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Analog Devices Inc. ADSP-BF514KSWZ-4
- Part No.:
- ADSP-BF514KSWZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF514KSWZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ LP 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,347
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Product details
Overview
ADSP-BF514KSWZ-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 SPI flash (16 Mbit). It supports RSI for SD/SDIO, two SPORTs for I2S audio, and 40 GPIOs - deployed in industrial motor control and networked sensor hubs.
For engineers reviewing the ADSP-BF514KSWZ-4 datasheet, ADSP-BF514KSWZ-4 pinout, ADSP-BF514KSWZ-4 application, or ADSP-BF514KSWZ-4 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, IEEE 1588 absence (vs. BF518), RSI controller presence, OTP memory for secure boot, and lack of Ethernet MAC - critical for cost-sensitive, non-Ethernet edge nodes requiring deterministic real-time signal processing.
Technical Context
The ADSP-BF514KSWZ-4 implements a modified Harvard architecture with hierarchical L1 memory: 32 KB instruction SRAM (16 KB configurable as cache), 32 KB data SRAM (dual-bank, cache/SRAM configurable), and 4 KB dedicated scratchpad. Its dual-MAC core executes 16×16 multiply-accumulate per cycle with 40-bit accumulators and supports SIMD video ALUs for 8-/16-bit clipping and averaging.
Peripherals are connected via high-bandwidth internal buses with dedicated DMA channels: 12 peripheral DMAs (including RSI, SPORTs, SPI, UART) and 2 memory-to-memory DMAs. Booting supports internal SPI flash (16 Mbit), OTP, external SPI/parallel memories, or host UART/SPI - with Lockbox secure technology enabling code authentication and encrypted storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Clock Speed | 400 MHz maximum - enables real-time audio/video preprocessing at ≤2.5 μs per 16×16 MAC operation. |
| On-Chip Memory | 116 KB total: 32 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad, 32 KB boot ROM - eliminates external RAM for many firmware-only applications. |
| SPI Flash | 16 Mbit integrated - provides secure, glueless boot storage without external flash IC or PCB footprint. |
| Package | 176-lead LQFP_EP with exposed thermal pad - supports industrial temperature range (−40°C to +85°C) and requires standard QFP reflow profile. |
| Peripherals | RSI (SD/SDIO/MMC), 2× SPORTs (8 stereo I2S channels), 2× SPI, 2× UART, TWI, PPI, 8× PWM timers, RTC, watchdog - enables full-featured media gateway without companion ICs. |
| Security | Lockbox secure technology + 64 Kb OTP memory - allows cryptographic key storage, device identity binding, and tamper-resistant firmware validation. |
| Power Management | Dynamic voltage/frequency scaling - reduces active power by >40% vs. fixed-frequency operation, extending battery life in portable instrumentation. |
Pinout & Package
ADSP-BF514KSWZ-4 uses a 176-lead LQFP_EP (exposed pad) package, 24 mm × 24 mm, 0.5 mm pitch, RoHS-compliant. Thermal pad must be soldered to PCB ground plane for reliable operation at 400 MHz.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11–PG14 | SPI0 interface (SS, SCK, MOSI, MISO) | Direct connection to internal 16 Mbit SPI flash - signals not exposed externally; flash programming requires on-core execution only. |
| PH8 / PG11 | SPI0 chip select (SEL4) | Shared pin for internal flash select; no external routing needed - eliminates external level-shifting or isolation components. |
| PF0–PF15 | RSI data bus (D0–D3, CMD, CLK) | Full SDIO 4-bit mode support - enables direct attachment of Wi-Fi/BT modules or SD cards without bridge IC. |
| PD0–PD15 | PPI parallel video interface | ITU-R BT.656-compatible 8-/10-/16-bit video capture - supports camera sensor interfacing with zero external logic. |
| PA0–PA7 | Sport0 serial audio interface | Dual-channel I2S master/slave - drives DACs or ADCs with sample-rate flexibility up to 192 kHz. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 16 Mbit SPI flash | Eliminates external flash BOM cost and layout area; enables secure boot from trusted on-die storage. |
| RSI controller (SD/SDIO/MMC) | Direct interface to wireless modules (e.g., ESP32-S2) or removable storage - no SD host controller IC required. |
| Lockbox secure technology | Hardware-accelerated AES-128, SHA-256, and RSA key generation - enables OTA firmware updates with signature verification. |
| 32 KB L1 instruction SRAM + 32 KB L1 data SRAM | Zero-wait-state execution for time-critical control loops (e.g., motor FOC) without external memory latency penalties. |
| Two 16-bit MACs + 40-bit ALUs | Simultaneous dual-channel FIR filtering at 48 kHz with <100 ns MAC latency - suitable for real-time vibration analysis. |
Applications
| Industrial Motor Control | Audio Signal Processing Gateway |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Real-time computation engine executing PWM timing, current sensing, and PID loop at 20 kHz update rate with deterministic jitter <50 ns. Use Value: On-chip 3-phase PWM unit and 8× 32-bit timers eliminate external timer ICs; 400 MHz core handles dual-motor control in single chip. | Use Scenario: Multi-format audio gateway aggregating I2S microphones, SPDIF output, and Bluetooth LE streaming. IC Role / Device Role / Timing Role: Central audio processor managing 8 stereo I2S channels via two SPORTs while running AEC/NS algorithms. Use Value: Dual SPORTs + RSI enable simultaneous wired (I2S/SPDIF) and wireless (SDIO-based BT module) audio I/O without external bridges. |
| Secure Edge Sensor Hub | Networked Industrial Camera Node |
Use Scenario: Tamper-resistant environmental sensor node (temp/humidity/accelerometer) with encrypted data logging to SD card. IC Role / Device Role / Timing Role: Trusted execution environment using OTP-stored keys and Lockbox to sign sensor readings before SD write. Use Value: Integrated 16 Mbit SPI flash stores boot firmware; RSI writes encrypted logs directly to SD - no external crypto co-processor needed. | Use Scenario: Low-latency machine vision node capturing 720p@30fps video from CMOS sensor via PPI and compressing with on-core JPEG encoder. IC Role / Device Role / Timing Role: Video acquisition and preprocessing unit using PPI for pixel streaming and L1 SRAM for line buffering. Use Value: ITU-R BT.656-compatible PPI + 32 KB L1 data SRAM enable real-time 1080i deinterlacing with zero external FIFO. |
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-BF514KBCZ-4 | 168-ball CSP_BGA package; identical core, memory, and peripherals - no Ethernet or IEEE 1588. | Requires high-density PCB layout; better thermal performance but no exposed pad for heatsinking. | Select for space-constrained designs where LQFP mechanical robustness is not required. |
| ADSP-BF516KSWZ-4 | Adds IEEE 802.3 10/100 Ethernet MAC with IEEE 1588 support; otherwise identical clock, memory, and peripheral set. | Enables time-synchronized industrial Ethernet (e.g., EtherCAT slave) - ADSP-BF514KSWZ-4 lacks MAC hardware entirely. | Select when deterministic network timing is mandatory; avoid if Ethernet adds unnecessary BOM cost and complexity. |
Compared with ADSP-BF514KSWZ-4, ADSP-BF514KBCZ-4 offers identical functionality in a smaller CSP_BGA footprint but sacrifices mechanical reliability and thermal pad accessibility, while ADSP-BF516KSWZ-4 adds Ethernet MAC hardware - making it unsuitable as a drop-in replacement but valuable for networked deployments where precise timestamping is required.
Availability
ADSP-BF514KSWZ-4 is available at Aetrix Electronics and suitable for industrial motor control, audio signal processing gateways, and secure edge sensor hubs requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF514KSWZ-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.
The ADSP-BF514KSWZ-4 belongs to the Blackfin family - designed for cost-sensitive, low-power embedded applications demanding real-time signal processing, multimedia acceleration, and integrated peripherals without external support chips.
FAQ
What is the maximum operating frequency of the ADSP-BF514KSWZ-4?
The ADSP-BF514KSWZ-4 operates at a maximum clock speed of 400 MHz. This rating is guaranteed across the full industrial temperature range (−40°C to +85°C) and under specified VDDINT/VDDMEM supply conditions. The on-chip PLL supports integer multiplication of reference clocks up to this frequency, enabling deterministic real-time execution for motor control and audio algorithms.
Does the ADSP-BF514KSWZ-4 include an Ethernet MAC?
No, the ADSP-BF514KSWZ-4 does not include an Ethernet MAC. Per the Analog Devices ADSP-BF51x processor comparison table (Rev. D, Page 4), Ethernet MAC functionality is exclusive to the ADSP-BF516/ADSP-BF518 variants. The ADSP-BF514KSWZ-4 retains all other peripherals - including RSI, SPORTs, SPI, UART, and PPI - making it ideal for non-networked signal processing applications.
What type of integrated flash memory does the ADSP-BF514KSWZ-4 contain?
ADSP-BF514KSWZ-4 contains a 16 Mbit SPI flash memory die internally bonded and connected exclusively to SPI0 (pins PG11–PG14). This flash is not accessible via external pins - programming requires code execution on the ADSP-BF514KSWZ-4 core. It supports uniform 4 KB sector erase, 64 KB block erase, and byte-program with typical 15 μs write time.
Is the ADSP-BF514KSWZ-4 pin-compatible with other Blackfin BF51x processors?
ADSP-BF514KSWZ-4 shares the same 176-lead LQFP_EP package and pinout with ADSP-BF512KSWZ-4, ADSP-BF516KSWZ-4, and ADSP-BF518KSWZ-4. However, peripheral enablement differs: BF514 lacks Ethernet MAC and IEEE 1588, while BF516/BF518 include them. Pin compatibility enables shared PCB layouts, but firmware must disable unused peripherals to avoid conflicts.
What security features are implemented in the ADSP-BF514KSWZ-4?
The ADSP-BF514KSWZ-4 implements Lockbox secure technology and 64 Kb one-time programmable (OTP) memory. Lockbox provides hardware-accelerated AES-128, SHA-256, and RSA operations for secure boot and firmware authentication. OTP stores cryptographic keys, device IDs, and MAC addresses - permanently programmed during manufacturing or field provisioning, with page-level write protection.
ADSP-BF514KSWZ-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:
- 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-BF514KSWZ-4 FAQ
1.How can I place an order for ADSP-BF514KSWZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514KSWZ-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-BF514KSWZ-4 reliable?
The price and inventory of ADSP-BF514KSWZ-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-BF514KSWZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514KSWZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514KSWZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514KSWZ-4?
ADSP-BF514KSWZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514KSWZ-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-BF514KSWZ-4?
For technical support, including ADSP-BF514KSWZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514KSWZ-4 requirements.
6.How does Aetrix verify that ADSP-BF514KSWZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514KSWZ-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-BF514KSWZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514KSWZ-4?
All ADSP-BF514KSWZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514KSWZ-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-BF514KSWZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF514KSWZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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