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Analog Devices Inc. ADSP-BF514BSWZ-3
- Part No.:
- ADSP-BF514BSWZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF514BSWZ-3.pdf
- Description:
- IC DSP 16/32B 300MHZ LP 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,029
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Product details
Overview
ADSP-BF514BSWZ-3 from Analog Devices is a 400 MHz Blackfin embedded processor with dual 16-bit MACs, two 40-bit ALUs, and 116 KB on-chip memory (32 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad, 32 KB boot ROM). It integrates SPI flash (16 Mbit), OTP memory (64 Kbit), and supports IEEE 802.3 10/100 Ethernet MAC - excluding this model per Table 1 - and is qualified for automotive applications. It targets real-time industrial control and audio/video edge processing.
For engineers reviewing the ADSP-BF514BSWZ-3 datasheet, ADSP-BF514BSWZ-3 pinout, ADSP-BF514BSWZ-3 application, or ADSP-BF514BSWZ-3 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, 40 GPIOs, RSI/SDIO support, dual SPORTs (8 stereo I2S channels), and absence of integrated Ethernet MAC - distinguishing it from ADSP-BF518 variants.
Technical Context
The ADSP-BF514BSWZ-3 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 external memory access is managed via a glueless EBIU supporting SDRAM and asynchronous 8-/16-bit devices. Its dual-MAC signal processing engine executes 16×16 multiply-accumulate operations per cycle with saturation and rounding support.
Peripherals are connected via high-bandwidth buses including a peripheral access bus and core bus; DMA controllers handle 12 peripheral and 2 memory-to-memory transfers, with 2-D DMA supporting video de-interleaving. Booting is flexible - from internal SPI flash, OTP, external SPI/parallel memories, or UART/SPI host - and secured via Lockbox technology with code encryption and write-protected OTP storage for keys and device IDs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum operating frequency - enables real-time execution of complex DSP algorithms in motor control or audio codecs. |
| 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 instruction RAM in many boot-critical applications. |
| Integrated Flash | 16 Mbit SPI flash inside package - provides secure, non-removable boot image storage; inaccessible externally, programmed only by on-chip firmware. |
| OTP Memory | 64 Kbit one-time programmable memory - stores immutable security keys, MAC addresses, or calibration data without external EEPROM dependency. |
| I/O Interface | 40 general-purpose I/Os, 2 dual-channel SPORTs (8 stereo I2S), 2 SPI, 2 UART (IrDA), TWI, RSI (SD/SDIO/MMC), PPI - supports multi-sensor audio/video acquisition and SD card logging. |
| Package | 176-lead LQFP_EP with exposed thermal pad - enables efficient heat dissipation in industrial temperature range (−40°C to +85°C) without heatsink. |
| Power Management | Dynamic voltage/frequency scaling (DVFS) - reduces active power consumption during low-load operation while maintaining deterministic latency for real-time tasks. |
Pinout & Package
ADSP-BF514BSWZ-3 is housed in a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm × 1.4 mm, compliant with JEDEC MO-207AB. The exposed pad improves thermal performance and must be soldered to PCB ground plane for reliable operation in extended temperature environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply voltage | 1.2 V ±3% input for processor core - requires low-noise regulation; decoupling critical for stable 400 MHz operation. |
| VDDIO | I/O supply voltage | 3.3 V ±5% input for peripherals and GPIOs - enables direct interfacing with standard logic families without level shifters. |
| RESET | Active-low reset input | Asynchronous reset assertion halts all execution and reloads boot vector from boot ROM or configured source - essential for safe recovery after brownout. |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strap determines boot source (SPI flash, OTP, external memory, or host interface) - fixed at power-up; no runtime reconfiguration. |
| PG11–PG14 | SPI0 interface signals | Drive internal 16 Mbit SPI flash (MOSI/MISO/SCK/SS) - not available externally; dedicated routing prevents probing or external access. |
| PH8 | SPI0SEL4 alternate function | Secondary chip select for internal flash - used only when SEL4 is enabled; no external connectivity or user-accessible control. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code encryption and secure boot - prevents firmware extraction or unauthorized modification of application code stored in internal flash. |
| RSI Controller | Native SD/SDIO/MMC/CE-ATA interface - enables direct attachment of removable storage for field-upgradable firmware or data logging without bridge ICs. |
| Dual SPORTs (8 stereo I2S) | Two independent full-duplex synchronous serial ports - supports simultaneous multi-channel audio capture and playback (e.g., 4-in/4-out voice processing). |
| 3-Phase PWM Unit | 16-bit center-aligned PWM with three complementary output pairs - directly drives gate drivers for 3-phase BLDC or PMSM motor control without external timers. |
| Memory Management Unit (MMU) | Provides per-task memory protection and privilege separation - enables safe coexistence of RTOS kernel and application code in safety-critical systems. |
Applications
| Industrial Motor Control | Automotive Audio Processing |
|---|---|
Use Scenario: Closed-loop control of 3-phase brushless DC motors in HVAC blowers or electric power steering modules. IC Role / Device Role / Timing Role: Real-time execution of FOC (field-oriented control) algorithms with sub-microsecond interrupt latency and deterministic PWM timing. Use Value: Integrated 3-phase PWM unit and 400 MHz core eliminate need for external timer ICs or FPGA co-processors, reducing BOM count and board space. | Use Scenario: In-vehicle infotainment system performing echo cancellation, noise suppression, and multi-zone audio rendering. IC Role / Device Role / Timing Role: Dedicated DSP engine handling concurrent audio streams via dual SPORTs and 8 stereo I2S channels with zero-copy DMA buffering. Use Value: On-chip 116 KB memory and Lockbox security enable secure, low-latency audio processing without external RAM or encryption co-processors. |
| Portable Medical Imaging | Smart Energy Metering |
Use Scenario: Ultrasound beamforming and Doppler signal processing in handheld diagnostic devices. IC Role / Device Role / Timing Role: High-throughput data movement via 2-D DMA from ADC interfaces to L1 memory, synchronized with real-time FFT and filtering kernels. Use Value: Dual 16-bit MACs and video ALUs accelerate time-domain and frequency-domain computations within battery-constrained form factors. | Use Scenario: Advanced metering infrastructure (AMI) endpoint performing harmonic analysis, tamper detection, and secure firmware updates over PLC or RF links. IC Role / Device Role / Timing Role: Secure execution environment for cryptographic operations using OTP-stored keys and Lockbox-encrypted firmware images. Use Value: Integrated 16 Mbit SPI flash and 64 Kbit OTP eliminate external secure storage, meeting IEC 62056 and DLMS/COSEM compliance requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded DSP processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF514BCPZ-3 | Same core, same peripherals, but in 168-ball CSP_BGA package - smaller footprint, higher thermal resistance, no exposed pad. | Preferred for space-constrained portable designs where thermal load is low; unsuitable for sustained 400 MHz operation in industrial ambient. | Select ADSP-BF514BCPZ-3 only when PCB area is critical and thermal budget allows derated operation. |
| ADSP-BF516BSWZ-3 | Adds IEEE 802.3-compliant 10/100 Ethernet MAC with IEEE 1588 support - ADSP-BF514BSWZ-3 lacks this peripheral entirely. | Required for networked industrial controllers needing deterministic time synchronization (e.g., EtherCAT slave nodes); ADSP-BF514BSWZ-3 needs external PHY/MAC. | Choose ADSP-BF516BSWZ-3 if Ethernet connectivity and IEEE 1588 timestamping are mandatory; otherwise ADSP-BF514BSWZ-3 offers lower cost and simpler layout. |
Compared with ADSP-BF514BCPZ-3, the ADSP-BF514BSWZ-3 provides superior thermal management via its LQFP_EP exposed pad, enabling full-speed operation across −40°C to +85°C. Against ADSP-BF516BSWZ-3, it trades Ethernet capability for reduced complexity and BOM cost - ideal when networking is handled off-chip or via wireless modules.
Availability
ADSP-BF514BSWZ-3 is available at Aetrix Electronics and suitable for industrial motor control, automotive audio processing, portable medical imaging, and smart energy metering requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for ADSP-BF514BSWZ-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.
The ADSP-BF514BSWZ-3 belongs to the Blackfin family - designed specifically for embedded applications demanding real-time signal processing, deterministic latency, and integrated peripherals without sacrificing programmability or security.
FAQ
Does ADSP-BF514BSWZ-3 include an integrated Ethernet MAC?
No, ADSP-BF514BSWZ-3 does not include an integrated Ethernet MAC. According to Table 1 in the official Analog Devices datasheet Rev. D, Ethernet MAC functionality is exclusive to ADSP-BF516/ADSP-BF518 variants. The ADSP-BF514BSWZ-3 retains all other peripherals - including RSI, dual SPORTs, SPI, UART, and 3-phase PWM - making it suitable for applications where networking is implemented externally via PHY or wireless ICs.
What is the purpose of the 16 Mbit SPI flash integrated into ADSP-BF514BSWZ-3?
ADSP-BF514BSWZ-3 integrates a 16 Mbit SPI flash die internally connected to SPI0 - accessible only by on-chip firmware execution. This flash stores boot code, application firmware, or configuration data securely; its signals (SCK, MOSI, MISO, SS) are not exposed externally, preventing probing or unauthorized reprogramming. It supports fast erase (sector: 70 ms) and byte-program (15 μs), with software write protection via status register bits.
Can ADSP-BF514BSWZ-3 operate in automotive environments?
Yes, ADSP-BF514BSWZ-3 is qualified for automotive applications per the datasheet's "Automotive Products" section (Page 67). It meets AEC-Q100 Grade 3 requirements (−40°C to +85°C ambient), features Lockbox secure technology for firmware integrity, and includes OTP memory for storing vehicle-specific identifiers like VIN or calibration data - supporting Tier-1 ECU designs requiring functional safety and long-term reliability.
How does the memory architecture of ADSP-BF514BSWZ-3 support real-time performance?
ADSP-BF514BSWZ-3 uses a hierarchical memory architecture: 32 KB L1 instruction SRAM and 32 KB L1 data SRAM operate at full 400 MHz core speed with zero wait states, ensuring deterministic instruction fetch and data access. The 4 KB scratchpad SRAM provides dedicated stack/local variable space, while the MMU enforces memory protection between tasks - collectively enabling hard real-time response for motor control loops or audio buffers without cache-related jitter.
Is ADSP-BF514BSWZ-3 pin-compatible with other ADSP-BF51x processors?
ADSP-BF514BSWZ-3 shares the same 176-lead LQFP_EP package and pinout with ADSP-BF512BSWZ-3, ADSP-BF516BSWZ-3, and ADSP-BF518BSWZ-3 - confirmed by identical "176-Lead LQFP_EP Lead Assignment" diagrams in the datasheet (Page 59). However, peripheral availability differs (e.g., Ethernet MAC only on BF516/BF518), so firmware and PCB design must verify signal mapping and functional compatibility before substitution.
ADSP-BF514BSWZ-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:
- 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-BF514BSWZ-3 FAQ
1.How can I place an order for ADSP-BF514BSWZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514BSWZ-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-BF514BSWZ-3 reliable?
The price and inventory of ADSP-BF514BSWZ-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-BF514BSWZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514BSWZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514BSWZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514BSWZ-3?
ADSP-BF514BSWZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514BSWZ-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-BF514BSWZ-3?
For technical support, including ADSP-BF514BSWZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514BSWZ-3 requirements.
6.How does Aetrix verify that ADSP-BF514BSWZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514BSWZ-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-BF514BSWZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514BSWZ-3?
All ADSP-BF514BSWZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514BSWZ-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-BF514BSWZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF514BSWZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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