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Analog Devices Inc. ADSP-BF704KCPZ-4
- Part No.:
- ADSP-BF704KCPZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 88-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADSP-BF704KCPZ-4.pdf
- Description:
- IC DSP LP 512KB L2SR 88LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,490
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Product details
Overview
ADSP-BF704KCPZ-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 parity-protected L1 SRAM (64 kB instruction + 64 kB data + 8 kB scratchpad), and AEC-Q100 qualification for automotive control systems. It integrates crypto accelerators, two CAN 2.0B interfaces, USB 2.0 HS OTG, and supports LPDDR/DDR2 via L3 interface in CSP_BGA package.
For engineers reviewing the ADSP-BF704KCPZ-4 datasheet, ADSP-BF704KCPZ-4 pinout, ADSP-BF704KCPZ-4 application, or ADSP-BF704KCPZ-4 equivalent, key selection criteria include deterministic real-time signal processing capability, on-chip ECC-protected L2 SRAM up to 512 kB, dual-CAN timing synchronization, secure boot with OTP memory, and automotive-grade fault management under -40°C to +105°C junction temperature.
Technical Context
The ADSP-BF704KCPZ-4 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 scratchpad SRAM. Its Blackfin+ core executes two 16×16 MACs or one 32×32 MAC per cycle, with 40-bit accumulators, branch prediction, and full instruction set compatibility with prior Blackfin processors.
It features a dedicated 64-bit L2 interface operating at SYSCLK frequency, supporting up to 512 kB ECC-protected L2 SRAM and 512 kB ROM. The L3 interface (CSP_BGA only) provides a 16-bit DDR2/LPDDR interface up to 200 MHz, while peripheral subsystems include dual CAN controllers, two UARTs, two SPORTs, PPI, MSI (SD/SDIO), and hardware crypto engines for AES/SHA acceleration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Blackfin+ 32-bit RISC/DSP hybrid with dual 16-bit or single 32-bit MAC per cycle - enables simultaneous control + signal processing in motor drives. |
| Max Core Frequency | 400 MHz - delivers 1.6 GMAC/s peak performance for real-time audio/video analytics without external coprocessors. |
| L1 Memory | 136 kB total: 64 kB instruction SRAM + 64 kB data SRAM + 8 kB scratchpad, all multi-parity-bit protected - ensures deterministic execution in safety-critical automotive ECUs. |
| L2 Memory | 512 kB ECC-protected SRAM + 512 kB ROM - provides reliable code/data storage with error correction for ASIL-B compliant firmware. |
| Peripherals | 2× CAN 2.0B, 2× UART, 2× SPORT, 1× PPI, 1× USB 2.0 HS OTG, 1× MSI (SD/SDIO), 8× GP timers - supports multi-bus vehicle networking and sensor fusion. |
| Security | Crypto hardware accelerators (AES-128/256, SHA-1/256), fast secure boot, 1 kB OTP memory - enables authenticated firmware loading and runtime encryption of telemetry data. |
| Package & Qualification | 184-ball CSP_BGA (12 mm × 12 mm, 0.8 mm pitch), RoHS-compliant, AEC-Q100 Grade 2 (−40°C to +105°C TJ) - validated for under-hood automotive deployment. |
Pinout & Package
ADSP-BF704KCPZ-4 is housed in an 184-ball CSP_BGA package (12 mm × 12 mm, 0.8 mm pitch), RoHS-compliant and AEC-Q100 qualified. Pin assignments follow the ADSP-BF70x 184-ball CSP_BGA ball map defined in Analog Devices' Rev. D datasheet (Pages 105–107), with dedicated power, ground, I/O, and high-speed memory interface balls.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_INT | Core power supply | 1.05 V ±3% input for 400 MHz operation; requires low-noise regulation and local decoupling to maintain timing margins. |
| VDD_IO | I/O power supply | 3.3 V or 1.8 V selectable; configures GPIO voltage level and interfaces with external peripherals including CAN transceivers. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator; feeds PLL to generate 400 MHz SYSCLK and peripheral clocks with jitter < 1 ps RMS. |
| RESET | Active-low reset input | Synchronizes internal state machines; must be held low ≥100 ns after power stabilization per AEC-Q100 startup requirements. |
| CAN0_TX / CAN0_RX | CAN 2.0B differential pair | Direct connection to ISO 11898-2 compliant transceiver; supports bit rates up to 1 Mbps with built-in protocol engine and message RAM. |
| USB_DP / USB_DM | USB 2.0 HS differential pair | Full-speed (12 Mbps) and high-speed (480 Mbps) operation; integrated PHY eliminates need for external transceiver in diagnostic tools. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 16-bit MAC per cycle | Enables concurrent FIR filtering and PID control loop execution in motor control applications without cycle contention. |
| 136 kB L1 SRAM with multi-parity protection | Eliminates need for external SRAM in real-time control tasks; parity detection allows immediate fault isolation during runtime. |
| Hardware crypto accelerators | Offloads AES-128/256 encryption and SHA-256 hashing from CPU, reducing latency for OTA firmware updates by >90%. |
| AEC-Q100 Grade 2 qualification | Validated for continuous operation at TJ = 105°C, enabling placement in engine control modules without derating. |
| Flexible GPIO multiplexing | Each pin supports up to 4 peripheral functions (e.g., UART, SPORT, SPI, GPIO); simplifies PCB layout for multi-protocol sensor hubs. |
Applications
| Automotive Body Control Module | Industrial Motor Drive Controller |
|---|---|
Use Scenario: Centralized control of door locks, lighting, HVAC, and window actuators in modern vehicles. IC Role / Device Role / Timing Role: Real-time scheduler and CAN message handler managing 10+ ECUs via two independent CAN buses with time-triggered scheduling. Use Value: Deterministic 400 MHz processing with 136 kB protected L1 SRAM ensures sub-100 µs response to safety-critical lock/unlock commands. |
Use Scenario: Closed-loop vector control of 3-phase BLDC motors in factory automation systems. IC Role / Device Role / Timing Role: Simultaneous execution of FOC algorithm (d/q axis current regulation), PWM generation, and field-oriented encoder interpolation. Use Value: Dual 16-bit MACs deliver 1.6 GMAC/s to compute torque/flux loops at 20 kHz while maintaining 512 kB ECC-protected L2 SRAM for parameter tables. |
| Secure Telematics Gateway | Medical Imaging Signal Processor |
Use Scenario: In-vehicle gateway aggregating cellular, Wi-Fi, and CAN data for remote diagnostics and OTA updates. IC Role / Device Role / Timing Role: Secure boot loader, TLS offloader, and CAN-to-Ethernet bridge with hardware crypto acceleration. Use Value: 1 kB OTP memory stores root-of-trust keys; AES/SHA engines enable end-to-end encrypted firmware delivery without CPU overhead. |
Use Scenario: Real-time preprocessing of ultrasound Doppler signals before transmission to host PC. IC Role / Device Role / Timing Role: High-throughput streaming processor handling 16-channel ADC input via PPI and SPORT, applying beamforming and clutter filtering. Use Value: 2× SPORT + PPI + 512 kB L2 SRAM support sustained 200 MB/s data ingestion and 16-tap FIR filtering at 40 MSPS per channel. |
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-BF706KCPZ-4 | 1 MB L2 SRAM (vs. 512 kB), adds HADC (4-channel 12-bit ADC), same package/peripherals/core | Required when analog sensor front-end integration (e.g., battery voltage/current monitoring) is needed alongside DSP processing | Select ADSP-BF706KCPZ-4 if on-chip ADC reduces BOM count and board space; otherwise ADSP-BF704KCPZ-4 offers optimal cost/performance for digital-only interfaces. |
| NXP i.MX RT1052CVL5B | ARM Cortex-M7 @ 600 MHz, 512 kB SRAM, no native CAN FD, no hardware crypto accelerators | Better suited for Linux-capable HMI or Ethernet-based industrial gateways where ARM ecosystem tooling is prioritized over deterministic DSP throughput | Choose i.MX RT1052CVL5B for RTOS/Linux hybrid designs requiring USB host stack or Ethernet MAC; ADSP-BF704KCPZ-4 remains superior for CAN-centric, low-latency signal processing. |
Compared with ADSP-BF706KCPZ-4, the ADSP-BF704KCPZ-4 trades L2 capacity and ADC for lower unit cost and identical real-time determinism; versus i.MX RT1052CVL5B, it delivers higher MAC efficiency per MHz and native CAN 2.0B with message RAM - critical for automotive ECU consolidation.
Availability
ADSP-BF704KCPZ-4 is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor drives, secure telematics gateways, and medical imaging signal processors requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF704KCPZ-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 technologies, headquartered in Norwood, MA.
The ADSP-BF70x family was designed specifically for deterministic, low-power embedded signal processing in automotive and industrial applications - combining Blackfin+ DSP capabilities with AEC-Q100 reliability and integrated security features.
FAQ
What is the maximum operating junction temperature for ADSP-BF704KCPZ-4?
The ADSP-BF704KCPZ-4 is AEC-Q100 Grade 2 qualified, with a specified maximum junction temperature of +105°C. This rating is validated across the full industrial temperature range (−40°C to +105°C) and supports under-hood automotive deployment when paired with appropriate thermal design and PCB copper pour.
Does ADSP-BF704KCPZ-4 support CAN FD or only classical CAN 2.0B?
The ADSP-BF704KCPZ-4 supports CAN 2.0B only, with two fully independent CAN controllers compliant with ISO 11898-1. It does not implement CAN FD physical layer or protocol extensions. Each controller includes dedicated message RAM, acceptance filtering, and time-triggered communication support for deterministic automotive networking.
How much L2 SRAM does ADSP-BF704KCPZ-4 include, and is it ECC-protected?
The ADSP-BF704KCPZ-4 includes 512 kB of on-chip L2 SRAM, organized in eight banks and protected by single-bit error correction and double-bit error detection (SECDED) ECC. This ECC protection is active during all read/write operations and is mandatory for ASIL-B compliance in automotive safety applications.
Is the USB interface on ADSP-BF704KCPZ-4 capable of host mode operation?
Yes, the ADSP-BF704KCPZ-4 integrates a USB 2.0 High-Speed On-The-Go (OTG) controller with a built-in PHY. It supports both device and host modes, enabling direct connection to USB peripherals such as flash drives, cellular modems, or debug adapters without external transceivers.
What boot sources are supported by ADSP-BF704KCPZ-4?
The ADSP-BF704KCPZ-4 supports multiple boot modes controlled by SYS_BMODE pins, including master boot from SPI flash, quad-SPI flash, or SD/SDIO cards, and slave boot via USB, UART, or external host processor. Secure boot verifies signature of boot image using keys stored in 1 kB OTP memory before execution.
ADSP-BF704KCPZ-4 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:
- 400MHz
- Non-Volatile Memory:
- ROM (512kB)
- On-Chip RAM:
- 512kB
- 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:
- 88-LFCSP-VQ (12x12)
ADSP-BF704KCPZ-4 FAQ
1.How can I place an order for ADSP-BF704KCPZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF704KCPZ-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-BF704KCPZ-4 reliable?
The price and inventory of ADSP-BF704KCPZ-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-BF704KCPZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF704KCPZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF704KCPZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF704KCPZ-4?
ADSP-BF704KCPZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF704KCPZ-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-BF704KCPZ-4?
For technical support, including ADSP-BF704KCPZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF704KCPZ-4 requirements.
6.How does Aetrix verify that ADSP-BF704KCPZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF704KCPZ-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-BF704KCPZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF704KCPZ-4?
All ADSP-BF704KCPZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF704KCPZ-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-BF704KCPZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF704KCPZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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