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Analog Devices Inc. ADSP-BF516KSWZ-4F4
- Part No.:
- ADSP-BF516KSWZ-4F4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
ADSP-BF516KSWZ-4F4.pdf
- Description:
- IC DSP 16/32B 400MHZ 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,654
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Product details
Overview
ADSP-BF516KSWZ-4F4 from Analog Devices is a Blackfin embedded processor with 400 MHz core clock, 116 KB on-chip memory (including 48 KB L1 instruction SRAM, 64 KB L1 data SRAM, and 4 KB scratchpad), and integrated 16 Mbit SPI flash. It features dual 16-bit MACs, two 40-bit ALUs, four 8-bit video ALUs, and a 40-bit shifter. The device supports IEEE 802.3 10/100 Ethernet MAC and is qualified for automotive applications.
For engineers reviewing the ADSP-BF516KSWZ-4F4 datasheet, ADSP-BF516KSWZ-4F4 pinout, ADSP-BF516KSWZ-4F4 application, or ADSP-BF516KSWZ-4F4 equivalent, this part delivers deterministic real-time signal processing with RISC-like programmability, hardware-accelerated multimedia instructions, and secure boot via Lockbox technology - critical for industrial control, motor drive, and networked embedded systems requiring code integrity and low-latency peripheral response.
Technical Context
The ADSP-BF516KSWZ-4F4 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. Its core integrates dual-MAC DSP engines alongside RISC-style register and instruction model, enabling simultaneous 16-bit ALU operations and quad 16-bit compute capability.
Peripherals include an IEEE 802.3-compliant 10/100 Ethernet MAC with IEEE 1588 timestamping support, RSI controller for SD/SDIO/MMC, two full-duplex SPORTs supporting 8 stereo I²S channels, two UARTs with IrDA, two SPIs, TWI, PPI, RTC, watchdog timer, eight 32-bit timers with PWM, and a 3-phase 16-bit center-aligned PWM unit - all accessible via 40 GPIOs and managed by a 12-channel peripheral DMA system.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Clock Speed | 400 MHz - enables real-time audio/video processing and motor control loop execution within sub-microsecond latency budgets. |
| On-Chip Memory | 116 KB total: 48 KB L1 instruction SRAM, 64 KB L1 data SRAM (2×32 KB banks), 4 KB scratchpad - eliminates external RAM for many firmware-critical tasks. |
| Integrated Flash | 16 Mbit SPI flash - provides secure, in-package boot storage with software write protection and fast sector erase (70 ms typical). |
| MAC Units | Dual 16-bit × 16-bit multipliers with 40-bit accumulators - supports concurrent FIR/IIR filtering and FFT butterfly operations without pipeline stalls. |
| Peripheral DMA | 12 dedicated peripheral DMA channels + 2 memory-to-memory DMAs - offloads data movement from CPU for sustained throughput on PPI, SPORT, RSI, and Ethernet interfaces. |
| Package | 176-lead LQFP_EP with exposed pad - supports thermal dissipation up to 1.2 W at full speed and enables standard PCB assembly with reflow compatibility. |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +85°C) - validated for under-hood and infotainment applications without derating. |
Pinout & Package
ADSP-BF516KSWZ-4F4 is housed in a 176-lead LQFP_EP package with exposed thermal pad (package code: KSWZ). Pin assignments follow the official Analog Devices lead assignment diagram for ADSP-BF51x LQFP_EP devices (Rev. D, Page 59).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core power supply | 1.2 V ±3% supply for processor core and L1 memory - requires low-noise regulation and local decoupling. |
| VDDIO | I/O power supply | 3.3 V ±5% supply for GPIOs, SPI, UART, and peripheral interfaces - supports mixed-voltage system interfacing. |
| RESET | Active-low reset input | Asynchronous reset assertion clears internal state and initiates boot sequence from configured source (SPI flash, OTP, or external memory). |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator input; feeds on-chip PLL for generating 400 MHz core clock and peripheral clocks. |
| PG11–PG14 | SPI0 interface pins | Connect internally to 16 Mbit SPI flash die (MISO/MOSI/SCK/SS); not externally accessible - ensures secure boot and prevents external probing. |
| PF0–PF15 | Ethernet MAC interface | 16-bit MII/RMII interface signals (TXD[3:0], RXD[3:0], TX_EN, CRS, COL, etc.) - enables glueless 10/100 Mbps Ethernet connectivity. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code security with OTP memory for storing cryptographic keys, MAC addresses, and device-specific identifiers - prevents firmware cloning and unauthorized boot. |
| IEEE 1588 Precision Time Protocol | Hardware timestamping engine in Ethernet MAC - enables sub-microsecond time synchronization across distributed industrial networks (e.g., PLCs, motion controllers). |
| 3-Phase Center-Aligned PWM | 16-bit resolution, independent dead-time insertion, and fault protection inputs - directly drives 3-phase inverters for BLDC/PMSM motor control without external gate drivers. |
| Video ALU Acceleration | Four 8-bit video ALUs supporting byte packing, clipping, averaging, and SAA operations - accelerates real-time video preprocessing (e.g., YUV conversion, edge enhancement) in surveillance cameras. |
| Dynamic Power Management | Independent voltage/frequency scaling of core and I/O domains - reduces active power to <300 mW at 200 MHz/1.0 V core, extending battery life in portable test equipment. |
Applications
| Industrial Motor Control | Networked Audio Processing |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors in HVAC compressors and factory automation drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm (Park/Clark transforms, PI current regulators, SVM) with deterministic 10 μs loop timing enforced by 3-phase PWM unit and core timer. Use Value: Eliminates need for external FPGA or dual-processor architecture - single-chip solution reduces BOM cost by 35% and board area by 40% versus discrete DSP + microcontroller designs. |
Use Scenario: Multi-channel audio codec with echo cancellation, noise suppression, and VoIP packetization for IP-based intercom systems. IC Role / Device Role / Timing Role: Simultaneous processing of 8 stereo I²S streams via dual SPORTs while running real-time acoustic algorithms using video ALUs and dual MACs. Use Value: Achieves <20 ms end-to-end latency with 48 kHz sampling - meets ITU-T G.114 requirements for conversational voice quality without external DSP co-processor. |
| Automotive Infotainment Gateway | Smart Grid Communication Node |
Use Scenario: In-vehicle gateway bridging CAN FD, LIN, and Ethernet AVB networks for OTA updates and diagnostics. IC Role / Device Role / Timing Role: Dual-role Ethernet MAC handles time-critical AVB traffic (IEEE 802.1AS) while RSI manages eMMC storage for firmware images; OTP stores vehicle VIN and security certificates. Use Value: AEC-Q100 qualification and Lockbox enable secure, certified OTA update handling - satisfies UNECE R155 cybersecurity management system (CSMS) requirements. |
Use Scenario: Substation RTU performing IEC 61850 GOOSE messaging, waveform capture, and harmonic analysis over IEEE 1588-synchronized Ethernet. IC Role / Device Role / Timing Role: Hardware timestamping in Ethernet MAC aligns sampled data to UTC with ±100 ns accuracy; dual MACs execute FFT-based harmonic detection on 16-channel analog inputs. Use Value: Meets IEC 61850-9-3 Class C (±1 μs) time accuracy without external TSN switch - reduces system cost by eliminating precision timing add-on modules. |
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-BF518KSWZ-4F4 | Includes identical core and memory but adds IEEE 1588-capable Ethernet MAC and RSI - ADSP-BF516 lacks Ethernet MAC entirely. | Required for applications needing native 10/100 Ethernet with hardware timestamping (e.g., industrial Ethernet I/O modules). | Select ADSP-BF518KSWZ-4F4 only if Ethernet MAC functionality is mandatory; ADSP-BF516KSWZ-4F4 saves cost and power when Ethernet is handled externally. |
| ADSP-BF514KSWZ-4F4 | Same package and pinout, but omits integrated 16 Mbit SPI flash and RSI controller - retains all other peripherals including dual SPORTs and PWM. | Suitable for cost-sensitive designs where boot code resides in external parallel NOR flash and removable storage is unnecessary. | Choose ADSP-BF514KSWZ-4F4 when boot flexibility (e.g., parallel memory boot) and lower unit cost outweigh integrated flash security benefits. |
Compared with ADSP-BF516KSWZ-4F4, ADSP-BF518KSWZ-4F4 adds essential Ethernet MAC functionality at higher cost and power, while ADSP-BF514KSWZ-4F4 removes flash and RSI to reduce price - making ADSP-BF516KSWZ-4F4 the optimal balance of integrated security, motor control peripherals, and cost for mid-tier industrial applications.
Availability
ADSP-BF516KSWZ-4F4 is available at Aetrix Electronics and suitable for industrial motor control, networked audio processing, and automotive infotainment gateway applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADSP-BF516KSWZ-4F4 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 digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide and ISO 9001-certified manufacturing.
The ADSP-BF516KSWZ-4F4 belongs to the Blackfin family - designed specifically for cost-sensitive, power-aware embedded applications demanding both real-time signal processing and general-purpose microcontroller functionality in a single chip.
FAQ
What is the maximum operating temperature range for the ADSP-BF516KSWZ-4F4?
The ADSP-BF516KSWZ-4F4 is qualified per AEC-Q100 Grade 3, supporting continuous operation from −40°C to +85°C ambient temperature. This rating is verified across all electrical specifications in the Rev. D datasheet, including core voltage regulation, memory timing, and peripheral interface compliance - making it suitable for under-dash automotive and industrial enclosure environments without forced cooling.
Does the ADSP-BF516KSWZ-4F4 include an Ethernet MAC?
No, the ADSP-BF516KSWZ-4F4 does not include an Ethernet MAC. Per Table 1 in the Rev. D datasheet, Ethernet MAC functionality is exclusive to ADSP-BF518 and ADSP-BF518F16 variants. The ADSP-BF516KSWZ-4F4 retains all other peripherals - including RSI, dual SPORTs, PPI, and 3-phase PWM - but relies on external PHY or bridge ICs for Ethernet connectivity.
How is the 16 Mbit SPI flash accessed on the ADSP-BF516KSWZ-4F4?
The 16 Mbit SPI flash in the ADSP-BF516KSWZ-4F4 is internally connected to SPI0 signals (PG11–PG14) and is not exposed to external pins. Access occurs exclusively through SPI0 peripheral registers during runtime - enabling secure boot and firmware updates without external probe points. Programming requires executing code on the ADSP-BF516KSWZ-4F4 itself; no external SPI programmer can access the flash die.
What debug interfaces are supported by the ADSP-BF516KSWZ-4F4?
The ADSP-BF516KSWZ-4F4 supports JTAG-based debug and emulation via its dedicated TCK/TMS/TDO/TDI pins, compliant with IEEE 1149.1. It enables full-core visibility, real-time trace, hardware breakpoints, and memory inspection using CrossCore Embedded Studio and ICE-1000/2000 emulators. No SWD or cJTAG is supported - JTAG is the sole standardized debug interface.
Is the ADSP-BF516KSWZ-4F4 pin-compatible with other ADSP-BF51x processors?
Yes, the ADSP-BF516KSWZ-4F4 shares identical 176-lead LQFP_EP pinout and ball assignment with ADSP-BF512, ADSP-BF514, ADSP-BF518, and their F16 variants - confirmed in the "176-Lead LQFP_EP Lead Assignment" section (Page 59) of the Rev. D datasheet. This allows drop-in replacement for functional upgrades or downgrades within the BF51x family, provided peripheral usage aligns with variant capabilities.
ADSP-BF516KSWZ-4F4 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:
- Ethernet, I2C, PPI, RSI, SPI, SPORT, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- FLASH (4Mbit)
- 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-BF516KSWZ-4F4 FAQ
1.How can I place an order for ADSP-BF516KSWZ-4F4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF516KSWZ-4F4 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-BF516KSWZ-4F4 reliable?
The price and inventory of ADSP-BF516KSWZ-4F4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF516KSWZ-4F4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF516KSWZ-4F4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF516KSWZ-4F4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF516KSWZ-4F4?
ADSP-BF516KSWZ-4F4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF516KSWZ-4F4 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-BF516KSWZ-4F4?
For technical support, including ADSP-BF516KSWZ-4F4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF516KSWZ-4F4 requirements.
6.How does Aetrix verify that ADSP-BF516KSWZ-4F4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF516KSWZ-4F4 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-BF516KSWZ-4F4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF516KSWZ-4F4?
All ADSP-BF516KSWZ-4F4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF516KSWZ-4F4, 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-BF516KSWZ-4F4 part is unused and in its original packaging.
Return procedure for ADSP-BF516KSWZ-4F4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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