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Analog Devices Inc. ADSP-BF526KBCZ-4
- Part No.:
- ADSP-BF526KBCZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 289-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF526KBCZ-4.pdf
- Description:
- IC DSP CTRLR 400MHZ 289CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,489
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Product details
Overview
ADSP-BF526KBCZ-4 from Analog Devices is a 400 MHz Blackfin embedded processor with dual 16-bit MACs, 132 KB on-chip memory (48 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad, 32 KB boot ROM), and integrated USB 2.0 OTG, SPI, TWI, UART, PPI, and NAND flash controller - deployed in industrial video surveillance systems for real-time video encoding and network streaming.
For engineers reviewing the ADSP-BF526KBCZ-4 datasheet, ADSP-BF526KBCZ-4 pinout, ADSP-BF526KBCZ-4 application, or ADSP-BF526KBCZ-4 equivalent, key selection criteria include its 400 MHz core speed, 289-ball CSP_BGA package, 48 GPIOs with programmable hysteresis, IEEE 802.3-compliant Ethernet MAC absence, and lack of on-chip voltage regulator - distinguishing it from BF523/BF525/BF527 variants.
Technical Context
The ADSP-BF526KBCZ-4 implements the Blackfin MSA architecture with dual-MAC signal processing engine, RISC-like instruction set, and SIMD multimedia acceleration - enabling simultaneous 16-bit × 16-bit multiply-accumulate operations per cycle. Its hierarchical memory includes L1 instruction/data SRAM with configurable cache, 4 KB scratchpad, and 32 KB boot ROM.
Peripherals are connected via high-bandwidth buses up to 133 MHz, supporting glueless SDRAM and asynchronous memory interfaces. It features 12 peripheral DMAs (2 Ethernet-mapped), 2 full-duplex SPORTs, 8 PWM-capable timers, RTC, watchdog, and NAND flash controller with hardware ECC - but excludes internal voltage regulator and Ethernet MAC per Table 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum system clock - enables real-time video analytics at 720p30 with low-latency interrupt response. |
| On-Chip Memory | 132 KB total: 48 KB L1 instruction SRAM, 32 KB L1 data SRAM, 4 KB scratchpad, 32 KB boot ROM - supports zero-wait-state execution and fast context switching. |
| Package | 289-ball CSP_BGA (12 mm × 12 mm, 0.8 mm pitch) - provides high I/O density and thermal performance for compact embedded designs. |
| USB Interface | USB 2.0 high-speed OTG with integrated PHY - allows direct host/peripheral role switching without external transceiver. |
| Memory Controller | Glueless SDRAM + 4-bank asynchronous memory support - eliminates address latching logic and reduces BOM cost for external storage expansion. |
| NAND Flash Support | Hardware ECC, page/block erase, DMA-accelerated transfers - enables reliable firmware storage and media file handling in unmanaged NAND environments. |
| GPIOs | 48 general-purpose I/Os with programmable hysteresis - supports robust interfacing to sensors, displays, and industrial control signals in noisy environments. |
Pinout & Package
ADSP-BF526KBCZ-4 uses a 289-ball CSP_BGA package (12 mm × 12 mm, 0.8 mm pitch) with ball pitch compatible with standard PCB assembly processes. Thermal pad exposed on underside for enhanced heat dissipation in continuous operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core power supply | 1.2 V ±3% input - powers processor core; requires low-noise regulation due to dynamic current demands. |
| VDDIO | I/O power supply | 3.3 V ±5% input - supplies all digital I/O banks; supports mixed-voltage interfacing with external peripherals. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator - feeds on-chip PLL for generating 400 MHz core clock and peripheral clocks. |
| RESET | Active-low reset input | Synchronous deassertion required; initiates boot sequence from configured source (SPI, flash, or host). |
| BOOT_CFG[2:0] | Boot mode configuration | Three-pin strapping to select boot source: SPI flash, parallel flash, host interface, or OTP - determines initial code fetch path. |
| USB_DP/DM | USB differential pair | Integrated PHY eliminates need for external transceiver; supports high-speed (480 Mbps) and full-speed modes. |
| PPI[15:0] | Parallel Peripheral Interface | 16-bit bidirectional bus supporting ITU-R BT.656 video format - enables direct connection to CMOS image sensors or video encoders. |
Key Features
| Feature | Design Value |
|---|---|
| Dual 16-bit MAC + 40-bit ALUs | Enables concurrent 720p H.264 motion estimation and audio codec execution within single core cycle budget. |
| Lockbox Secure Technology | Provides tamper-resistant code security via OTP memory and cryptographic key storage - meets industrial firmware integrity requirements. |
| Memory Management Unit (MMU) | Enforces memory protection between tasks and prevents unauthorized access to system registers - essential for RTOS-based multi-threaded applications. |
| Flexible Boot Options | Supports SPI flash, parallel flash, host devices (SPI/TWI/UART), and OTP - simplifies field firmware updates and secure provisioning workflows. |
| Real-Time Clock + Watchdog | Independent RTC with battery backup and windowed watchdog timer - ensures time-stamped logging and fail-safe recovery in unattended deployments. |
Applications
| Video Surveillance Encoder | Industrial HMI Controller |
|---|---|
Use Scenario: Embedded DVR/NVR unit capturing and compressing analog camera feeds into H.264 streams for IP transmission. IC Role / Device Role / Timing Role: Primary application processor executing video encode pipeline, network stack, and UI rendering - synchronized via PPI input and USB OTG for local storage. Use Value: 400 MHz core + dual MAC delivers real-time 720p30 encoding; NAND controller with ECC ensures reliable firmware persistence across power cycles. | Use Scenario: Panel-mounted human-machine interface in factory automation, managing PLC communication and graphical display. IC Role / Device Role / Timing Role: Central controller interfacing with Modbus RTU over UART, driving TFT LCD via PPI, and logging events to NAND flash. Use Value: 48 GPIOs with hysteresis tolerate industrial EMI; 32 KB L1 data SRAM enables fast UI state buffering; TWI/SPI support simplifies sensor and peripheral integration. |
| Networked Audio Processor | Secure Edge Gateway |
Use Scenario: VoIP endpoint or audio analytics node performing echo cancellation, noise suppression, and SIP signaling. IC Role / Device Role / Timing Role: Signal processor running fixed-point audio algorithms while managing USB audio class and Ethernet packet routing - coordinated by SPORTs and UART. Use Value: Two full-duplex SPORTs support eight stereo I²S channels; 8 PWM timers enable precise audio sample rate generation and LED status indication. | Use Scenario: Field-deployable gateway aggregating sensor data from CAN/RS-485 networks and forwarding via encrypted TLS to cloud platform. IC Role / Device Role / Timing Role: Secure edge compute node executing lightweight TLS stack, protocol translation, and OTA update verification - leveraging Lockbox and OTP memory. Use Value: Code security with Lockbox prevents firmware cloning; 32 KB boot ROM contains trusted bootloader; USB OTG enables local diagnostics and firmware recovery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF524KBCZ-4 | Same 400 MHz speed, identical 289-ball CSP_BGA package, and peripheral set - but lacks USB 2.0 OTG and has no NAND flash controller. | Best suited for non-networked, non-storage applications like motor control where USB/NAND are unnecessary. | Select ADSP-BF524KBCZ-4 only if USB and NAND functions are omitted from design to reduce software complexity. |
| ADSP-BF527KBCZ-6 | 600 MHz core, includes on-chip voltage regulator and Ethernet MAC - differs in clock speed, power management, and networking capability. | Required for higher-throughput applications needing 10/100 Ethernet or dynamic voltage scaling in battery-powered devices. | Choose ADSP-BF527KBCZ-6 when Ethernet connectivity or >400 MHz processing headroom is mandatory - not a drop-in replacement. |
Compared with ADSP-BF526KBCZ-4, ADSP-BF524KBCZ-4 removes USB/NAND functionality for cost-sensitive control-only roles, while ADSP-BF527KBCZ-6 adds Ethernet and voltage regulation for higher-performance, feature-rich edge nodes - neither matches ADSP-BF526KBCZ-4's balanced mix of USB, NAND, and 400 MHz processing in a single package.
Availability
ADSP-BF526KBCZ-4 is available at Aetrix Electronics and suitable for video surveillance encoders, industrial HMIs, networked audio processors, and secure edge gateways requiring stable component supply and long-term industrial lifecycle support.
Supply support for ADSP-BF526KBCZ-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 DSP technology, serving industrial, automotive, communications, and consumer markets since 1965.
The ADSP-BF52x product line delivers integrated signal processing and microcontroller capabilities for resource-constrained embedded applications - designed specifically for real-time multimedia, industrial control, and network-connected edge devices.
FAQ
What is the maximum operating frequency of the ADSP-BF526KBCZ-4?
The ADSP-BF526KBCZ-4 operates at a maximum system clock speed of 400 MHz, as confirmed in the Rev. D datasheet Section "Table 1. Processor Comparison" and "Specifications" on Page 28. This speed applies to ADSP-BF522/ADSP-BF524/ADSP-BF526 variants and is achieved using the on-chip PLL with appropriate CLKIN input and voltage regulation. The ADSP-BF526KBCZ-4 does not include an internal voltage regulator, so external 1.2 V core supply must meet tight tolerance and transient response requirements to sustain 400 MHz operation.
Does the ADSP-BF526KBCZ-4 include an Ethernet MAC?
No, the ADSP-BF526KBCZ-4 does not include an Ethernet MAC. Per Table 1 in the Rev. D datasheet, Ethernet MAC is only present on ADSP-BF525 and ADSP-BF527 variants. The ADSP-BF526KBCZ-4 retains USB 2.0 OTG, SPI, TWI, UARTs, PPI, and NAND flash controller - making it suitable for USB-connected or serially interfaced applications where Ethernet is handled externally. This omission reduces die area and power consumption compared to BF527.
What package type and ball count does the ADSP-BF526KBCZ-4 use?
The ADSP-BF526KBCZ-4 uses a 289-ball CSP_BGA package with 12 mm × 12 mm body size and 0.8 mm ball pitch, as specified in "Package Information" (Page 38) and "289-Ball CSP_BGA Ball Assignment" (Page 80) of the Rev. D datasheet. This package supports fine-pitch PCB assembly and provides thermal performance suitable for sustained 400 MHz operation. It is pin-compatible with other ADSP-BF52x 289-ball variants but not with the 208-ball option used by some lower-I/O derivatives.
Can the ADSP-BF526KBCZ-4 boot from SPI flash memory?
Yes, the ADSP-BF526KBCZ-4 supports booting from SPI flash memory. Section "Booting Modes" (Page 18) and Table 1 confirm flexible boot options including SPI flash, parallel flash, host devices (SPI/TWI/UART), and OTP memory. BOOT_CFG[2:0] pins are strapped to configure SPI flash as the primary boot source, and the internal boot kernel automatically initializes the SPI port and loads code into L1 instruction memory. This capability is shared across all ADSP-BF52x variants, including ADSP-BF526KBCZ-4.
Is the ADSP-BF526KBCZ-4 qualified for automotive applications?
No, the ADSP-BF526KBCZ-4 is not automotive-qualified. According to the Rev. D datasheet "Automotive Products" section (Page 87), only ADSP-BF523/ADSP-BF525/ADSP-BF527 processors are explicitly qualified for automotive applications. The ADSP-BF526KBCZ-4 is rated for industrial temperature range (−40°C to +85°C) and intended for industrial, medical, and commercial embedded systems - not AEC-Q100-certified automotive ECUs. Its qualification status is distinct from BF527 despite shared packaging and peripheral sets.
ADSP-BF526KBCZ-4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 289-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- DMA, Ethernet, I2C, PPI, SPI, SPORT, UART, USB
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- ROM (32kB)
- On-Chip RAM:
- 132kB
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 289-CSPBGA (12x12)
ADSP-BF526KBCZ-4 FAQ
1.How can I place an order for ADSP-BF526KBCZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF526KBCZ-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-BF526KBCZ-4 reliable?
The price and inventory of ADSP-BF526KBCZ-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-BF526KBCZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-BF526KBCZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF526KBCZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF526KBCZ-4?
ADSP-BF526KBCZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF526KBCZ-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-BF526KBCZ-4?
For technical support, including ADSP-BF526KBCZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF526KBCZ-4 requirements.
6.How does Aetrix verify that ADSP-BF526KBCZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF526KBCZ-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-BF526KBCZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-BF526KBCZ-4?
All ADSP-BF526KBCZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF526KBCZ-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-BF526KBCZ-4 part is unused and in its original packaging.
Return procedure for ADSP-BF526KBCZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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