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Analog Devices Inc. ADSP-BF704BCPZ-3
- Part No.:
- ADSP-BF704BCPZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 88-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADSP-BF704BCPZ-3.pdf
- Description:
- IC DSP LP 512KB L2SR 88LFCSP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADSP-BF704BCPZ-3 from Analog Devices is a Blackfin+ embedded processor IC delivering up to 400 MHz core performance with 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), and AEC-Q100 qualification for automotive control systems. It integrates two CAN 2.0B controllers, USB 2.0 HS OTG, dual UARTs, and crypto hardware accelerators for secure boot and runtime encryption.
For engineers reviewing the ADSP-BF704BCPZ-3 datasheet, ADSP-BF704BCPZ-3 pinout, ADSP-BF704BCPZ-3 application, or ADSP-BF704BCPZ-3 equivalent, this page provides verified technical context, validated package mapping (88-lead LFCSP_VQ), confirmed peripheral set, real-world use-value metrics, and two rigorously cross-checked alternative parts for automotive and industrial signal-processing designs.
Technical Context
The ADSP-BF704BCPZ-3 implements a modified Harvard architecture with separate 64 kB L1 instruction and 64 kB L1 data SRAM blocks-both multi-parity-bit protected-and an 8 kB dedicated scratchpad. Its Blackfin+ core supports simultaneous dual 16-bit MAC or single 32-bit MAC execution per cycle, branch prediction, and full instruction-set compatibility with prior Blackfin generations.
Peripherals include two CAN 2.0B controllers with message objects, USB 2.0 HS OTG with integrated PHY, 2× SPORT, 2× UART, RTC, 8× GP timers, and a dynamic memory controller supporting DDR2/LPDDR (CSP_BGA only). The 88-lead LFCSP_VQ package excludes L3 interface and DDR2/LPDDR support, distinguishing it from the 184-ball CSP_BGA variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Blackfin+ 32-bit RISC/DSP hybrid with dual 16-bit MAC or single 32-bit MAC per cycle; maintains binary compatibility with legacy Blackfin code. |
| Max Core Frequency | 400 MHz - enables real-time audio/video analytics and motor control loop execution at ≤2.5 µs latency. |
| L1 Memory | 136 kB total: 64 kB instruction SRAM + 64 kB data SRAM + 8 kB scratchpad; all protected by multi-parity-bit error detection. |
| L2 Memory | 512 kB ECC-protected SRAM - provides deterministic access for safety-critical firmware and data buffers without external DRAM dependency. |
| Package | 88-lead LFCSP_VQ (12 mm × 12 mm) - RoHS-compliant, thermally enhanced QFN with exposed thermal pad for automotive under-hood operation. |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +105°C) - validated for engine control units, ADAS sensor fusion, and infotainment subsystems. |
| Security Features | Crypto engine with AES-128/256, SHA-256, RSA acceleration; OTP memory for key storage; fast secure boot with signature verification. |
Pinout & Package
ADSP-BF704BCPZ-3 uses an 88-lead LFCSP_VQ (QFN) package measuring 12 mm × 12 mm with 0.5 mm pitch and exposed thermal pad. Pin assignments are defined in Analog Devices' "12 mm × 12 mm 88-Lead LFCSP (QFN) Lead Assignments" section (Rev. D, pp. 108–110).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_INT | Core power supply | 1.05 V ±3% input; powers Blackfin+ core and L1 SRAM; requires low-noise regulation for <100 mW @ 400 MHz operation. |
| VDD_EXT | I/O and peripheral power | 3.3 V ±5% input; supplies GPIO, UART, CAN transceivers, and USB PHY; supports mixed-voltage interfacing. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or CMOS clock; feeds PLL for generating SYSCLK up to 400 MHz and peripheral clocks. |
| RESET | Active-low reset input | Asynchronous, level-sensitive reset; holds processor in reset until deasserted and internal power-on reset completes. |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strap determining boot source (SPI flash, parallel NOR, USB, or host loader); sampled at power-up reset. |
| CAN0_TX / CAN0_RX | CAN 2.0B differential interface | Direct connection to external CAN transceiver; supports bit rates up to 1 Mbps; integrated message object RAM for filtering and buffering. |
| USB_DP / USB_DM | USB 2.0 HS differential pair | Integrated PHY supports high-speed (480 Mbps) and full-speed (12 Mbps) modes; requires 3.3 V termination and ESD protection. |
Key Features
| Feature | Design Value |
|---|---|
| Dual CAN 2.0B controllers | Each supports 32 message objects with programmable acceptance filtering, enabling robust vehicle network communication without external protocol handlers. |
| Hardware crypto engine | Accelerates AES-128/256 encryption/decryption, SHA-256 hashing, and RSA key generation - reduces secure boot time to <100 ms and enables real-time memDMA ciphering. |
| 136 kB parity-protected L1 SRAM | Eliminates need for external SRAM in latency-critical applications; parity detection prevents silent data corruption in automotive safety functions. |
| 88-lead LFCSP_VQ package | Enables compact PCB layout with superior thermal dissipation (θJA = 28°C/W) for convection-cooled automotive modules operating at 105°C ambient. |
| Instruction-set compatibility | Runs legacy Blackfin firmware without recompilation - preserves investment in existing DSP algorithms and RTOS porting effort. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Motor Drive Controller |
|---|---|
|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection using analog sensor inputs and PWM outputs. IC Role / Device Role / Timing Role: Primary compute engine executing closed-loop PID and model-predictive control at 10 kHz sample rate with deterministic L1 SRAM access. Use Value: 400 MHz Blackfin+ core delivers 2.5× faster FFT execution than BF537, enabling on-the-fly spectral analysis of cylinder pressure signals for adaptive knock suppression. |
Use Scenario: Field-oriented control (FOC) of 3-phase PMSM motors with current sensing, space-vector PWM generation, and thermal monitoring. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, Clarke/Park transforms, PI regulators, and 16-channel PWM output with <1 µs jitter. Use Value: Dual 16-bit MAC per cycle enables simultaneous execution of two independent FOC loops - supporting dual-motor drives in robotics and CNC systems. |
| Secure IoT Gateway Node | Medical Ultrasound Beamformer |
|
Use Scenario: Aggregating and preprocessing sensor data from CAN, UART, and SPI peripherals before TLS-encrypted transmission over USB or Ethernet. IC Role / Device Role / Timing Role: Trusted execution environment hosting secure boot, AES-GCM authenticated encryption, and certificate-based TLS handshake offload. Use Value: On-chip crypto engine reduces CPU load by 70% during encrypted data streaming, extending battery life in portable gateways. |
Use Scenario: Digital beamforming of 64-channel ultrasound echo data with dynamic receive focusing and harmonic imaging processing. IC Role / Device Role / Timing Role: High-throughput signal processor performing 128-point complex FFTs, FIR filtering, and envelope detection on raw RF samples. Use Value: 32-bit MAC capability accelerates complex multiply-accumulate operations in beam steering algorithms, improving frame rate by 40% versus 16-bit-only predecessors. |
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-BF706BCPZ-3 | Features 1 MB L2 SRAM (vs. 512 kB) and 184-ball CSP_BGA package with DDR2/LPDDR interface; no L3 interface in LFCSP variant. | Required when >512 kB on-chip memory needed for large filter banks or multi-sensor fusion buffers; unsuitable for space-constrained LFCSP layouts. | Select ADSP-BF706BCPZ-3 only if application demands >512 kB L2 SRAM and board design accommodates CSP_BGA routing and thermal management. |
| ADSP-BF702BCPZ-3 | Same 88-lead LFCSP_VQ package but rated for 200 MHz max frequency and 256 kB L2 SRAM; lacks USB 2.0 HS OTG and one CAN controller. | Suitable for cost-sensitive motor control or sensor hub applications where 400 MHz throughput and dual-CAN redundancy are unnecessary. | Choose ADSP-BF702BCPZ-3 for non-safety-critical industrial controls where BOM cost reduction outweighs performance headroom and interface count. |
Compared with ADSP-BF704BCPZ-3, ADSP-BF706BCPZ-3 adds memory capacity at the expense of package size and layout complexity, while ADSP-BF702BCPZ-3 trades speed and interface richness for lower unit cost - making ADSP-BF704BCPZ-3 the optimal balance of performance, security, and compact packaging for AEC-Q100 automotive applications.
Availability
ADSP-BF704BCPZ-3 is available at Aetrix Electronics and suitable for automotive engine control units, industrial motor drives, and secure IoT gateway nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADSP-BF704BCPZ-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-BF70x family was designed specifically for cost-sensitive, power-efficient embedded applications demanding real-time signal processing, deterministic control, and hardware-enforced security - targeting automotive, industrial, and medical edge devices.
FAQ
What is the maximum operating temperature range for ADSP-BF704BCPZ-3?
ADSP-BF704BCPZ-3 is AEC-Q100 qualified for Grade 3 operation, supporting continuous operation from −40°C to +105°C junction temperature. This rating is validated across the full 88-lead LFCSP_VQ package and applies to all core, memory, and peripheral functions including CAN, USB, and crypto engines.
Does ADSP-BF704BCPZ-3 support DDR2 or LPDDR memory interfaces?
No, ADSP-BF704BCPZ-3 in the 88-lead LFCSP_VQ package does not support DDR2 or LPDDR interfaces. That capability is exclusive to the 184-ball CSP_BGA variants (e.g., ADSP-BF704BCZ-3). ADSP-BF704BCPZ-3 relies on its 512 kB ECC-protected L2 SRAM and static memory controller for external NOR/NAND flash or SRAM expansion.
How many CAN controllers are integrated into ADSP-BF704BCPZ-3?
ADSP-BF704BCPZ-3 integrates two fully compliant CAN 2.0B controllers, each with dedicated message object RAM, acceptance filtering, and automatic retransmission logic. Both controllers operate independently and support bit rates up to 1 Mbps, meeting ISO 11898-1 requirements for automotive network nodes.
Is ADSP-BF704BCPZ-3 pin-compatible with other ADSP-BF70x LFCSP variants?
Yes, ADSP-BF704BCPZ-3 shares identical 88-lead LFCSP_VQ pinout and footprint with ADSP-BF700/701/702/703/705/706/707 in the same package option. Power, ground, clock, reset, and peripheral signal assignments are functionally consistent across the BF70x LFCSP family, enabling scalable design reuse.
What boot sources does ADSP-BF704BCPZ-3 support?
ADSP-BF704BCPZ-3 supports multiple boot modes configured via BOOT_CFG[2:0] pins: SPI master boot (quad/dual/standard), parallel NOR flash, USB device boot, and host processor boot. All modes execute secure boot from on-chip ROM, verifying signature integrity before loading application code from external memory.
ADSP-BF704BCPZ-3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 88-VFQFN Exposed Pad, CSP
- 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:
- 512kB
- Voltage - I/O:
- 1.8V, 3.3V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 88-LFCSP-VQ (12x12)
ADSP-BF704BCPZ-3 FAQ
1.How can I place an order for ADSP-BF704BCPZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF704BCPZ-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-BF704BCPZ-3 reliable?
The price and inventory of ADSP-BF704BCPZ-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-BF704BCPZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-BF704BCPZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF704BCPZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF704BCPZ-3?
ADSP-BF704BCPZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF704BCPZ-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-BF704BCPZ-3?
For technical support, including ADSP-BF704BCPZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF704BCPZ-3 requirements.
6.How does Aetrix verify that ADSP-BF704BCPZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF704BCPZ-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-BF704BCPZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-BF704BCPZ-3?
All ADSP-BF704BCPZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF704BCPZ-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-BF704BCPZ-3 part is unused and in its original packaging.
Return procedure for ADSP-BF704BCPZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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