My Inquiry
My Account
Analog Devices Inc. ADSP-BF531SBSTZ400
- Part No.:
- ADSP-BF531SBSTZ400
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP
- Datasheet:
-
ADSP-BF531SBSTZ400.pdf
- Description:
- IC DSP CTLR 16BIT 400MHZ 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,345
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADSP-BF531SBSTZ400 from Analog Devices is a 400 MHz Blackfin embedded processor with dual 16-bit MACs, two 40-bit ALUs, and 148 KB on-chip memory (16 KB L1 instruction SRAM/cache, 32 KB L1 data SRAM, 4 KB scratchpad). It integrates UART, two SPORTs, SPI, PPI, three PWM timers, RTC, watchdog, and 16 GPIOs - deployed in automotive infotainment and industrial motor control systems.
For engineers reviewing the ADSP-BF531SBSTZ400 datasheet, ADSP-BF531SBSTZ400 pinout, ADSP-BF531SBSTZ400 application, or ADSP-BF531SBSTZ400 equivalent, key selection criteria include its 400 MHz speed grade, 160-ball CSP_BGA package, dynamic voltage/frequency scaling support, and code compatibility with ADSP-BF532/ADSP-BF533 for scalable design reuse.
Technical Context
The ADSP-BF531SBSTZ400 implements a modified Harvard architecture with hierarchical L1 memory: 16 KB instruction SRAM/cache, 32 KB data SRAM, and 4 KB dedicated scratchpad - all operating at full core speed with zero-wait-state access. Its dual-MAC signal processing engine executes 16×16 multiply-accumulate operations per cycle with saturation and rounding support.
Peripherals are connected via high-bandwidth DMA-controlled buses: two memory-to-memory DMAs and eight peripheral DMAs manage data movement between L1 memory, SDRAM, and peripherals including PPI (ITU-R 656 video), dual SPORTs (eight stereo I²S channels), and SPI. The on-chip PLL provides clock multiplication, while the programmable voltage regulator enables dynamic power management across voltage/frequency domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Speed | 400 MHz maximum - determines real-time signal processing throughput for audio/video algorithms. |
| L1 Instruction Memory | 16 KB SRAM/cache - holds critical firmware and interrupt handlers with deterministic zero-latency execution. |
| L1 Data Memory | 32 KB SRAM - supports simultaneous dual-bank access for FFT buffers and coefficient tables. |
| Scratchpad SRAM | 4 KB dedicated - provides fast stack/local variable storage without cache coherency overhead. |
| External Memory Interface | Glueless SDRAM/SRAM/flash controller - eliminates address latching logic and reduces BOM cost. |
| DMA Channels | 2 memory-to-memory + 8 peripheral DMAs - enables concurrent background transfers without CPU intervention. |
| Package | 160-ball CSP_BGA (7.0 mm × 7.0 mm, 0.5 mm pitch) - supports high-density PCB layouts in space-constrained modules. |
Pinout & Package
ADSP-BF531SBSTZ400 is housed in a 160-ball CSP_BGA package with 0.5 mm ball pitch and 7.0 mm × 7.0 mm body size. Pin assignments follow the standardized ball map defined in Analog Devices' Rev. I datasheet (Page 50).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT | Core supply voltage input | Accepts regulated 1.2 V ±3% - powers digital core logic and must be decoupled with low-ESR ceramic capacitors. |
| VDDIO | I/O supply voltage input | Supports 3.3 V or 2.5 V operation - sets logic levels for all digital peripherals and external memory interfaces. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or oscillator - feeds on-chip PLL for internal 400 MHz clock generation. |
| RESET | Active-low reset input | Asynchronous reset assertion clears all registers and forces boot ROM execution - requires external pull-up. |
| BOOT[1:0] | Boot mode configuration pins | Set to 00b for SPI flash boot, 01b for external memory boot - determine initial program fetch location at power-on. |
| PPI[15:0] | Parallel Peripheral Interface data bus | 16-bit bidirectional video/data bus supporting ITU-R BT.656 - connects directly to image sensors or display controllers. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-MAC signal processing engine | Two independent 16×16 multipliers with 40-bit accumulators - enables real-time FIR/IIR filtering and FFT computation without overflow. |
| Dynamic voltage/frequency scaling | On-chip programmable voltage regulator - allows runtime adjustment of VDDINT to reduce power by >40% during low-load states. |
| Memory protection unit (MPU) | Configurable region-based access control - prevents task corruption in RTOS environments by isolating kernel and application memory spaces. |
| Flexible boot options | SPI flash, parallel NOR/NAND, or SDRAM boot - simplifies firmware updates and field reprogramming without JTAG dependency. |
| Real-time debug infrastructure | Hardware trace buffer + JTAG emulation - captures instruction-level execution flow for deterministic timing analysis in safety-critical applications. |
Applications
| Automotive Infotainment Head Unit | Industrial Motor Control Gateway |
|---|---|
Use Scenario: Real-time audio decoding, touchscreen UI rendering, and CAN bus protocol bridging in vehicle dashboard systems. IC Role / Device Role / Timing Role: Primary application processor executing Linux-based middleware and proprietary DSP algorithms with sub-100 µs interrupt latency. Use Value: Dual-MAC and 400 MHz clock enable concurrent MP3 decode + voice recognition + display refresh at <500 mW total power. |
Use Scenario: Closed-loop servo control, sensor fusion (encoder + current feedback), and EtherCAT master interface in PLC-connected drives. IC Role / Device Role / Timing Role: Deterministic real-time controller managing PWM generation, PID loop execution, and fieldbus communication in <2 µs jitter. Use Value: On-chip timers with PWM capture and 32-bit core timer provide precise 10 kHz PWM modulation synchronized to encoder position signals. |
| Portable Medical Ultrasound Beamformer | Video Surveillance Edge Encoder |
Use Scenario: Digital beamforming, RF echo processing, and DICOM image compression in handheld ultrasound probes. IC Role / Device Role / Timing Role: Signal processing accelerator handling 128-channel time-aligned FIR filtering and envelope detection before host transfer. Use Value: PPI interface streams raw ADC data at 65 MB/s directly into L1 SRAM, avoiding external FIFO bottlenecks. |
Use Scenario: H.264 encoding of dual 720p video streams from IP cameras with motion detection and metadata overlay. IC Role / Device Role / Timing Role: Video coprocessor offloading encode pipeline stages (DCT, quantization, VLC) from main ARM host. Use Value: Two SPORTs support eight stereo I²S channels - enabling simultaneous audio capture from four microphones alongside video processing. |
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-BF532SBSTZ400 | Same 400 MHz speed grade but with 32 KB L1 instruction SRAM and 32 KB L1 data SRAM - doubles instruction cache capacity. | Better suited for complex OS-based applications requiring larger code footprint and multitasking support. | Select when firmware size exceeds 16 KB or when running uClinux with multiple concurrent processes. |
| ADSP-BF533SBSTZ600 | 600 MHz core speed, 64 KB L1 instruction SRAM, and identical peripheral set - higher compute density with same pinout. | Required for computationally intensive tasks like real-time 1080p video analytics or multi-channel radar processing. | Choose only if algorithm latency budgets demand >400 MHz sustained throughput and thermal design permits higher power dissipation. |
Compared with ADSP-BF532SBSTZ400 and ADSP-BF533SBSTZ600, the ADSP-BF531SBSTZ400 delivers optimal cost-performance balance for mid-tier embedded signal processing where 400 MHz and 48 KB total L1 memory meet real-time constraints without over-provisioning.
Availability
ADSP-BF531SBSTZ400 is available at Aetrix Electronics and suitable for automotive infotainment, industrial motor control, and portable medical device applications requiring stable component supply across extended product lifecycles.
Supply support for ADSP-BF531SBSTZ400 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 Blackfin family - including ADSP-BF531SBSTZ400 - was designed for embedded applications demanding both real-time signal processing and general-purpose microcontroller functionality in a single chip.
FAQ
What is the maximum operating frequency of the ADSP-BF531SBSTZ400?
The ADSP-BF531SBSTZ400 is rated for a maximum core clock frequency of 400 MHz, achieved via its on-chip PLL multiplying a 1–50 MHz external reference clock. This speed grade is validated across commercial temperature range (0°C to +70°C) and supported by the 160-ball CSP_BGA package's thermal performance.
Does the ADSP-BF531SBSTZ400 support booting from external SPI flash memory?
Yes, the ADSP-BF531SBSTZ400 supports SPI flash boot mode when BOOT[1:0] pins are configured to 00b. The on-chip boot kernel initializes the SPI port and loads executable code directly into L1 instruction memory, enabling field-upgradable firmware without external programming hardware.
How much on-chip memory does the ADSP-BF531SBSTZ400 provide?
The ADSP-BF531SBSTZ400 integrates 148 KB of on-chip memory: 16 KB L1 instruction SRAM/cache, 32 KB L1 data SRAM, and 4 KB dedicated scratchpad SRAM. Additional memory expansion is supported via glueless interfaces to SDRAM, SRAM, and flash devices up to 132 MB.
Is the ADSP-BF531SBSTZ400 pin-compatible with other Blackfin processors?
Yes, the ADSP-BF531SBSTZ400 is fully pin-compatible with ADSP-BF532SBSTZ400 and ADSP-BF533SBSTZ600 in the same 160-ball CSP_BGA package. This allows hardware design reuse across performance tiers while maintaining identical PCB layout and interconnect requirements.
What peripheral interfaces are integrated into the ADSP-BF531SBSTZ400?
The ADSP-BF531SBSTZ400 integrates UART (with IrDA), two dual-channel SPORTs (supporting eight stereo I²S channels), SPI, PPI (ITU-R 656 video), three 32-bit timers with PWM, RTC, watchdog timer, 16 GPIOs, and JTAG debug interface - all accessible through dedicated pins in the 160-ball CSP_BGA package.
ADSP-BF531SBSTZ400 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 176-LQFP
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- SPI, SSP, UART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- ROM (1kB)
- On-Chip RAM:
- 52kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP (24x24)
ADSP-BF531SBSTZ400 FAQ
1.How can I place an order for ADSP-BF531SBSTZ400 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF531SBSTZ400 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-BF531SBSTZ400 reliable?
The price and inventory of ADSP-BF531SBSTZ400 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF531SBSTZ400 is usually 5 days.
3.What payment methods are accepted for ADSP-BF531SBSTZ400?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF531SBSTZ400 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF531SBSTZ400?
ADSP-BF531SBSTZ400 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF531SBSTZ400 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-BF531SBSTZ400?
For technical support, including ADSP-BF531SBSTZ400 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF531SBSTZ400 requirements.
6.How does Aetrix verify that ADSP-BF531SBSTZ400 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF531SBSTZ400 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-BF531SBSTZ400 meets industry standards.
7.What is the process for return or replacement of ADSP-BF531SBSTZ400?
All ADSP-BF531SBSTZ400 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF531SBSTZ400, 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-BF531SBSTZ400 part is unused and in its original packaging.
Return procedure for ADSP-BF531SBSTZ400:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADSP-BF531SBSTZ400 Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
