Analog Devices Inc. ADSP-BF518BSWZ-4
- Part No.:
- ADSP-BF518BSWZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF518BSWZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ LP 176LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
ADSP-BF518BSWZ-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), IEEE 802.3-compliant 10/100 Ethernet MAC with IEEE 1588 support, and 40 GPIOs - deployed in industrial Ethernet gateways requiring real-time signal processing and network connectivity.
For engineers reviewing the ADSP-BF518BSWZ-4 datasheet, ADSP-BF518BSWZ-4 pinout, ADSP-BF518BSWZ-4 application, or ADSP-BF518BSWZ-4 equivalent, key selection criteria include integrated Ethernet MAC timing compliance, SPI flash boot capability, LQFP_EP package thermal performance, and Blackfin ISA code compatibility across ADSP-BF51x family variants.
Technical Context
The ADSP-BF518BSWZ-4 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 for SIMD-accelerated signal processing.
Peripherals are interconnected via dedicated high-bandwidth buses: the Ethernet MAC operates on its own DMA channel with IEEE 1588 timestamping logic; the PPI supports ITU-R BT.656 video formats; and the RSI controller handles SDIO/SD/MMC protocols - all accessible without external glue logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum operating frequency - enables real-time execution of dual-MAC audio/video algorithms within single-cycle latency bounds. |
| On-Chip Memory | 116 KB total: 48 KB L1 instruction (16 KB cacheable), 64 KB L1 data (32 KB ×2 banks), 4 KB scratchpad - eliminates external RAM for boot and critical ISR code. |
| Ethernet Interface | IEEE 802.3 10/100 MAC with IEEE 1588-2008 hardware timestamping - supports deterministic time-synchronized industrial control networks. |
| Integrated Flash | 16 Mbit SPI flash die internal to package - provides secure, non-removable boot image storage with software write protection and 4 KB sector erase. |
| Package | 176-lead LQFP_EP with exposed pad - delivers 2.8°C/W junction-to-case thermal resistance for sustained 400 MHz operation in convection-cooled enclosures. |
| Power Management | Dynamic voltage/frequency scaling (DVFS) with on-chip PLL - reduces active power by >40% vs fixed-frequency operation under variable workload. |
| OTP Memory | 64 Kbit one-time programmable memory - stores immutable device identifiers (MAC address, serial number) and cryptographic keys without external EEPROM. |
Pinout & Package
ADSP-BF518BSWZ-4 uses a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm × 1.6 mm, with 0.5 mm lead pitch and RoHS-compliant matte tin finish. Thermal pad soldered to PCB ground plane ensures reliable heat dissipation at full speed.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11 (SPI0SS) | Internal SPI Flash Chip Select | Asserts active-low to enable communication with on-package 16 Mbit SPI flash; not routed externally - prevents external probing of boot image. |
| PG12 (SPI0SCK) | Internal SPI Flash Clock | Provides 25 MHz clock to internal flash die; synchronous to core clock domain - enables deterministic boot timing independent of external clock sources. |
| PG14 (SPI0MOSI) | Internal SPI Flash Data Out | Transfers boot code from internal flash to L1 instruction memory during cold start; no external pin mapping - enforces secure boot chain. |
| PH8 / SEL4 | Flash Address Selection | Selects between internal flash (SEL4 = low) and external SPI devices (SEL4 = high); multiplexed with GPIO - allows runtime reconfiguration of boot source. |
| RESET | Asynchronous Reset Input | Active-low signal that forces core, peripherals, and internal flash into known state; synchronized to core clock - guarantees deterministic initialization sequence. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code/data encryption and tamper detection - prevents unauthorized firmware extraction or runtime memory dumping. |
| IEEE 1588 Hardware Timestamping | Dedicated timestamp registers synchronized to Ethernet PHY clock - achieves sub-100 ns time accuracy for distributed motion control systems. |
| 3-Phase 16-bit PWM Unit | Three independent PWM pairs with center-aligned output and dead-time insertion - directly drives brushless DC motor inverters without external gate drivers. |
| Parallel Peripheral Interface (PPI) | ITU-R BT.656 compliant 8-/10-/12-bit video capture up to 75 MHz pixel clock - interfaces to CMOS image sensors in machine vision edge nodes. |
| RSI Controller | SDIO/SD/MMC/CE-ATA host interface with 4-bit wide data bus - enables removable storage for field-upgradable firmware and log data capture. |
Applications
| Industrial Ethernet Gateway | Smart Camera Edge Node |
|---|---|
|
Use Scenario: Protocol translation between Modbus RTU field devices and cloud-connected MQTT brokers over wired Ethernet. IC Role / Device Role / Timing Role: Real-time protocol stack execution engine with IEEE 1588 time synchronization for deterministic packet scheduling. Use Value: Eliminates need for external Ethernet PHY and timing IC - reduces BOM cost by $2.10 and board area by 180 mm². |
Use Scenario: On-device H.264 encoding and AI inference preprocessing for factory floor visual inspection. IC Role / Device Role / Timing Role: Video acquisition controller (via PPI), DSP accelerator (dual MAC), and encoder host (RSI → SD card). Use Value: Processes 720p@30fps video with <50 ms end-to-end latency using on-chip L1 memory - avoids DDR bottleneck and external video processor. |
| Programmable Logic Controller (PLC) | Energy Meter with Grid Sync |
|
Use Scenario: Deterministic I/O scanning and ladder logic execution in DIN-rail mounted PLCs with EtherCAT slave capability. IC Role / Device Role / Timing Role: Real-time control processor with 3-phase PWM for servo drive interface and Ethernet MAC for fieldbus bridging. Use Value: Achieves 100 μs cycle time jitter using hardware timer interrupts and MMU-protected task isolation - meets IEC 61131-3 hard real-time requirements. |
Use Scenario: Revenue-grade electricity metering with harmonic analysis and IEEE 1588-based grid synchronization for distributed energy resources. IC Role / Device Role / Timing Role: Precision ADC interface controller, FFT accelerator (dual MAC), and time-stamped event logger (RTC + 1588). Use Value: Performs 1024-point FFT on 16 kHz sampled current/voltage waveforms in <80 μs - enables Class 0.2 metering accuracy per IEC 62053-22. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded signal processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF518KSWZ-4 | Same core, same peripherals, but rated for extended temperature range (−40°C to +105°C) and qualified per AEC-Q100 Grade 3. | Required for automotive body control modules; not necessary for industrial ambient (−40°C to +85°C) deployments. | Select ADSP-BF518KSWZ-4 only when automotive qualification or extended temp operation is mandatory. |
| ADSP-BF516BSWZ-4 | Lacks integrated 16 Mbit SPI flash and IEEE 1588-capable Ethernet MAC; otherwise identical core, memory, and peripheral set. | Suitable for cost-sensitive applications where boot from external flash and basic Ethernet suffices - e.g., simple HMI controllers. | Choose ADSP-BF516BSWZ-4 if IEEE 1588 and internal flash are unnecessary; saves $1.85/unit at volume. |
Compared with ADSP-BF518KSWZ-4, the ADSP-BF518BSWZ-4 offers identical functionality at lower cost and standard industrial temp grade; versus ADSP-BF516BSWZ-4, it adds critical features for time-sensitive networking and secure boot - making it optimal for industrial gateways requiring both determinism and firmware integrity.
Availability
ADSP-BF518BSWZ-4 is available at Aetrix Electronics and suitable for industrial Ethernet gateways, smart camera edge nodes, programmable logic controllers, energy meters, and motor drive controllers requiring stable component supply across multi-year production cycles.
Supply support for ADSP-BF518BSWZ-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 company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, industrial automation, and communications infrastructure.
The ADSP-BF518BSWZ-4 belongs to the Blackfin® embedded processor family, designed specifically for applications demanding real-time signal processing, deterministic networking, and integrated security - targeting industrial control, machine vision, and energy management systems.
FAQ
What is the maximum operating frequency of the ADSP-BF518BSWZ-4?
The ADSP-BF518BSWZ-4 operates at a maximum frequency of 400 MHz, verified under specified voltage and temperature conditions per Analog Devices' Rev. D datasheet. This speed enables dual-MAC throughput of 800 MMAC/s for real-time audio, video, and control algorithms. The on-chip PLL supports precise frequency multiplication from external crystal or oscillator inputs to achieve this rating.
Does the ADSP-BF518BSWZ-4 include integrated flash memory?
Yes, the ADSP-BF518BSWZ-4 integrates a 16 Mbit SPI flash memory die inside the package, connected exclusively to SPI0 signals (PG11–PG14). This flash is used for secure boot image storage and supports software write protection, 4 KB sector erase, and byte-program operations - with no external pins exposed to prevent probing or tampering.
What Ethernet capabilities does the ADSP-BF518BSWZ-4 support?
The ADSP-BF518BSWZ-4 includes a fully integrated IEEE 802.3-compliant 10/100 Ethernet MAC with hardware-level IEEE 1588-2008 timestamping. It supports precise time synchronization down to sub-100 ns resolution, essential for industrial automation networks like EtherCAT and PROFINET IRT - without requiring external PHY or timing ICs.
What package type and thermal characteristics does the ADSP-BF518BSWZ-4 use?
The ADSP-BF518BSWZ-4 uses a 176-lead LQFP_EP package with an exposed thermal pad. Its junction-to-case thermal resistance is 2.8°C/W, enabling sustained 400 MHz operation in environments up to +85°C ambient when properly mounted on a 4-layer PCB with ≥4 thermal vias under the pad and adequate copper pour.
Is the ADSP-BF518BSWZ-4 pin-compatible with other ADSP-BF51x processors?
Yes, the ADSP-BF518BSWZ-4 shares identical pinout and package dimensions with ADSP-BF512/514/516/518F16 variants in the 176-lead LQFP_EP option. This allows hardware reuse across Blackfin family members - though functional differences (e.g., Ethernet MAC presence, internal flash) require corresponding firmware and configuration updates.
ADSP-BF518BSWZ-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-BF518BSWZ-4 FAQ
1.How can I place an order for ADSP-BF518BSWZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF518BSWZ-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-BF518BSWZ-4 reliable?
The price and inventory of ADSP-BF518BSWZ-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-BF518BSWZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF518BSWZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF518BSWZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF518BSWZ-4?
ADSP-BF518BSWZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF518BSWZ-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-BF518BSWZ-4?
For technical support, including ADSP-BF518BSWZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF518BSWZ-4 requirements.
6.How does Aetrix verify that ADSP-BF518BSWZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF518BSWZ-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-BF518BSWZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF518BSWZ-4?
All ADSP-BF518BSWZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF518BSWZ-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-BF518BSWZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF518BSWZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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