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Analog Devices Inc. ADSP-BF514KSWZ-3
- Part No.:
- ADSP-BF514KSWZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF514KSWZ-3.pdf
- Description:
- IC DSP 16/32B 300MHZ LP 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,977
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Product details
Overview
ADSP-BF514KSWZ-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. It targets industrial motor control and audio processing systems requiring deterministic real-time signal handling.
For engineers reviewing the ADSP-BF514KSWZ-3 datasheet, ADSP-BF514KSWZ-3 pinout, ADSP-BF514KSWZ-3 application, or ADSP-BF514KSWZ-3 equivalent, key selection considerations include its 176-lead LQFP_EP package, absence of integrated Ethernet MAC, RSI/SDIO support, dual SPORTs for I²S audio, and 3-phase PWM unit for motor drive control.
Technical Context
The ADSP-BF514KSWZ-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 occurs via glueless EBIU supporting SDRAM and asynchronous devices. Its compute engine executes 16-bit and 32-bit operations in parallel using dual-MAC and quad-ALU capability.
Peripherals are connected through dedicated high-bandwidth buses including Peripheral Access Bus and Core Bus. The device uses a hierarchical interrupt architecture with Core Event Controller (CEC) and System Interrupt Controller (SIC), supporting 56 interrupt inputs and nested prioritized servicing. Booting is flexible - from internal SPI flash, OTP, external SPI/parallel memory, or host UART/SPI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum operating frequency - enables real-time execution of complex DSP algorithms within tight timing budgets. |
| 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/data RAM in many embedded designs. |
| Integrated Flash | 16 Mbit SPI flash inside package - provides secure, non-external-bootable firmware storage; inaccessible to external probing. |
| OTP Memory | 64 Kbit one-time programmable memory - stores immutable keys, MAC addresses, or product IDs without external EEPROM dependency. |
| PWM Capability | 3-phase 16-bit center-based PWM unit - directly drives 3-phase inverters in motor control applications without external gate drivers. |
| Serial Interfaces | 2 dual-channel SPORTs (8 stereo I²S channels), 2 SPI, 2 UART with IrDA, TWI - supports multi-channel audio I/O and sensor/actuator communication. |
| Timers & Counters | Eight 32-bit timers with PWM, 32-bit general-purpose counter, RTC, watchdog - enables precise timekeeping, event scheduling, and system supervision. |
Pinout & Package
ADSP-BF514KSWZ-3 is packaged in a 176-lead LQFP_EP (exposed pad) with 0.5 mm pitch, measuring 24 mm × 24 mm. Thermal performance is enhanced by the exposed thermal pad soldered to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11–PG14 | SPI0 interface signals (SS, SCK, MOSI, MISO) | Connect internally to 16 Mbit SPI flash die; not routed externally - prevents external read/write access to firmware. |
| PH8 / SEL4 | Flash chip select multiplex | Selects internal SPI flash during boot; shared function avoids dedicated pin overhead. |
| PF0–PF7 | Parallel Peripheral Interface (PPI) data bus | Supports ITU-R BT.656 video input/output at up to 80 MHz - enables direct camera/display interfacing. |
| PA0–PA15 | External Memory Bus (EMB) address/data multiplex | Glueless interface to SDRAM, SRAM, or flash; 16-bit data path simplifies PCB routing vs. wider buses. |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; synchronizes core, peripherals, and PLL upon deassertion. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code/data protection enabling secure boot, encrypted firmware updates, and tamper-resistant key storage. |
| Dynamic Power Management | Voltage/frequency scaling reduces active power consumption - extends battery life in portable instrumentation and edge nodes. |
| Memory Management Unit (MMU) | Provides memory protection between tasks and prevents unauthorized access to system registers - essential for RTOS-based safety-critical firmware. |
| Removable Storage Interface (RSI) | Native controller for SD, SDIO, MMC, CE-ATA - enables field-upgradable firmware and data logging without USB bridge ICs. |
| IEEE 1588-ready peripheral bus | Timing infrastructure supports future upgrade to IEEE 1588 PTP with external PHY - preserves design investment for time-synchronized networks. |
Applications
| Industrial Motor Control | Professional Audio Processing |
|---|---|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC (Field-Oriented Control) algorithms with sub-microsecond PWM update latency. Use Value: Integrated 3-phase PWM unit and 400 MHz deterministic processing eliminate external PWM generators and reduce BOM count by 3 components. | Use Scenario: Multi-channel digital mixing console with 8-channel I²S input/output and dynamic EQ processing. IC Role / Device Role / Timing Role: Audio stream processor handling sample-rate conversion, FIR filtering, and gain staging across 8 stereo channels. Use Value: Dual SPORTs supporting 8 stereo I²S channels + 32 KB L1 data SRAM enable zero-buffer-copy audio pipeline with <50 μs latency. |
| Video Surveillance Edge Node | Secure Industrial Gateway |
Use Scenario: HD video capture and motion analytics at network edge using CMOS image sensor and low-power SoM. IC Role / Device Role / Timing Role: PPI interface ingests BT.656 video; dual MACs accelerate motion detection kernels in real time. Use Value: On-chip 116 KB memory and PPI eliminate external frame buffer RAM, reducing power and board area by 22% vs. ARM Cortex-A53 solution. | Use Scenario: Protocol-agnostic industrial gateway connecting Modbus RTU, CAN, and EtherNet/IP to cloud MQTT broker. IC Role / Device Role / Timing Role: Secure application host with Lockbox-protected firmware, RSI for SD-based configuration backup, and OTP-stored device identity. Use Value: Integrated SPI flash + OTP + RSI removes need for external secure element and non-volatile storage ICs - lowers total security BOM cost by $1.85/unit. |
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-BF516KSWZ-3 | Includes IEEE 802.3-compliant 10/100 Ethernet MAC; same core, memory, and peripherals otherwise. | Required for wired industrial networking where Ethernet PHY integration is mandatory. | Select ADSP-BF516KSWZ-3 only if native MAC functionality is needed; ADSP-BF514KSWZ-3 saves cost and layout space when Ethernet is handled externally. |
| ADSP-BF514KBCZ-3 | Same core and feature set but in 168-ball CSP_BGA package (6 mm × 6 mm); no exposed pad. | Suitable for space-constrained portable or handheld equipment where LQFP footprint is prohibitive. | Choose ADSP-BF514KBCZ-3 for ultra-compact designs; ADSP-BF514KSWZ-3 preferred for thermal management and manual assembly/rework. |
Compared with ADSP-BF516KSWZ-3, ADSP-BF514KSWZ-3 omits Ethernet MAC but retains identical signal processing capability and memory subsystem - ideal for cost-sensitive motor/audio applications. Against ADSP-BF514KBCZ-3, it trades smaller footprint for superior thermal dissipation and easier PCB routing in industrial environments.
Availability
ADSP-BF514KSWZ-3 is available at Aetrix Electronics and suitable for industrial motor control, professional audio processing, video surveillance edge nodes, and secure industrial gateways requiring stable component supply across long-lifecycle deployments.
Supply support for ADSP-BF514KSWZ-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 measurement and real-time control.
The ADSP-BF51x product line delivers integrated Blackfin processors optimized for deterministic real-time embedded applications in industrial automation, audio/video processing, and motor control - combining DSP acceleration with microcontroller programmability.
FAQ
Does ADSP-BF514KSWZ-3 include an integrated Ethernet MAC?
No, ADSP-BF514KSWZ-3 does not include an integrated Ethernet MAC. Per Table 1 in the Rev. D datasheet, Ethernet MAC functionality is exclusive to ADSP-BF516/ADSP-BF518 variants. ADSP-BF514KSWZ-3 retains all other peripherals including RSI, SPORTs, SPI, UARTs, and 3-phase PWM, making it suitable for applications where Ethernet is implemented externally via PHY+MAC or omitted entirely.
What is the purpose of the internal 16 Mbit SPI flash in ADSP-BF514KSWZ-3?
ADSP-BF514KSWZ-3 integrates a 16 Mbit SPI flash die internally connected to SPI0 pins (PG11–PG14). This flash is used for secure boot code storage and firmware images. Its signals are not exposed outside the package, preventing external probing or reprogramming - ensuring firmware integrity and enabling Lockbox-secured boot sequences without external memory components.
Can ADSP-BF514KSWZ-3 boot from external memory sources?
Yes, ADSP-BF514KSWZ-3 supports multiple boot modes: internal SPI flash, OTP memory, external SPI or parallel memories, and host devices via SPI or UART. Boot source selection is controlled by hardware strapping pins (BOOT pins) at reset. The on-chip boot kernel automatically configures the selected interface, allowing flexible firmware deployment and field updates without JTAG dependency.
Is the 3-phase PWM unit in ADSP-BF514KSWZ-3 software-configurable for different motor topologies?
Yes, the 3-phase 16-bit center-based PWM unit in ADSP-BF514KSWZ-3 supports configurable dead-time insertion, complementary output pairs, and center-aligned modulation - enabling direct control of 3-phase inverters for BLDC, PMSM, and AC induction motors. Register-level control allows runtime adjustment of carrier frequency, duty cycle, and fault response without firmware reload.
How does the Memory Management Unit (MMU) in ADSP-BF514KSWZ-3 enhance system reliability?
The MMU in ADSP-BF514KSWZ-3 enforces memory protection between application tasks and kernel space, preventing unauthorized access to critical registers and memory regions. This isolation ensures that a fault in one task cannot corrupt system state or compromise security primitives like Lockbox - a requirement for IEC 61508 SIL-2 and ISO 26262 ASIL-B certified industrial firmware deployments.
ADSP-BF514KSWZ-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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP-EP (24x24)
ADSP-BF514KSWZ-3 FAQ
1.How can I place an order for ADSP-BF514KSWZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514KSWZ-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-BF514KSWZ-3 reliable?
The price and inventory of ADSP-BF514KSWZ-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-BF514KSWZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514KSWZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514KSWZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514KSWZ-3?
ADSP-BF514KSWZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514KSWZ-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-BF514KSWZ-3?
For technical support, including ADSP-BF514KSWZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514KSWZ-3 requirements.
6.How does Aetrix verify that ADSP-BF514KSWZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514KSWZ-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-BF514KSWZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514KSWZ-3?
All ADSP-BF514KSWZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514KSWZ-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-BF514KSWZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF514KSWZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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