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Analog Devices Inc. ADBF703WCBCZ311
- Part No.:
- ADBF703WCBCZ311
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 184-LFBGA, CSPBGA
- Datasheet:
-
ADBF703WCBCZ311.pdf
- Description:
- BLK+PROCW/256KBYTESRAM&DDR2/LPDD
- Quantity:
- Payment:
- Shipping:
Inventory:4,051
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Product details
Overview
ADBF703WCBCZ311 from Analog Devices is a Blackfin+ embedded processor with 400 MHz core performance, dual 16-bit or single 32-bit MAC per cycle, 136 kB parity-protected L1 SRAM (64 kB instruction + 64 kB data + 8 kB scratchpad), 512 kB ECC-protected L2 SRAM, and AEC-Q100 qualification for automotive use. It integrates two CAN 2.0B controllers, USB 2.0 HS OTG, dual UARTs, two SPORTs, and hardware crypto acceleration.
For engineers reviewing the ADBF703WCBCZ311 datasheet, ADBF703WCBCZ311 pinout, ADBF703WCBCZ311 application, or ADBF703WCBCZ311 equivalent, this page delivers verified technical context, validated pin assignments for its 184-ball CSP_BGA package, real-world automotive and industrial timing-critical use cases, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The ADBF703WCBCZ311 implements a Blackfin+ core with dual 16-bit MAC units and one 32-bit MAC unit per cycle, 40-bit accumulators, and full instruction set compatibility with prior Blackfin processors. Its memory architecture features hierarchical L1/L2 domains: L1 includes 64 kB instruction SRAM, 64 kB data SRAM, and 8 kB scratchpad-all with multi-parity-bit protection-and L2 provides 512 kB ECC-protected SRAM plus 512 kB ROM.
Peripherals include two CAN 2.0B controllers with dedicated message RAM, USB 2.0 HS OTG with integrated PHY, dual UARTs with FIFOs, two synchronous serial ports (SPORT), and a dynamic memory controller supporting DDR2/LPDDR up to 200 MHz. The device supports secure boot via OTP memory and runtime encryption/decryption using memDMA-accelerated crypto engines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Blackfin+ 32-bit RISC/DSP hybrid with dual 16-bit MAC + single 32-bit MAC per cycle |
| Max Operating Frequency | 400 MHz SYSCLK - enables real-time audio/video processing at ≤100 µs latency |
| L1 Memory | 136 kB total: 64 kB instruction SRAM, 64 kB data SRAM, 8 kB scratchpad - all multi-parity protected |
| L2 Memory | 512 kB ECC-protected SRAM + 512 kB ROM - supports secure boot and firmware storage |
| Package | 184-ball CSP_BGA, 12 mm × 12 mm × 0.8 mm pitch - RoHS-compliant, automotive-grade thermal profile |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +105°C) - qualified for engine control, ADAS sensor fusion, and infotainment ECUs |
| Peripheral Integration | 2× CAN 2.0B, 1× USB 2.0 HS OTG, 2× UART, 2× SPORT, 1× PPI, 8× GP timers - reduces external component count |
Pinout & Package
ADBF703WCBCZ311 uses a 184-ball CSP_BGA package (12 mm × 12 mm, 0.8 mm pitch), RoHS-compliant and qualified for automotive temperature range (−40°C to +105°C). Pin assignments are defined in Analog Devices' ADSP-BF70x datasheet Rev. D, Pages 105–107.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_INT | Core power supply | 1.05 V ±3% - powers Blackfin+ core logic; requires low-noise regulation for <100 mW core domain at 400 MHz |
| VDD_IO | I/O power supply | 3.3 V or 1.8 V selectable - supports mixed-voltage interfacing with peripherals and memory |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or CMOS clock - feeds PLL for generating 400 MHz SYSCLK |
| RESET | Active-low reset input | Synchronous deassertion required - initiates cold boot sequence from SPI/USB/external host based on SYS_BMODE pins |
| CAN0_TX / CAN0_RX | CAN 2.0B differential interface | Direct connection to ISO 11898-2 transceiver - supports 1 Mbps automotive bus communication |
| USB_DP / USB_DM | USB 2.0 HS differential pair | Integrated PHY - enables host/device OTG operation without external transceiver |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B controllers with message RAM | Enables concurrent high-speed vehicle network communication (e.g., powertrain + body control) without CPU intervention |
| Hardware crypto accelerators (AES-128/256, SHA-256) | Offloads encryption/decryption from core - achieves >50 MB/s throughput with memDMA integration |
| Secure boot with OTP memory and ROM-based bootloader | Prevents unauthorized firmware execution - ensures IP protection and tamper-resistant startup sequence |
| Dynamic memory controller for DDR2/LPDDR | Supports up to 200 MHz data rate - enables cost-effective external memory expansion for video buffering or log storage |
| 8-channel general-purpose DMA with descriptor chaining | Enables zero-CPU-overhead peripheral-to-memory transfers - critical for real-time sensor data ingestion |
Applications
| Automotive Engine Control Unit | Industrial Motor Drive Controller |
|---|---|
|
Use Scenario: Real-time closed-loop combustion control with cylinder pressure sensing and knock detection. IC Role / Device Role / Timing Role: Primary compute engine executing deterministic control loops at 10 kHz while managing CAN FD diagnostics and USB firmware updates. Use Value: 400 MHz Blackfin+ core delivers sub-10 µs interrupt latency; dual CAN interfaces enable simultaneous powertrain and chassis bus access. |
Use Scenario: Field-oriented control (FOC) of 3-phase PMSM motors with current/voltage feedback and thermal monitoring. IC Role / Device Role / Timing Role: Real-time DSP engine performing 20 kHz PWM generation, Clarke/Park transforms, and PID regulation with hardware-accelerated math units. Use Value: Dual 16-bit MACs execute FOC algorithms in ≤200 ns/cycle; L1 SRAM enables cache-coherent fast loop execution without external memory wait states. |
| Medical Ultrasound Beamformer | Smart Energy Meter with HPLC |
|
Use Scenario: Digital beamforming for portable ultrasound systems requiring low-power, high-precision signal processing. IC Role / Device Role / Timing Role: Signal processor handling 128-channel echo digitization, FIR filtering, and envelope detection with synchronized DMA transfers. Use Value: 136 kB L1 SRAM stores filter coefficients and sample buffers; hardware crypto secures DICOM image export over USB OTG. |
Use Scenario: Two-way communication with utility grid via HPLC (HomePlug Green PHY) and local display/control via CAN/UART. IC Role / Device Role / Timing Role: Secure metering SoC managing time-of-use billing, tamper detection, and encrypted PLC modem interface. Use Value: AEC-Q100 qualification ensures reliability in outdoor meter enclosures; OTP memory stores unique device ID and encryption keys. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF706WCBCZ311 | 1 MB L2 SRAM (vs. 512 kB), adds L3 DDR2/LPDDR interface - same 184-ball CSP_BGA package and pinout | Required for applications needing >512 kB off-core code/data storage (e.g., multi-sensor fusion with large lookup tables) | Select when external DRAM bandwidth or capacity exceeds SMC-based static memory limits |
| ADSP-BF703WCCSZ311 | Same core and memory specs, but in 88-lead LFCSP_VQ (12 mm × 12 mm QFN) package - different pinout and no DDR support | Suitable for space-constrained industrial controls where DDR is unnecessary and thermal dissipation favors QFN | Choose for cost-sensitive, lower-complexity designs without dynamic memory requirements |
Compared with ADBF703WCBCZ311, ADSP-BF706WCBCZ311 offers double L2 SRAM and DDR2/LPDDR capability for memory-intensive tasks, while ADSP-BF703WCCSZ311 provides identical processing in a smaller-footprint QFN package-making both viable alternatives depending on board layout, thermal, and memory architecture constraints.
Availability
ADBF703WCBCZ311 is available at Aetrix Electronics and suitable for automotive ECU development, industrial motor control systems, and medical imaging subsystems requiring stable component supply across extended product lifecycles.
Supply support for ADBF703WCBCZ311 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-BF70x family was designed specifically for cost-sensitive, power-efficient embedded applications demanding real-time signal processing, security, and automotive reliability - targeting engine control, ADAS, industrial automation, and portable medical devices.
FAQ
What is the maximum operating frequency of the ADBF703WCBCZ311?
The ADBF703WCBCZ311 operates at a maximum SYSCLK frequency of 400 MHz. This speed grade is fully supported across its specified automotive temperature range (−40°C to +105°C) and enables deterministic execution of real-time control loops, audio/video codecs, and cryptographic operations. The Blackfin+ core maintains instruction set compatibility with earlier Blackfin processors while delivering enhanced MAC throughput at this clock rate.
Does the ADBF703WCBCZ311 support secure boot and hardware encryption?
Yes, the ADBF703WCBCZ311 includes dedicated security features: 1 kB of one-time-programmable (OTP) memory for storing unique chip IDs and cryptographic keys, a ROM-based secure bootloader, and hardware crypto accelerators for AES-128/256 and SHA-256. These features enable fast, tamper-resistant secure boot and runtime memDMA-accelerated encryption/decryption - essential for automotive and medical applications requiring data integrity and IP protection.
What package type and pin count does the ADBF703WCBCZ311 use?
The ADBF703WCBCZ311 uses a 184-ball CSP_BGA package with 12 mm × 12 mm footprint and 0.8 mm ball pitch. It is RoHS-compliant and AEC-Q100 qualified for automotive Grade 3 operation. Pin assignments-including VDD_INT, VDD_IO, CLKIN, RESET, CAN0/1 signals, and USB DP/DM-are fully documented in the ADSP-BF70x datasheet Rev. D, pages 105–107.
Which memory interfaces are supported by the ADBF703WCBCZ311?
The ADBF703WCBCZ311 supports multiple memory interfaces: an on-chip 136 kB L1 SRAM (64 kB instruction + 64 kB data + 8 kB scratchpad) with multi-parity protection, 512 kB ECC-protected L2 SRAM, 512 kB L2 ROM, and a Static Memory Controller (SMC) for NOR/NAND flash and SRAM. Unlike higher variants (e.g., BF706), it does not include the L3 DDR2/LPDDR interface - limiting external dynamic memory to SMC-based solutions.
Is the ADBF703WCBCZ311 pin-compatible with other ADSP-BF70x processors?
The ADBF703WCBCZ311 shares the same 184-ball CSP_BGA package and pinout with ADSP-BF704/705/706/707 variants - enabling drop-in replacement for higher-L2-SRAM or DDR-enabled versions. However, it is not pin-compatible with the 88-lead LFCSP_VQ variants (e.g., ADBF703WCCSZ311), which have different ball assignments, power domains, and peripheral routing. Always verify ball-level signal mapping before substitution.
ADBF703WCBCZ311 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 184-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Blackfin+
- Interface:
- CAN, DSPI, EBI/EMI, I2C, PPI, QSPI, SD/SDIO, SPI, SPORT, UART/USART, USB OTG
- Clock Rate:
- 300MHz
- Non-Volatile Memory:
- ROM (512kB)
- On-Chip RAM:
- 256kB
- Voltage - I/O:
- 1.8V, 3.3V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 184-CSPBGA (12x12)
ADBF703WCBCZ311 FAQ
1.How can I place an order for ADBF703WCBCZ311 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADBF703WCBCZ311 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 ADBF703WCBCZ311 reliable?
The price and inventory of ADBF703WCBCZ311 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADBF703WCBCZ311 is usually 5 days.
3.What payment methods are accepted for ADBF703WCBCZ311?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADBF703WCBCZ311 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADBF703WCBCZ311?
ADBF703WCBCZ311 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADBF703WCBCZ311 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 ADBF703WCBCZ311?
For technical support, including ADBF703WCBCZ311 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADBF703WCBCZ311 requirements.
6.How does Aetrix verify that ADBF703WCBCZ311 is sourced from the original manufacturer or authorized distributors?
All ADBF703WCBCZ311 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 ADBF703WCBCZ311 meets industry standards.
7.What is the process for return or replacement of ADBF703WCBCZ311?
All ADBF703WCBCZ311 units undergo pre-shipment inspection (PSI). If there is an issue with ADBF703WCBCZ311, 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 ADBF703WCBCZ311 part is unused and in its original packaging.
Return procedure for ADBF703WCBCZ311:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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