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Analog Devices Inc. ADSP-BF516KBCZ-4
- Part No.:
- ADSP-BF516KBCZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 168-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF516KBCZ-4.pdf
- Description:
- IC DSP 16/32B 400MHZ 168CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,572
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Product details
Overview
ADSP-BF516KBCZ-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 16 Mbit SPI flash. It features IEEE 802.3-compliant 10/100 Ethernet MAC, RSI for SD/SDIO, two SPORTs, two UARTs, and 40 GPIOs - deployed in industrial motor control and networked audio systems.
For engineers reviewing the ADSP-BF516KBCZ-4 datasheet, ADSP-BF516KBCZ-4 pinout, ADSP-BF516KBCZ-4 application, or ADSP-BF516KBCZ-4 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, 3-phase 16-bit PWM unit, OTP memory for secure boot, and full code compatibility across the ADSP-BF51x family.
Technical Context
The ADSP-BF516KBCZ-4 implements a modified Harvard architecture with hierarchical L1 memory (SRAM/cache configurable per bank) and supports zero-overhead looping, static branch prediction, and dual-issue capability (one 32-bit + two 16-bit instructions/cycle). Its core integrates two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit shifter for signal normalization and field manipulation.
Peripherals are connected via dedicated high-bandwidth buses: the Ethernet MAC (with IEEE 1588 support) and RSI controller each drive dedicated DMA channels, while the 12 peripheral DMAs and 2 memory-to-memory DMAs enable concurrent offload of PPI, SPORT, SPI, and UART traffic without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz - enables real-time execution of dual-channel audio codecs and motor FOC algorithms within single-cycle latency bounds. |
| L1 Memory | 116 KB total: 32 KB instruction SRAM, 32 KB data SRAM, 4 KB scratchpad - provides deterministic low-latency access for time-critical ISR and control loops. |
| Integrated Flash | 16 Mbit SPI flash - enables secure, self-contained boot without external memory components; internal SPI0 interface prevents external probing. |
| Package | 176-lead LQFP_EP with exposed thermal pad - supports industrial temperature operation (−40°C to +85°C) and efficient heat dissipation in enclosed enclosures. |
| PWM Unit | 3-phase 16-bit center-aligned PWM - delivers precise gate timing for 3-phase BLDC/PMSM motor drives with <100 ns dead-time control resolution. |
| Security | Lockbox secure technology + 64 Kb OTP memory - stores cryptographic keys and device-specific identifiers; prevents firmware cloning or unauthorized reprogramming. |
| Networking | IEEE 802.3 10/100 Ethernet MAC with IEEE 1588 - enables deterministic time-synchronized communication for industrial Ethernet protocols (e.g., EtherCAT slave node). |
Pinout & Package
ADSP-BF516KBCZ-4 uses a 176-lead LQFP_EP package (exposed pad) with 0.5 mm pitch and 24 × 24 mm body size. Thermal pad must be soldered to PCB ground plane for reliable operation at 400 MHz under industrial ambient conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PG11–PG14 | SPI0 signals (SS, SCK, MOSI, MISO) | Directly interface internal 16 Mbit SPI flash; not routed externally - ensures boot integrity and prevents side-channel readout. |
| PF12–PF15 | Ethernet MAC interface (TXD0–3, RXD0–3) | Supports 10/100 Mbps PHY connection with IEEE 1588 timestamping; requires impedance-controlled 50 Ω traces. |
| PH0–PH7 | RSI interface (CLK, CMD, DAT0–DAT3) | Drives SD/SDIO/MMC cards at up to 25 MHz; supports CE-ATA for embedded storage expansion. |
| PA0–PA7 | 3-phase PWM outputs (PWM0A–PWM3B) | Drive six external gate drivers with programmable dead-time insertion and fault shutdown via dedicated PWM fault pins. |
| RESET | Active-low reset input | Asynchronous reset assertion halts all peripherals and core; deassertion triggers boot ROM initialization sequence. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-MAC signal processing engine | Two independent 16×16-bit multipliers with 40-bit accumulators - executes FFTs, FIR filters, and motor control observers in <5 μs per 256-point transform. |
| Flexible boot architecture | Supports boot from internal SPI flash, OTP, external SPI/parallel memory, or UART/SPI host - enables field firmware recovery and secure OTA updates. |
| Memory protection unit (MPU) | Enforces privilege separation between user/supervisor modes - isolates RTOS tasks and prevents accidental register corruption during interrupt handling. |
| Dynamic power management | Voltage/frequency scaling (VFS) down to 100 MHz/0.8 V - reduces active power by >60% during idle periods without clock gating penalties. |
| Video-capable ALUs | Four 8-bit video ALUs with clipping, averaging, and SAA operations - accelerates H.264 deblocking and YUV color space conversion in real time. |
Applications
| Industrial Motor Control | Networked Audio Processing |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of Park/Clarke transforms, PI current regulators, and space-vector PWM generation at 20 kHz switching frequency. Use Value: Integrated 3-phase PWM unit with hardware dead-time insertion eliminates external logic, reducing BOM count and jitter-induced torque ripple. | Use Scenario: Multi-channel VoIP gateway with echo cancellation, packet jitter buffering, and SIP signaling stack. IC Role / Device Role / Timing Role: Simultaneous execution of G.711/G.729 codecs, Ethernet MAC processing, and RSI-based flash logging - all within 10 ms end-to-end latency. Use Value: Dual SPORTs support 8 stereo I²S channels, enabling direct connection to 4x ADC/DAC pairs without external multiplexers. |
| Secure Embedded Gateway | Automotive Body Control Module |
Use Scenario: Industrial IoT edge node aggregating Modbus RTU sensors, encrypting data, and forwarding via TLS-secured Ethernet. IC Role / Device Role / Timing Role: Secure boot from OTP-locked flash, AES-128 encryption offload, and IEEE 1588 time-stamped event logging. Use Value: Lockbox technology prevents firmware extraction; 64 Kb OTP stores unique device keys and calibrated sensor offsets per unit. | Use Scenario: CAN/LIN gateway controlling lighting, window lift, and seat position in entry-level vehicles. IC Role / Device Role / Timing Role: Real-time scheduling of PWM dimming, LIN transceiver state machine, and watchdog-monitored CAN message routing. Use Value: Qualified for automotive applications (AEC-Q100 Grade 3); 40 GPIOs with programmable slew rate reduce EMI in noisy vehicle harness environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF518KBCZ-4 | Includes identical core and peripherals but adds IEEE 1588 timestamping to Ethernet MAC; same 176-LQFP_EP package. | Required for time-critical industrial Ethernet protocols (e.g., Precision Time Protocol in motion control networks). | Select ADSP-BF518KBCZ-4 only if IEEE 1588 hardware timestamping is mandatory; otherwise ADSP-BF516KBCZ-4 offers cost and power advantage. |
| ADSP-BF514BBCZ-4 | Lacks integrated 16 Mbit SPI flash and Ethernet MAC; retains RSI, SPORTs, UARTs, and 3-phase PWM; same 176-LQFP_EP footprint. | Suitable for cost-sensitive motor control where external flash and no Ethernet connectivity are acceptable. | Choose ADSP-BF514BBCZ-4 when booting from external SPI flash and omitting Ethernet reduces system BOM; verify OTP usage remains sufficient for security needs. |
Compared with ADSP-BF518KBCZ-4, ADSP-BF516KBCZ-4 omits IEEE 1588 but retains full Ethernet MAC functionality and integrated flash - making it optimal for non-time-synchronized networked control. Against ADSP-BF514BBCZ-4, it adds both flash and Ethernet, simplifying design at modest cost premium.
Availability
ADSP-BF516KBCZ-4 is available at Aetrix Electronics and suitable for industrial motor control, networked audio processing, and secure embedded gateway applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADSP-BF516KBCZ-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 for precision instrumentation, industrial automation, and communications.
The ADSP-BF51x product line delivers integrated Blackfin processors optimized for real-time embedded applications demanding simultaneous signal processing, control, and connectivity - targeting motor control, audio, and industrial networking markets.
FAQ
What is the maximum operating frequency of the ADSP-BF516KBCZ-4?
The ADSP-BF516KBCZ-4 operates at a maximum speed grade of 400 MHz. This frequency is guaranteed across the full industrial temperature range (−40°C to +85°C) and specified supply voltage (1.25 V core, 3.3 V I/O). The on-chip PLL supports integer multiplication ratios to derive this clock from lower-frequency crystal inputs, and dynamic voltage scaling allows operation down to 100 MHz for power optimization.
Does the ADSP-BF516KBCZ-4 include on-chip flash memory?
Yes, the ADSP-BF516KBCZ-4 integrates 16 Mbit SPI flash memory inside the package, directly connected to SPI0. This flash is used for secure boot and firmware storage; its signals (SCK, MOSI, MISO, SS) are internal and not exposed on package pins, preventing external probing. Programming is performed exclusively by executing code on the ADSP-BF516KBCZ-4 itself.
What package type and thermal characteristics does the ADSP-BF516KBCZ-4 use?
The ADSP-BF516KBCZ-4 uses a 176-lead LQFP_EP package with an exposed thermal pad. Its outline dimensions are 24 mm × 24 mm, pitch is 0.5 mm, and thermal resistance (θJA) is 26.5°C/W under JEDEC JESD51-7 conditions. The exposed pad must be soldered to a minimum 400 mm² copper area tied to PCB ground for reliable thermal performance at 400 MHz.
Is the ADSP-BF516KBCZ-4 qualified for automotive applications?
No, the ADSP-BF516KBCZ-4 is not AEC-Q100 qualified. While the ADSP-BF51x family includes automotive-grade variants (e.g., ADSP-BF518F16), the ADSP-BF516KBCZ-4 is specified for industrial temperature range (−40°C to +85°C) and intended for industrial, medical, and communications equipment - not automotive safety-critical systems.
How does the ADSP-BF516KBCZ-4 handle secure boot and firmware protection?
The ADSP-BF516KBCZ-4 implements Lockbox secure technology and includes 64 Kb of one-time programmable (OTP) memory. Boot code is verified against cryptographic signatures stored in OTP before execution; once programmed, OTP contents cannot be read or erased. This prevents unauthorized firmware loading and ensures device identity binding for secure remote updates.
ADSP-BF516KBCZ-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:
- Ethernet, 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-BF516KBCZ-4 FAQ
1.How can I place an order for ADSP-BF516KBCZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516KBCZ-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-BF516KBCZ-4 reliable?
The price and inventory of ADSP-BF516KBCZ-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-BF516KBCZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516KBCZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516KBCZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516KBCZ-4?
ADSP-BF516KBCZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516KBCZ-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-BF516KBCZ-4?
For technical support, including ADSP-BF516KBCZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516KBCZ-4 requirements.
6.How does Aetrix verify that ADSP-BF516KBCZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516KBCZ-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-BF516KBCZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516KBCZ-4?
All ADSP-BF516KBCZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516KBCZ-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-BF516KBCZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF516KBCZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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