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ADSP-BF531SBSTZ400
ADSP-BF531SBSTZ400
| Part Number | ADSP-BF531SBSTZ400 |
|---|---|
| Manufacturer | Analog Devices Inc. (ADI) |
| Category | Integrated Circuits (ICs) > Embedded – DSP (Digital Signal Processors) |
| Description | 16-Bit 400 MHz High-Performance Blackfin Embedded Processor / DSP, 52 KB On-Chip SRAM, 1KB On-chip Boot ROM, LQFP-176 Package, Low Power. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The ADSP-BF531SBSTZ400 is a low-power 16-bit Blackfin embedded DSP from Analog Devices. Running at 400 MHz, it delivers up to 800 MMACS, integrates 52 KB L1 SRAM, 1 KB boot ROM, and rich peripherals including PPI, SPORT/SSP, SPI, UART. Packaged in 176-LQFP, it is ideal for industrial control, audio/video processing and portable embedded systems.
Core Advantages
Dual-MAC Blackfin Architecture
Adopts dual 16-bit MAC + 32-bit RISC architecture, 400 MHz clock reaches 800 MMACS, supports SIMD parallel computing for high-speed signal processing.
Dynamic Power Management
Software adjustable voltage and frequency, realizes low-power operation, suitable for battery-powered devices.
Rich Integrated Peripherals
Built-in PPI video interface, high-speed serial ports, PWM timers, multi-channel DMA, simplifies peripheral circuit design.
Reliable LQFP Package
176-LQFP (24×24mm) surface mount package, easy assembly, good heat dissipation and stability.
Key Specifications
| Brand | Analog Devices (ADI) |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free |
| EDA / CAD | PCB Footprint & 3D Model Available upon Request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 176-LQFP (24×24 mm) |
| Mounting Type | Surface Mount (SMD / SMT) |
| Surface Marking / Silkscreen | ADSP-BF531SBSTZ400 / ADI Logo |
| Core Architecture | 16-Bit Blackfin Dual-MAC DSP Core |
| Clock Frequency | 400 MHz |
| Performance | Up to 800 MMACS |
| On-Chip SRAM | 52 KB (L1 Instruction / Data SRAM) |
| On-Chip Boot ROM | 1 KB |
| External Memory Interface | SDRAM, SRAM, Flash, ROM |
| Core Voltage (VDDINT) | 0.8 V to 1.2 V (Nominal 1.2V) |
| I/O Voltage (VDDEXT) | 2.25 V to 3.6 V (Nominal 3.3V) |
| Communication Interfaces | SPORT(SSP), SPI, UART (IrDA supported) |
| Timers & RTC | 3×32-bit Timers (PWM mode supported), Watchdog Timer, RTC |
| DMA Channels | 12 Channels (2 MDMA + 8 PDMA + 2 Reserved) |
| Operating Temperature | -40°C to +85°C (Industrial Grade) |
Typical Applications
- Embedded Digital Audio and Speech Processing Systems
- Video Processing, Security Cameras, and Image Recognition Devices
- Industrial Motor Control, Process Automation, and Power Electronics
- Biomedical Patient Monitoring and Portable Medical Devices
- Biometric Security Systems and Smart Embedded Gateways
- Portable Voice Recognition and Audio Encryption Equipment
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: What is the peak processing performance of ADSP-BF531SBSTZ400?
A: When the core clock runs at 400 MHz, the dual-MAC Blackfin architecture supports a maximum of 800 MMACS (Million Multiply-Accumulate Operations Per Second).
Q2: Can ADSP-BF531SBSTZ400 expand external memory?
A: Yes. It is equipped with an External Bus Interface Unit (EBIU), which can be connected to SDRAM, asynchronous SRAM, Flash and ROM external memory devices.
Q3: What package type does ADSP-BF531SBSTZ400 adopt?
A: It uses a 176-lead LQFP (Low-Profile Quad Flat Package) surface-mount package, suitable for standard SMT assembly processes.
Q4: What does each suffix of the part number ADSP-BF531SBSTZ400 mean?
A: S = Industrial temperature grade; B = LQFP package; ST = Tray packaging; Z = Lead-free, RoHS compliant; 400 = 400 MHz rated operating frequency.
Q5: What are pin-compatible alternative models of ADSP-BF531SBSTZ400?
A: Pin-compatible upgrades: ADSP-BF532SBSTZ400 (larger on-chip SRAM), ADSP-BF533SBSTZ400 (maximum on-chip memory in BF53x series); package alternative: ADSP-BF531SBBGA400 (BGA package). All models share the same core and pin definition, only differ in on-chip memory capacity.
Q6: What are the differences between ADSP-BF531, BF532 and BF533?
A: They belong to the same Blackfin BF53x family, fully pin-compatible. BF531 has 52KB L1 SRAM, BF532 has 84KB L1 SRAM, BF533 has 132KB L1 SRAM, all support 400MHz maximum frequency, users can select according to system memory requirements.
Q7: Does this chip integrate built-in Flash or EEPROM?
A: No built-in Flash/EEPROM, only 1KB on-chip boot ROM is integrated. External non-volatile memory (SPI Flash / NOR Flash) is required for system boot and program storage.
Q8: What development environments are supported by ADSP-BF531SBSTZ400?
A: Originally adapted to VisualDSP++ IDE, now officially migrated to ADI GCC toolchain, and compatible with Blackfin uClinux, RTOS embedded operating systems.
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