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Analog Devices Inc. ADSP-BF514BSWZ4F16
- Part No.:
- ADSP-BF514BSWZ4F16
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF514BSWZ4F16.pdf
- Description:
- IC DSP 16/32B 400MHZ LP 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,846
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Product details
Overview
ADSP-BF514BSWZ4F16 from Analog Devices is a Blackfin embedded processor with 400 MHz core speed, 116 KB on-chip memory (including 48 KB L1 instruction SRAM, 64 KB L1 data SRAM, and 4 KB scratchpad), integrated 16 Mbit SPI flash, and 40 GPIOs. It implements dual 16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit shifter for real-time signal processing in motor control and industrial networking applications.
For engineers reviewing the ADSP-BF514BSWZ4F16 datasheet, ADSP-BF514BSWZ4F16 pinout, ADSP-BF514BSWZ4F16 application, or ADSP-BF514BSWZ4F16 equivalent, key selection criteria include its integrated SPI flash boot capability, IEEE 1588–ready peripheral set (excluding Ethernet MAC), RSI/SDIO support, and LQFP_EP package with exposed thermal pad for thermal management in fanless industrial designs.
Technical Context
The ADSP-BF514BSWZ4F16 implements a modified Harvard architecture with hierarchical L1 memory: 48 KB instruction SRAM (16 KB configurable as 4-way cache), 64 KB data SRAM (two 32 KB banks, each configurable as SRAM or cache), and 4 KB dedicated scratchpad SRAM-all operating at full 400 MHz core speed. Its memory management unit (MMU) enforces task-level memory protection in supervisor/user mode operation.
It features a dual-MAC signal processing engine with SIMD multimedia acceleration, RISC-like orthogonal instruction set optimized for C compiler efficiency, and hardware zero-overhead looping. Peripherals include two dual-channel SPORTs (8 stereo I²S channels), two SPI controllers, two UARTs with IrDA, TWI, PPI, RSI (MMC/SD/SDIO/CE-ATA), eight 32-bit timers with PWM, 3-phase 16-bit center-based PWM unit, RTC, watchdog timer, and JTAG debug interface-no Ethernet MAC or IEEE 1588 support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz - Enables real-time execution of complex control algorithms with sub-μs loop latency. |
| L1 Instruction Memory | 48 KB SRAM (16 KB cache-configurable) - Provides deterministic zero-wait-state instruction fetch at full core speed. |
| L1 Data Memory | 64 KB SRAM (two 32 KB banks, cache/SRAM configurable) - Supports simultaneous dual-bank access for high-bandwidth data buffering. |
| Integrated Flash | 16 Mbit SPI flash - Enables secure, self-contained boot without external memory components; not externally accessible. |
| Package | 176-lead LQFP_EP with exposed pad - Delivers 2.5 W thermal dissipation capability for convection-cooled industrial enclosures. |
| GPIO Count | 40 general-purpose I/Os - Sufficient for direct interface to sensors, actuators, and status LEDs without glue logic. |
| PWM Units | Eight 32-bit timers with PWM + dedicated 3-phase 16-bit center-based PWM - Supports precise motor phase control and multi-channel LED dimming. |
Pinout & Package
ADSP-BF514BSWZ4F16 uses a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm × 1.6 mm, with thermal pad soldered to PCB ground plane for enhanced heat transfer. Pinout conforms to Analog Devices' standard ADSP-BF51x LQFP assignment (Rev. D, Page 59).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply (1.2 V) | Power domain for processor core and L1 memories; requires low-noise regulation and local decoupling. |
| VDDIO | I/O supply (3.3 V) | Supplies all digital I/Os including SPI, UART, SPORT, RSI, and GPIO; tolerant of 3.0–3.6 V range. |
| VDDFLASH | Flash supply (1.8 V) | Dedicated power rail for internal SPI flash die; isolated from VDDINT/VDDIO to prevent noise coupling. |
| RESET | Active-low reset input | Asynchronous reset assertion halts core, clears registers, and initiates boot sequence from configured source. |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strapping inputs that select boot source: internal SPI flash, OTP, external SPI/parallel memory, or host UART/SPI. |
| PG11–PG14 | SPI0 signals (SS, SCK, MOSI, MISO) | Internal connection to embedded flash; not routed to package pins-flash programming must be performed via on-chip code execution. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code/data security with encrypted boot and tamper-resistant key storage in OTP memory. |
| On-chip OTP Memory | 64 Kbit one-time programmable memory for storing MAC addresses, product IDs, and cryptographic keys-write-protected per page. |
| RSI Controller | Native SD/SDIO/MMC/CE-ATA interface supporting high-speed data logging and firmware updates without external bridge ICs. |
| Dynamic Power Management | Independent voltage/frequency scaling (VFS) enables active power reduction down to 15 mW in sleep modes while retaining SRAM content. |
| Parallel Peripheral Interface (PPI) | ITU-R BT.656-compliant video capture interface supporting 8-/10-/16-bit YUV/RGB formats up to 75 MHz pixel clock. |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors in HVAC compressors and pump drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, PWM generation, current sensing ADC interfacing, and communication with HMI over UART. Use Value: Integrated 3-phase PWM unit and 400 MHz core enable <1 μs current loop update time; on-chip flash stores motor calibration tables securely. |
Use Scenario: ANSI C12.22-compliant smart meter with waveform capture, tariff calculation, and RF mesh backhaul. IC Role / Device Role / Timing Role: High-precision sampling engine, metrology computation accelerator, and secure firmware host with OTA update capability. Use Value: Dual MACs process 16-bit ADC samples at 16 kSPS; RSI interface enables removable SD card for waveform logging; Lockbox secures firmware signature verification. |
| Video-Based Machine Vision | Industrial IoT Gateway |
Use Scenario: Edge preprocessing of 720p video streams from machine vision cameras for defect detection in manufacturing lines. IC Role / Device Role / Timing Role: Real-time video frame capture via PPI, motion estimation using video ALUs, and compressed metadata transmission over UART/Ethernet. Use Value: Four 8-bit video ALUs accelerate pixel-level operations (average, SAA, clipping); 64 KB L1 data SRAM buffers full HD frames without external DRAM. |
Use Scenario: Protocol-agnostic gateway aggregating Modbus RTU, CAN, and analog sensor data for cloud upload via cellular/Wi-Fi. IC Role / Device Role / Timing Role: Multi-protocol translation engine, secure TLS stack executor, and local rule-based decision node with watchdog supervision. Use Value: Two UARTs + TWI + SPI + RSI support concurrent legacy fieldbus and modern wireless interfaces; OTP stores device identity and root CA certificates. |
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-BF516BSWZ-4 | Includes IEEE 802.3 10/100 Ethernet MAC and IEEE 1588 timestamping; no integrated SPI flash. | Required for wired industrial Ethernet nodes (PROFINET, EtherNet/IP); lacks secure boot flash. | Select when deterministic network timing and protocol offload outweigh need for embedded boot storage. |
| ADSP-BF514BBCZ-4 | Same core/peripherals but in 168-ball CSP_BGA package; no exposed thermal pad; identical flash integration. | Better suited for space-constrained PCBs where thermal pad soldering is impractical. | Select for compact form factor designs accepting reduced thermal headroom versus LQFP_EP. |
Compared with ADSP-BF514BSWZ4F16, ADSP-BF516BSWZ-4 adds Ethernet connectivity at the cost of boot flash, while ADSP-BF514BBCZ-4 retains identical functionality in a smaller BGA footprint-neither is pin-compatible, requiring board redesign.
Availability
ADSP-BF514BSWZ4F16 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, video-based machine vision, and industrial IoT gateway applications requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF514BSWZ4F16 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 leader in high-performance analog, mixed-signal, and DSP technology, headquartered in Norwood, MA, serving industrial, automotive, communications, and healthcare markets.
The ADSP-BF51x family was designed as a low-power, code-compatible Blackfin platform for embedded signal processing in resource-constrained industrial and automotive systems-emphasizing integrated peripherals, secure boot, and thermal efficiency in LQFP_EP packaging.
FAQ
Does ADSP-BF514BSWZ4F16 include an Ethernet MAC?
No, ADSP-BF514BSWZ4F16 does not include an Ethernet MAC or IEEE 1588 support. These features are exclusive to ADSP-BF518/ADSP-BF518F16 variants. The ADSP-BF514BSWZ4F16 provides RSI, dual SPORTs, dual SPI, dual UART, TWI, PPI, and 3-phase PWM-but no MAC hardware. Engineers requiring Ethernet must select ADSP-BF516BSWZ-4 or higher variants.
What is the purpose of the internal 16 Mbit SPI flash in ADSP-BF514BSWZ4F16?
The internal 16 Mbit SPI flash in ADSP-BF514BSWZ4F16 serves as a secure, glueless boot source with software write protection, fast sector erase (70 ms), and byte-program capability (15 μs). It is internally connected to SPI0 and inaccessible externally-programming must occur via on-chip code execution. This eliminates external flash components and prevents external probing of boot code, enhancing system security in ADSP-BF514BSWZ4F16 deployments.
How is thermal management handled for ADSP-BF514BSWZ4F16 in industrial environments?
ADSP-BF514BSWZ4F16 uses a 176-lead LQFP_EP package with an exposed thermal pad soldered directly to the PCB ground plane. This design supports up to 2.5 W power dissipation under natural convection, enabling reliable operation in ambient temperatures up to +85°C without forced air cooling. Thermal vias beneath the pad and copper pour on inner layers are required to meet junction temperature limits in ADSP-BF514BSWZ4F16 industrial applications.
Can ADSP-BF514BSWZ4F16 execute code directly from its internal SPI flash?
No, ADSP-BF514BSWZ4F16 cannot execute code directly from internal SPI flash. Boot code is copied into L1 instruction SRAM during startup, then executed from there. The flash serves only as non-volatile storage for boot images, configuration data, and firmware updates-ensuring deterministic real-time performance while maintaining secure, field-upgradable storage in ADSP-BF514BSWZ4F16 systems.
What security features are implemented in ADSP-BF514BSWZ4F16 beyond Lockbox?
In addition to Lockbox secure technology, ADSP-BF514BSWZ4F16 includes 64 Kbit one-time programmable (OTP) memory for immutable storage of cryptographic keys, MAC addresses, and device identifiers-with per-page write protection. Its MMU enforces memory protection between user/supervisor modes, and boot ROM validates signature integrity before loading firmware. These layered mechanisms ensure secure boot, runtime isolation, and tamper-resistant identity in ADSP-BF514BSWZ4F16 deployments.
ADSP-BF514BSWZ4F16 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 176-LQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Fixed Point
- Interface:
- I2C, PPI, RSI, SPI, SPORT, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- FLASH (16Mbit)
- 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-BF514BSWZ4F16 FAQ
1.How can I place an order for ADSP-BF514BSWZ4F16 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514BSWZ4F16 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-BF514BSWZ4F16 reliable?
The price and inventory of ADSP-BF514BSWZ4F16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF514BSWZ4F16 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514BSWZ4F16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514BSWZ4F16 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514BSWZ4F16?
ADSP-BF514BSWZ4F16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514BSWZ4F16 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-BF514BSWZ4F16?
For technical support, including ADSP-BF514BSWZ4F16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514BSWZ4F16 requirements.
6.How does Aetrix verify that ADSP-BF514BSWZ4F16 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514BSWZ4F16 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-BF514BSWZ4F16 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514BSWZ4F16?
All ADSP-BF514BSWZ4F16 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514BSWZ4F16, 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-BF514BSWZ4F16 part is unused and in its original packaging.
Return procedure for ADSP-BF514BSWZ4F16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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