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Analog Devices Inc. ADSP-BF514BBCZ-3
- Part No.:
- ADSP-BF514BBCZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 168-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF514BBCZ-3.pdf
- Description:
- IC DSP 16/32B 300MHZ 168CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,821
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Product details
Overview
ADSP-BF514BBCZ-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 variant per Table 1. It targets industrial motor control and real-time audio processing systems requiring deterministic low-latency execution.
For engineers reviewing the ADSP-BF514BBCZ-3 datasheet, ADSP-BF514BBCZ-3 pinout, ADSP-BF514BBCZ-3 application, or ADSP-BF514BBCZ-3 equivalent, key selection criteria include its 176-lead LQFP_EP package with exposed pad, absence of integrated Ethernet MAC, presence of RSI/SDIO, dual SPORTs for I²S, and 3-phase PWM unit for motor drive control.
Technical Context
The ADSP-BF514BBCZ-3 implements the Blackfin Micro Signal Architecture (MSA) combining RISC-like programmability with SIMD multimedia acceleration and dual-MAC signal processing. Its core executes 16-/32-bit instructions with zero-overhead looping, hardware branch prediction, and full interlocking to eliminate pipeline stalls on data dependencies.
Memory architecture uses a unified 32-bit address space with hierarchical L1 SRAM (configurable as cache or scratchpad), 32 KB boot ROM, and external bus interface supporting SDRAM and asynchronous memories. Peripherals are connected via dedicated high-bandwidth buses including EBIU, PPI, and DMA-controlled serial interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum operating frequency - enables real-time execution of complex audio codecs or motor control algorithms within strict 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 applications. |
| Flash Integration | 16 Mbit SPI flash integrated inside package - provides secure, non-removable boot image storage; inaccessible externally for tamper resistance. |
| OTP Memory | 64 Kbit one-time programmable memory - stores immutable device identifiers, cryptographic keys, or calibration data without external EEPROM dependency. |
| PWM Unit | 3-phase 16-bit center-based PWM - directly drives 3-phase BLDC or PMSM motors with precise timing and dead-time control. |
| Serial Interfaces | 2 dual-channel SPORTs (8 stereo I²S channels), 2 SPI, 2 UART with IrDA, TWI - supports multi-sensor audio acquisition and control in compact industrial nodes. |
| Package | 176-lead LQFP_EP with exposed thermal pad - provides mechanical stability and thermal dissipation for sustained 400 MHz operation in convection-cooled enclosures. |
Pinout & Package
ADSP-BF514BBCZ-3 is housed in a 176-lead LQFP_EP (exposed pad) package measuring 24 mm × 24 mm × 1.6 mm (max height), compliant with JEDEC MO-207AB. Thermal pad must be soldered to PCB ground plane for reliable power dissipation at full speed.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply voltage | 1.2 V ±3% input for processor core - requires low-noise regulation; decoupling critical for stable 400 MHz operation. |
| VDDEXT | I/O supply voltage | 3.3 V ±5% input for peripherals and external bus - defines logic levels for GPIO, SPORT, SPI, UART, and EBIU signals. |
| RESET | Active-low reset input | Asynchronous system reset; held low for ≥100 ns after power stabilization to initialize all internal registers and state machines. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator; 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 - not accessible externally; used exclusively for boot and firmware updates via processor-executed code. |
| PH0–PH7 | GPIO / peripheral multiplexing | Configurable as general-purpose I/O or alternate functions (e.g., UART1_TX/RX, SPI1_MOSI/MISO) - enables flexible board-level signal routing. |
Key Features
| Feature | Design Value |
|---|---|
| Lockbox Secure Technology | Hardware-enforced code/data protection enabling secure boot, encrypted firmware updates, and runtime integrity checks without software overhead. |
| Dynamic Power Management | Voltage/frequency scaling (DVFS) support allows real-time adjustment of VDDINT and clock rate - reduces active power by up to 40% during low-load intervals. |
| RSI Controller | Direct MMC/SD/SDIO/CE-ATA interface - eliminates external card interface IC, enabling local data logging or field-upgradable firmware storage. |
| Parallel Peripheral Interface (PPI) | ITU-R BT.656-compliant video capture port - supports 8-/10-/16-bit YUV/RGB streaming from image sensors without frame buffer bottlenecks. |
| Memory Management Unit (MMU) | Provides per-task memory protection and privilege separation - essential for running RTOS-based applications with multiple concurrent processes. |
Applications
| Industrial Motor Control | Real-Time Audio Processing |
|---|---|
|
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers or industrial pumps using sensorless FOC algorithms. IC Role / Device Role / Timing Role: Primary real-time controller executing PWM generation, current sampling, and PID loop computation at ≤10 μs latency. Use Value: Integrated 3-phase PWM unit and 400 MHz deterministic execution eliminate need for external gate drivers or FPGA co-processors. |
Use Scenario: Multi-channel audio codec with echo cancellation and noise suppression for VoIP endpoints or conferencing systems. IC Role / Device Role / Timing Role: Central DSP engine handling simultaneous I²S input/output streams, FIR filtering, and adaptive algorithm execution. Use Value: Dual SPORTs supporting 8 stereo I²S channels and dual MACs enable concurrent 24-bit/96 kHz processing across 4+ audio channels. |
| Secure Embedded Gateway | Field-Upgradeable Industrial Sensor Node |
|
Use Scenario: Protocol translation gateway connecting Modbus RTU field devices to Ethernet/IP networks in factory automation. IC Role / Device Role / Timing Role: Application processor managing dual-interface bridging, TLS encryption, and real-time packet scheduling. Use Value: On-chip 16 Mbit SPI flash stores signed firmware images; Lockbox prevents unauthorized code injection during remote updates. |
Use Scenario: Wireless vibration sensor node performing FFT-based spectral analysis and transmitting alerts via LoRaWAN. IC Role / Device Role / Timing Role: Standalone edge analytics processor acquiring ADC data, executing time-frequency transforms, and managing secure OTA updates. Use Value: 64 Kbit OTP stores unique device identity and calibration coefficients; RSI interface enables local SD card firmware backup without host PC. |
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-BF516BBCZ-3 | Includes IEEE 802.3 10/100 Ethernet MAC; same core, memory, and peripherals otherwise. | Required when native Ethernet connectivity is needed without external PHY or switch IC. | Select ADSP-BF516BBCZ-3 only if Ethernet MAC functionality is mandatory; ADSP-BF514BBCZ-3 reduces BOM cost and layout complexity where Ethernet is handled externally. |
| ADSP-BF518BBCZ-3 | Adds IEEE 1588 precision time protocol support and Ethernet MAC; identical package and pinout. | Suitable for time-synchronized distributed control systems (e.g., synchronized motor drives or power grid monitoring). | ADSP-BF518BBCZ-3 is over-specified for non-time-critical applications; ADSP-BF514BBCZ-3 offers optimal cost/performance balance for standalone DSP tasks. |
Compared with ADSP-BF516BBCZ-3 and ADSP-BF518BBCZ-3, the ADSP-BF514BBCZ-3 delivers identical compute performance, memory, and peripheral set except for Ethernet MAC omission - reducing thermal load, PCB layer count, and system-level certification effort while retaining full software compatibility across the BF51x family.
Availability
ADSP-BF514BBCZ-3 is available at Aetrix Electronics and suitable for industrial motor control, real-time audio processing, secure embedded gateways, and field-upgradeable sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF514BBCZ-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 leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The ADSP-BF51x product line delivers integrated Blackfin processors optimized for deterministic real-time embedded applications in industrial automation, audio, and motor control - combining DSP compute, MCU programmability, and system-level peripherals in single-chip solutions.
FAQ
Does ADSP-BF514BBCZ-3 include an integrated Ethernet MAC?
No, ADSP-BF514BBCZ-3 does not include an integrated Ethernet MAC. According to Table 1 in the Rev. D datasheet, Ethernet MAC functionality is present only in ADSP-BF516 and ADSP-BF518 variants. The ADSP-BF514BBCZ-3 retains all other peripherals - including RSI, dual SPORTs, SPI, UART, and 3-phase PWM - making it ideal for applications where Ethernet is implemented externally via PHY or switch IC.
What is the function of the 16 Mbit SPI flash integrated into ADSP-BF514BBCZ-3?
The 16 Mbit SPI flash inside ADSP-BF514BBCZ-3 serves as secure, non-removable boot memory. It is internally connected to SPI0 and inaccessible via external pins - preventing physical probing or unauthorized reprogramming. Firmware updates are performed by executing code on the ADSP-BF514BBCZ-3 itself, leveraging Lockbox security to verify signature integrity before writing.
Is ADSP-BF514BBCZ-3 pin-compatible with ADSP-BF516BBCZ-3?
Yes, ADSP-BF514BBCZ-3 and ADSP-BF516BBCZ-3 share identical 176-lead LQFP_EP packaging, pin assignments, and mechanical dimensions. They differ only in internal peripheral configuration - specifically, ADSP-BF516BBCZ-3 adds an Ethernet MAC not present in ADSP-BF514BBCZ-3 - allowing drop-in replacement where Ethernet is unused or implemented externally.
What voltage supplies are required for ADSP-BF514BBCZ-3 operation?
ADSP-BF514BBCZ-3 requires two independent supplies: VDDINT = 1.2 V ±3% for the core and VDDEXT = 3.3 V ±5% for I/O and peripherals. These must be sequenced such that VDDINT reaches regulation before VDDEXT, and both must remain stable during reset assertion. Decoupling capacitors per Analog Devices' layout guidelines are mandatory for stable 400 MHz operation.
How does the OTP memory in ADSP-BF514BBCZ-3 support device security?
The 64 Kbit OTP memory in ADSP-BF514BBCZ-3 stores immutable data such as cryptographic keys, device serial numbers, and calibration constants. Once programmed, contents cannot be erased or rewritten - ensuring root-of-trust for secure boot, firmware authentication, and anti-counterfeiting. Access is restricted to supervisor mode, and pages can be individually write-protected during programming.
ADSP-BF514BBCZ-3 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:
- 300MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 116kB
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 168-CSPBGA (12x12)
ADSP-BF514BBCZ-3 FAQ
1.How can I place an order for ADSP-BF514BBCZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF514BBCZ-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-BF514BBCZ-3 reliable?
The price and inventory of ADSP-BF514BBCZ-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-BF514BBCZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF514BBCZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF514BBCZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF514BBCZ-3?
ADSP-BF514BBCZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF514BBCZ-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-BF514BBCZ-3?
For technical support, including ADSP-BF514BBCZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF514BBCZ-3 requirements.
6.How does Aetrix verify that ADSP-BF514BBCZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF514BBCZ-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-BF514BBCZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF514BBCZ-3?
All ADSP-BF514BBCZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF514BBCZ-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-BF514BBCZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF514BBCZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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