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Analog Devices Inc. ADSP-BF514KBCZ-4
- Part No.:
- ADSP-BF514KBCZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 168-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF514KBCZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ 168CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,418
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Product details
Overview
ADSP-BF514KBCZ-4 from Analog Devices is a Blackfin embedded processor with dual 16-bit MACs, two 40-bit ALUs, and 116KB on-chip memory (32KB L1 instruction SRAM, 32KB L1 data SRAM, 4KB scratchpad, 32KB boot ROM), operating at 400 MHz for real-time audio/video processing in automotive infotainment systems.
For engineers reviewing the ADSP-BF514KBCZ-4 datasheet, ADSP-BF514KBCZ-4 pinout, ADSP-BF514KBCZ-4 application, or ADSP-BF514KBCZ-4 equivalent, key selection criteria include SPI flash integration, 176-lead LQFP_EP package with exposed pad, IEEE 1588 absence, RSI/SPORT/TWI peripheral support, and OTP memory for secure boot.
Technical Context
The ADSP-BF514KBCZ-4 implements a modified Harvard architecture with hierarchical L1 memory (SRAM/cache configurable per bank), full 32-bit address space, and memory management unit for task isolation. It supports zero-overhead looping, static branch prediction, and dual-issue capability (one 32-bit + two 16-bit instructions/cycle).
Its event handling system combines core event controller (CEC) and system interrupt controller (SIC) to manage 56 interrupt inputs with nesting and prioritization. DMA includes 12 peripheral channels (RSI, SPORTs, SPI, UART, PPI) plus 2 memory-to-memory channels with descriptor-based 2-D transfer support up to 64K×64K elements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Blackfin® dual-MAC DSP + RISC core with 40-bit ALUs, 16-bit video ALUs, and 40-bit shifter for mixed-signal compute tasks. |
| Clock Speed | 400 MHz maximum operation enabling real-time 8-channel I2S audio or ITU-R BT.656 video decode. |
| On-Chip Memory | 116KB total: 32KB L1 instruction SRAM, 32KB L1 data SRAM, 4KB scratchpad, 32KB boot ROM, 64K-bit OTP. |
| Integrated Flash | No internal SPI flash - ADSP-BF514KBCZ-4 is flashless variant (vs. BF514F16 with 16M-bit SPI flash). |
| Peripherals | RSI (SD/SDIO/MMC), 2× SPORTs (8 stereo I2S), 2× SPI, 2× UART (IrDA), TWI, PPI, 8× GP timers with PWM, RTC, watchdog, 40 GPIOs. |
| Package | 176-lead LQFP_EP with exposed thermal pad - requires PCB thermal via array for 400 MHz thermal compliance. |
| Automotive Qualification | AEC-Q100 Grade 3 qualified (−40°C to +85°C ambient) for body electronics and gateway modules. |
Pinout & Package
ADSP-BF514KBCZ-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 JEDEC-standard thermal pad for enhanced heat dissipation under sustained 400 MHz operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core power supply | 1.2 V ±3% supply for processor core; requires low-noise regulation and local 10 µF/100 nF decoupling. |
| VDDEXT | I/O power supply | 3.3 V ±5% supply for all digital I/Os including SPI, UART, SPORT, RSI, and GPIOs. |
| RESET | Active-low reset input | Asynchronous reset assertion halts execution and reloads boot vector from boot ROM or external source. |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strapping determines boot source: internal ROM, external SPI/parallel memory, or host UART/SPI. |
| PG11–PG14 | SPI0 interface signals | PG11=SPI0SS, PG12=SPI0SCK, PG13=SPI0MISO, PG14=SPI0MOSI - dedicated for external flash or peripheral control. |
| PF0–PF7 | RSI data bus | 8-bit bidirectional SD/SDIO/MMC data path supporting high-speed mode (up to 50 MHz) and CE-ATA protocol. |
Key Features
| Feature | Design Value |
|---|---|
| Code Security | Lockbox secure technology with OTP memory enables encrypted boot and immutable key storage for firmware authentication. |
| Dynamic Power Management | Independent voltage/frequency scaling (DVFS) allows runtime adjustment of VDDINT and clock to reduce active power by >40% during low-load intervals. |
| Memory Protection | MMU enforces per-task memory isolation - prevents rogue threads from corrupting kernel or peripheral registers in multitasking RTOS environments. |
| Video Acceleration | Four 8-bit video ALUs + byte-aligned packing/clip/average instructions accelerate H.264 deblocking and YUV conversion without CPU intervention. |
| Real-Time Determinism | Dual-issue pipeline + zero-overhead loops + hardware loop buffer guarantee bounded worst-case interrupt latency <100 ns for safety-critical control loops. |
Applications
| Automotive Infotainment Head Unit | Industrial Video Surveillance Encoder |
|---|---|
Use Scenario: Central multimedia processor in vehicle head units running Linux-based IVI stack with simultaneous Bluetooth A2DP audio, rear-view camera video overlay, and navigation voice synthesis. IC Role / Device Role / Timing Role: Primary application processor executing OS, codecs, and UI; handles real-time audio I/O via SPORTs and video capture via PPI with sub-16 ms end-to-end latency. Use Value: Integrated RSI eliminates external SD card controller; OTP stores vehicle VIN and calibration data; 400 MHz throughput sustains 1080p30 H.264 encode + decode concurrently. | Use Scenario: Edge encoder in IP camera systems capturing dual 720p streams, compressing with H.264, and streaming over Ethernet with timestamped motion detection metadata. IC Role / Device Role / Timing Role: Standalone video processing node performing sensor interface (PPI), compression (video ALUs), network transport (Ethernet MAC not present - uses external PHY), and local storage (RSI). Use Value: 2-D DMA offloads frame buffering from CPU; TWI configures image sensors; 40 GPIOs drive IR cut filters and PTZ motors with precise PWM timing. |
| Medical Ultrasound Beamformer | Smart Grid Communication Gateway |
Use Scenario: Portable ultrasound device requiring real-time beamforming, Doppler processing, and display rendering within strict 500 mW power envelope and −20°C to +60°C operating range. IC Role / Device Role / Timing Role: Signal processing engine executing FIR filtering, FFT, and envelope detection on raw ADC samples; interfaces to FPGA front-end via PPI and display controller via SPORT. Use Value: Dual 16-bit MACs deliver 1.6 GMAC/s for parallel channel processing; L1 SRAM minimizes cache misses during deterministic beam scan cycles. | Use Scenario: Substation gateway aggregating Modbus RTU data from 32+ field devices, encrypting payloads, and forwarding via cellular or Ethernet to SCADA master. IC Role / Device Role / Timing Role: Secure communications coprocessor managing TLS handshake, AES-256 encryption, and time-synchronized packet logging using RTC and 32-bit counter. Use Value: Lockbox + OTP stores root CA certificate and private keys; UART/IrDA supports legacy field device debugging; 8 GP timers schedule polling intervals with microsecond precision. |
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-BF516KBCZ-4 | Includes IEEE 802.3-compliant 10/100 Ethernet MAC and IEEE 1588 timestamping; same core, memory, and peripherals otherwise. | Required for time-sensitive networking (TSN) gateways or industrial PLCs needing native Ethernet connectivity without external PHY/MAC. | Select ADSP-BF516KBCZ-4 when integrated MAC reduces BOM cost and board area versus adding external Ethernet controller. |
| ADSP-BF518KBCZ-4 | Adds Ethernet MAC + IEEE 1588 + RSI + TWI + full timer set; identical package and speed grade but higher pin count utilization. | Suitable for complex edge nodes requiring synchronized multi-protocol I/O (Ethernet + SDIO + I2C + UART) in single-chip form factor. | Choose ADSP-BF518KBCZ-4 only if all integrated peripherals are used - unused MAC increases EMI risk and power without benefit. |
Compared with ADSP-BF514KBCZ-4, ADSP-BF516KBCZ-4 adds essential Ethernet functionality at no clock or memory penalty, while ADSP-BF518KBCZ-4 extends peripheral count but demands more careful signal integrity planning due to higher I/O density and 1588 timing constraints.
Availability
ADSP-BF514KBCZ-4 is available at Aetrix Electronics and suitable for automotive infotainment, industrial video encoding, medical ultrasound beamforming, and smart grid gateway applications requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF514KBCZ-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 leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision sensing, power management, and connectivity.
The Blackfin processor line targets cost-sensitive, power-constrained embedded applications requiring real-time signal processing, programmable control, and rich peripheral integration - especially in automotive, industrial, and medical edge devices.
FAQ
What is the maximum operating frequency of the ADSP-BF514KBCZ-4?
The ADSP-BF514KBCZ-4 is rated for a maximum operating frequency of 400 MHz under specified voltage and temperature conditions. This speed grade is validated across the full industrial temperature range (−40°C to +85°C) with 1.2 V ±3% VDDINT and 3.3 V ±5% VDDEXT supplies. Sustained 400 MHz operation requires adherence to thermal design guidelines including use of the exposed pad and minimum 6 thermal vias in the PCB layout.
Does the ADSP-BF514KBCZ-4 include integrated SPI flash memory?
No, the ADSP-BF514KBCZ-4 does not include integrated SPI flash memory. It belongs to the flashless variant group within the BF51x family. In contrast, the ADSP-BF514F16KBCZ-4 variant integrates 16 Mbit SPI flash. The ADSP-BF514KBCZ-4 relies on external boot sources such as parallel NOR flash, SPI flash connected to its SPI0 interface, or host-controlled boot via UART/SPI.
Which package type is used for the ADSP-BF514KBCZ-4?
The ADSP-BF514KBCZ-4 uses a 176-lead LQFP_EP (Low-Profile Quad Flat Package with Exposed Pad) package. Its dimensions are 24 mm × 24 mm × 1.6 mm with 0.5 mm lead pitch. The exposed thermal pad must be soldered to a dedicated copper pour on the PCB with ≥6 thermal vias to ensure reliable thermal performance at 400 MHz operation.
Is the ADSP-BF514KBCZ-4 qualified for automotive applications?
Yes, the ADSP-BF514KBCZ-4 is AEC-Q100 Grade 3 qualified, certified for operation from −40°C to +85°C ambient temperature. It meets automotive reliability requirements including HTOL, TC, and ESD testing. This qualification supports deployment in body control modules, infotainment systems, and gateway ECUs where extended temperature range and long-term stability are mandatory.
What boot options are supported by the ADSP-BF514KBCZ-4?
The ADSP-BF514KBCZ-4 supports flexible boot modes selected via BOOT_CFG[2:0] pins: internal boot ROM, external SPI flash (via SPI0), external parallel memory (8-/16-bit), or host boot via UART or SPI. No internal flash means boot code must reside externally; OTP memory can store boot configuration and cryptographic keys but not executable code.
ADSP-BF514KBCZ-4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 168-LFBGA, CSPBGA
- 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:
- 168-CSPBGA (12x12)
ADSP-BF514KBCZ-4 FAQ
1.How can I place an order for ADSP-BF514KBCZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514KBCZ-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-BF514KBCZ-4 reliable?
The price and inventory of ADSP-BF514KBCZ-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-BF514KBCZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514KBCZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514KBCZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514KBCZ-4?
ADSP-BF514KBCZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514KBCZ-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-BF514KBCZ-4?
For technical support, including ADSP-BF514KBCZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514KBCZ-4 requirements.
6.How does Aetrix verify that ADSP-BF514KBCZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514KBCZ-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-BF514KBCZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514KBCZ-4?
All ADSP-BF514KBCZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514KBCZ-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-BF514KBCZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF514KBCZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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