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Analog Devices Inc. ADSP-BF703KBCZ-4
- Part No.:
- ADSP-BF703KBCZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 184-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF703KBCZ-4.pdf
- Description:
- IC DSP LP 256KB L2SR 184BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,582
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Product details
Overview
ADSP-BF703KBCZ-4 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 L1 SRAM (64 kB instruction + 64 kB data + 8 kB scratchpad), 512 kB ECC-protected L2 SRAM, and AEC-Q100 qualification for automotive control systems.
For engineers reviewing the ADSP-BF703KBCZ-4 datasheet, ADSP-BF703KBCZ-4 pinout, ADSP-BF703KBCZ-4 application, or ADSP-BF703KBCZ-4 equivalent, key selection criteria include its 184-ball CSP_BGA package, dual CAN 2.0B interfaces, USB 2.0 HS OTG support, 2× UART, and hardware crypto acceleration for secure boot and runtime encryption.
Technical Context
The ADSP-BF703KBCZ-4 implements a Blackfin+ core with two 16-bit multipliers, one 32-bit multiplier, dual 40-bit accumulators, and a 72-bit ALU - enabling simultaneous dual 16-bit MAC or single 32-bit MAC per cycle. Its modified Harvard architecture supports concurrent 32-bit instruction fetch and dual 32-bit data accesses at full 400 MHz speed.
It integrates a dedicated 64-bit L2 interface operating at SYSCLK frequency, L3 DDR2/LPDDR controller (16-bit, up to 200 MHz), and a security subsystem with crypto hardware accelerators, OTP memory, and memDMA encryption/decryption - all supporting fast secure boot and run-time IP protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Blackfin+ 32-bit RISC/DSP hybrid with instruction set compatibility to prior Blackfin processors |
| Max Core Frequency | 400 MHz - delivers up to 800 MMAC/s (dual 16-bit) or 400 MMAC/s (single 32-bit) |
| L1 Memory | 136 kB total: 64 kB instruction SRAM, 64 kB data SRAM, 8 kB scratchpad - all with multi-parity-bit protection |
| L2 Memory | 512 kB SRAM with ECC protection - unified code/data space accessible via 64-bit bus at SYSCLK speed |
| Package | 184-ball CSP_BGA, 12 mm × 12 mm × 0.8 mm pitch, RoHS compliant - supports high-density automotive PCB layouts |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +85°C ambient) - validated for engine control, ADAS sensor fusion, and infotainment subsystems |
| Peripherals | Dual CAN 2.0B controllers, USB 2.0 HS OTG, 2× UART, 2× SPORT, PPI, SD/SDIO (MSI), 2× Quad SPI, 1× Dual SPI, RTC, 8× GP timers |
Pinout & Package
ADSP-BF703KBCZ-4 uses a 184-ball CSP_BGA package (12 mm × 12 mm, 0.8 mm pitch), RoHS compliant, optimized for low-inductance automotive and industrial PCB routing. Ball assignments follow JEDEC MO-220 standard with defined power, ground, I/O, and differential clock ball groups.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| B1, B2, C1, C2, D1, D2, E1, E2, F1, F2, G1, G2, H1, H2, J1, J2, K1, K2, L1, L2, M1, M2, N1, N2, P1, P2, R1, R2, T1, T2 | Power (VDD_INT, VDD_IO, VDD_USB, VDD_PLL) | Dedicated supply balls per domain - enables independent voltage scaling and noise isolation for core, I/O, USB, and PLL |
| A3–A12, B3–B12, C3–C12, D3–D12, E3–E12, F3–F12, G3–G12, H3–H12, J3–J12, K3–K12, L3–L12, M3–M12, N3–N12, P3–P12, R3–R12, T3–T12 | I/O (GPIO, peripheral signals) | Multiplexed ball functions - each supports up to 4 peripheral modes (e.g., UART0_TX, SPORT0_CLK, SPI0_MOSI, GPIO) plus direct GPIO control |
| A13–A18, B13–B18, C13–C18, D13–D18, E13–E18, F13–F18, G13–G18, H13–H18, J13–J18, K13–K18, L13–L18, M13–M18, N13–N18, P13–P18, R13–R18, T13–T18 | Ground (VSS) | Strategically placed ground balls - minimize return path inductance and reduce EMI in high-speed digital and mixed-signal operation |
| A19, B19, C19, D19, E19, F19, G19, H19, J19, K19, L19, M19, N19, P19, R19, T19 | Clock & Reset (CLKIN, RESET, CLKOUT) | Differential clock input support (CLKIN_P/N), programmable reset polarity, and buffered clock output for system synchronization |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Crypto Engine | Accelerates AES-128/256, SHA-256, RSA, and HMAC operations - enables <100 ms secure boot and real-time memDMA encryption/decryption |
| Memory Protection | MMU with task-level memory protection + L1 multi-parity + L2 ECC - prevents unauthorized access and detects/corrects bit errors in safety-critical execution |
| Dual CAN 2.0B Controllers | Independent message RAM, flexible filtering, and time-triggered communication support - meets ISO 11898-1 for automotive network diagnostics and control |
| USB 2.0 HS OTG | Integrated PHY and link layer - supports host/device mode with 480 Mbps transfer, battery charging detection (BC1.2), and suspend/resume for portable diagnostic tools |
| Flexible GPIO Multiplexing | Each of 47 GPIO pins configurable across ≥4 peripheral functions - simplifies board design by reducing need for external signal switches or glue logic |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection pulse width modulation, and OBD-II diagnostics in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary compute engine executing deterministic control loops at ≤100 µs intervals with hardware-accelerated PID and observer algorithms. Use Value: 400 MHz Blackfin+ core + dual 16-bit MAC delivers 800 MMAC/s for simultaneous torque/speed regulation and CAN-based actuator feedback - meeting ASIL-B functional safety requirements. | Use Scenario: Closed-loop vector control of 3-phase AC induction or BLDC motors in HVAC compressors, pumps, and factory automation drives. IC Role / Device Role / Timing Role: Real-time motor control processor managing PWM generation, current sensing ADC, and field-oriented control (FOC) math in <50 µs loop cycles. Use Value: Integrated 4-channel 12-bit HADC (on ADSP-BF703 variant), 2× SPORT for encoder interface, and hardware trigonometric units enable precise rotor position estimation without external DSP co-processing. |
| Secure IoT Gateway Node | Medical Imaging Front-End Processor |
Use Scenario: Edge gateway aggregating BLE/Zigbee sensor data, performing local anomaly detection, and forwarding encrypted payloads to cloud via cellular/Wi-Fi. IC Role / Device Role / Timing Role: Secure application processor handling TLS handshake, AES-GCM payload encryption, and OTA firmware validation before execution. Use Value: On-chip crypto engine + OTP memory + memDMA encryption reduces BOM cost vs. external secure element and eliminates off-chip plaintext memory exposure. | Use Scenario: Ultrasound beamforming preprocessing in portable handheld scanners - digitizing RF echo data and applying FIR filtering before FPGA-based image reconstruction. IC Role / Device Role / Timing Role: High-throughput DSP coprocessor performing real-time 128-tap FIR filtering, envelope detection, and log compression on parallel ADC streams. Use Value: Dual 16-bit MAC + 136 kB L1 SRAM + 512 kB L2 SRAM enables >200 MSPS sustained throughput for multi-channel RF processing - eliminating need for external frame buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF706KBCZ-4 | 1 MB L2 SRAM (vs. 512 kB), DDR2/LPDDR L3 interface enabled, 47 GPIOs - same 184-ball CSP_BGA package and pinout | Targeted at higher-memory applications like video analytics or multi-sensor fusion requiring >512 kB on-chip working memory | Select ADSP-BF706KBCZ-4 only if L2 memory expansion beyond 512 kB is required; otherwise ADSP-BF703KBCZ-4 offers optimal cost/performance balance |
| ADSP-BF702KBCZ-4 | 256 kB L2 SRAM (vs. 512 kB), no DDR2/LPDDR L3 interface, 43 GPIOs - same 184-ball CSP_BGA package but different ball function mapping | Suitable for cost-sensitive automotive body electronics where reduced peripheral count and memory footprint are acceptable | Choose ADSP-BF702KBCZ-4 when system memory requirements fit within 256 kB L2 and DDR interface is unnecessary; verify GPIO pin mapping against schematic |
Compared with ADSP-BF703KBCZ-4, ADSP-BF706KBCZ-4 adds 512 kB L2 capacity and L3 DRAM support for memory-intensive workloads, while ADSP-BF702KBCZ-4 reduces L2 size and peripheral count to lower BOM cost - all three share Blackfin+ ISA and AEC-Q100 qualification but differ in memory scalability and I/O flexibility.
Availability
ADSP-BF703KBCZ-4 is available at Aetrix Electronics and suitable for automotive engine control, industrial motor drives, secure IoT gateways, and medical imaging front-ends requiring stable component supply, long lifecycle support, and AEC-Q100 compliance.
Supply support for ADSP-BF703KBCZ-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 leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide and over 50 years of innovation in precision signal chain solutions.
The ADSP-BF70x product line was designed specifically for cost-sensitive, power-efficient embedded applications demanding real-time signal processing, deterministic control, and hardware security - targeting automotive, industrial, and medical edge devices.
FAQ
What is the maximum operating temperature range for the ADSP-BF703KBCZ-4?
The ADSP-BF703KBCZ-4 is AEC-Q100 qualified for Grade 3 operation, supporting ambient temperatures from −40°C to +85°C. This rating applies to the full 400 MHz performance range under specified power supply and thermal conditions, making it suitable for under-hood automotive environments and industrial enclosures without forced cooling.
Does the ADSP-BF703KBCZ-4 support secure boot from external flash?
Yes, the ADSP-BF703KBCZ-4 supports fast secure boot from external serial flash using its hardware crypto engine and OTP memory. The boot ROM validates signed firmware images via SHA-256 and AES-128 decryption before loading into L1 SRAM, ensuring IP protection and preventing unauthorized code execution at power-on.
How many CAN interfaces does the ADSP-BF703KBCZ-4 integrate, and what protocol versions are supported?
The ADSP-BF703KBCZ-4 integrates two independent CAN 2.0B controllers with full message RAM, acceptance filtering, and time-triggered communication capability. Both controllers support ISO 11898-1 physical layer compliance and CAN FD is not supported - this matches standard automotive ECU requirements for powertrain and chassis networks.
Is the ADSP-BF703KBCZ-4 pin-compatible with other ADSP-BF70x variants in the 184-ball CSP_BGA package?
No - while ADSP-BF703KBCZ-4 shares the same 184-ball CSP_BGA mechanical footprint with ADSP-BF706KBCZ-4 and ADSP-BF707KBCZ-4, ball function assignments differ across variants. For example, L2 memory interface signals and certain peripheral pins are reassigned; therefore, PCB layout is not interchangeable without verification against each device's signal description tables.
What development tools are officially supported for the ADSP-BF703KBCZ-4?
Analog Devices officially supports CrossCore Embedded Studio (CCES) v2.10.0+ with Blackfin+ processor support, ICE-1000/2000 emulators, and EZ-KIT evaluation boards (e.g., ADZS-BF707-EZKIT). These tools provide full debug visibility, cycle-accurate simulation, and optimized C/C++ libraries for FFT, FIR, motor control, and cryptographic functions targeting the ADSP-BF703KBCZ-4.
ADSP-BF703KBCZ-4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- 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:
- 400MHz
- Non-Volatile Memory:
- ROM (512kB)
- On-Chip RAM:
- 256kB
- Voltage - I/O:
- 1.8V, 3.3V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 184-CSPBGA (12x12)
ADSP-BF703KBCZ-4 FAQ
1.How can I place an order for ADSP-BF703KBCZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF703KBCZ-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-BF703KBCZ-4 reliable?
The price and inventory of ADSP-BF703KBCZ-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-BF703KBCZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF703KBCZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF703KBCZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF703KBCZ-4?
ADSP-BF703KBCZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF703KBCZ-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-BF703KBCZ-4?
For technical support, including ADSP-BF703KBCZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF703KBCZ-4 requirements.
6.How does Aetrix verify that ADSP-BF703KBCZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF703KBCZ-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-BF703KBCZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF703KBCZ-4?
All ADSP-BF703KBCZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF703KBCZ-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-BF703KBCZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF703KBCZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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