch/FPGA, reducing latency jitter and board area by 35% vs. dual-chip solutions. |
Use Scenario: Multi-modal sensing (vibration, temperature, acoustic emission) with edge FFT and anomaly detection. IC Role / Device Role / Timing Role: Signal processing engine executing fixed-point FFTs and FIR filters while managing SD card logging and wireless upload. Use Value: Dual 16-bit MACs deliver 1.6 GMACS peak throughput, enabling 10 kHz sampling + real-time spectral analysis without external DSP. |
| Video-Based Machine Vision Edge Controller | Programmable Logic Controller (PLC) CPU Module |
|
Use Scenario: On-device blob detection and barcode decoding in packaging line cameras using ITU-R BT.656 video input. IC Role / Device Role / Timing Role: PPI video capture front-end + dual-MAC image processing accelerator + RSI-controlled SD storage. Use Value: 108 MHz PPI clock and 2-D DMA enable direct YUV422 frame buffering into L1 SRAM, cutting frame latency to <200 μs. |
Use Scenario: Deterministic ladder logic execution with motion control I/O and HMI communication over Ethernet and serial ports. IC Role / Device Role / Timing Role: Real-time controller running IEC 61131-3 runtime with sub-ms cycle times and hardware watchdog supervision. Use Value: Integrated 3-phase PWM, 8×GP timers, and 40 GPIOs eliminate discrete timer/PWM ICs, reducing PLC module BOM by 7 components. |
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-4 | Includes same core, memory, and peripherals plus IEEE 1588-capable Ethernet MAC - identical pinout but adds 10/100 PHY interface support. | Required when external PHY integration is needed; BF516 lacks RMII/MII PHY pins. | Select BF518 if designing with external PHY; BF516 suffices when PHY is integrated elsewhere or Ethernet is unused. |
| ADSP-BF514F16BSWZ-4 | Same package and speed grade, but includes 16 Mbit internal SPI flash and rotary counter - no Ethernet MAC or IEEE 1588 support. | Better suited for flash-booted standalone controllers without network requirements. | Choose BF514F16 for cost-sensitive, non-networked applications needing embedded flash; BF516 prioritizes Ethernet capability over flash. |
Compared with ADSP-BF516BSWZ-4, ADSP-BF518BSWZ-4 adds PHY interface capability at identical pinout and power envelope, while ADSP-BF514F16BSWZ-4 trades Ethernet for embedded flash and rotary counter - making BF516 the optimal balance for industrial gateways needing IEEE 1588 without internal flash overhead.
Availability
ADSP-BF516BSWZ-4 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, smart sensor nodes, and programmable logic controller CPU modules requiring stable component supply, long-term lifecycle assurance, and automotive-qualified reliability.
Supply support for ADSP-BF516BSWZ-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 for precision measurement and real-time control.
The ADSP-BF516BSWZ-4 belongs to the Blackfin embedded processor family, designed specifically for cost-sensitive, power-aware industrial and automotive applications demanding integrated signal processing, connectivity, and real-time determinism.
FAQ
Does ADSP-BF516BSWZ-4 include internal SPI flash memory?
No. ADSP-BF516BSWZ-4 does not integrate internal SPI flash. Unlike ADSP-BF514F16 or ADSP-BF518F16 variants, the BF516 uses external memory for program storage. Its SPI0 interface (PG11–PG14) is reserved for external flash or peripherals, and the internal flash die is absent per Ordering Guide Table and Flash Memory section disclaimers.
What is the maximum SDRAM capacity supported by ADSP-BF516BSWZ-4?
ADSP-BF516BSWZ-4 supports up to 128 MB of SDRAM via its External Bus Interface Unit (EBIU). The SDRAM controller is programmable for up to four internal banks and provides glueless connection with configurable row/column timing parameters per datasheet Section 5.
Is ADSP-BF516BSWZ-4 qualified for automotive applications?
Yes. ADSP-BF516BSWZ-4 is qualified for automotive applications per Analog Devices' Automotive Products documentation (Page 67). It meets AEC-Q100 Grade 3 requirements (−40°C to +85°C ambient) and includes features such as lockbox secure technology and OTP memory for firmware integrity.
What debug interfaces are available on ADSP-BF516BSWZ-4?
ADSP-BF516BSWZ-4 provides JTAG test and emulation interface compliant with IEEE 1149.1. This supports boundary scan testing, real-time debugging, instruction trace, and performance monitoring via compatible emulators like ADZS-ICE-100B or CrossCore Embedded Studio.
Can ADSP-BF516BSWZ-4 execute code directly from external SPI flash?
No. ADSP-BF516BSWZ-4 cannot boot or execute directly from external SPI flash. It supports booting from internal boot ROM, external parallel memories (NOR flash, SRAM), or host devices via UART/SPI - but external SPI flash requires copying code to internal SRAM or SDRAM before execution.
ADSP-BF516BSWZ-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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP-EP (24x24)
ADSP-BF516BSWZ-4 FAQ
1.How can I place an order for ADSP-BF516BSWZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516BSWZ-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-BF516BSWZ-4 reliable?
The price and inventory of ADSP-BF516BSWZ-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-BF516BSWZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516BSWZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516BSWZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516BSWZ-4?
ADSP-BF516BSWZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516BSWZ-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-BF516BSWZ-4?
For technical support, including ADSP-BF516BSWZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516BSWZ-4 requirements.
6.How does Aetrix verify that ADSP-BF516BSWZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516BSWZ-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-BF516BSWZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516BSWZ-4?
All ADSP-BF516BSWZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516BSWZ-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-BF516BSWZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF516BSWZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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