Overview
The ADSP-BF531SBBCZ400, produced by Analog Devices Inc., is a member of the Blackfin processor family. This digital signal processor (DSP) is designed to offer a balance between performance, peripheral integration, and cost, making it an ideal choice for cost-sensitive applications. The ADSP-BF531 is the low-cost entry point into the Blackfin Processor family and is well suited for applications such as portable test equipment, embedded modems, biometrics, and consumer audio.
Key Specifications
| Parameter | Specification |
|---|---|
| Maximum Performance | 400 MHz / 800 MMACs |
| Core Voltage | 0.8 V to 1.2 V with on-chip voltage regulation |
| I/O Voltage Tolerance | 3.3 V and 2.5 V tolerant |
| On-chip Memory | 52 Kbytes (16 Kbytes instruction SRAM/Cache, 16 Kbytes data SRAM/Cache, 4 Kbytes scratchpad SRAM) |
| External Memory Support | Glueless connection to SDRAM, SRAM, Flash, or ROM |
| Peripherals | Parallel Peripheral Interface (PPI), two dual-channel synchronous serial ports, 12 DMA channels, UART, SPI-compatible port, event handler, real-time clock, watchdog timer |
| Packages | 160-ball Mini-BGA, 176-Lead LQFP, 169-ball Pb-Free Sparse PBGA |
| Operating Temperature | Industrial temperature range |
Key Features
- Enhanced Dynamic Power Management: On-chip core voltage regulation allows operation down to 0.8V, extending battery life in portable applications.
- Application-tuned Peripherals: Provide glueless connectivity to general-purpose converters in data acquisition applications.
- High Level of Integration: Includes parallel peripheral interface supporting ITU-R 656 video data formats, two dual-channel full-duplex synchronous serial ports, and 12 DMA channels.
- Advanced Compute Units: Two 40-bit ALUs, four video ALUs, and a 40-bit shifter, supporting 8-bit, 16-bit, or 32-bit data operations.
- Flexible Memory Options: Memory management unit providing memory protection and flexible memory booting options from SPI and external memory.
- Debug and Monitoring: Advanced debug, trace, and performance monitoring capabilities.
Applications
- Portable Test Equipment: Ideal for battery-powered test equipment due to its low power consumption.
- Embedded Modems: Suitable for modem applications requiring high performance and low power.
- Biometrics: Used in biometric applications such as fingerprint recognition and facial recognition.
- Consumer Audio: Well-suited for consumer audio devices requiring multi-channel audio processing.
- Multimedia Applications: Enables multi-channel audio plus CIF video processing in multimedia applications.
Q & A
- What is the maximum performance of the ADSP-BF531?
The ADSP-BF531 operates at a maximum performance of 400 MHz / 800 MMACs.
- What is the core voltage range of the ADSP-BF531?
The core voltage range is from 0.8 V to 1.2 V with on-chip voltage regulation.
- What types of external memory does the ADSP-BF531 support?
The ADSP-BF531 supports glueless connections to SDRAM, SRAM, Flash, or ROM.
- What peripherals are included in the ADSP-BF531?
The ADSP-BF531 includes a parallel peripheral interface, two dual-channel synchronous serial ports, 12 DMA channels, UART, SPI-compatible port, event handler, real-time clock, and watchdog timer.
- What are the available package options for the ADSP-BF531?
The ADSP-BF531 is available in 160-ball Mini-BGA, 176-Lead LQFP, and 169-ball Pb-Free Sparse PBGA packages.
- What is the operating temperature range of the ADSP-BF531?
The ADSP-BF531 operates within the industrial temperature range.
- What are some typical applications of the ADSP-BF531?
Typical applications include portable test equipment, embedded modems, biometrics, consumer audio, and multimedia applications.
- How does the ADSP-BF531 manage power consumption?
The ADSP-BF531 features enhanced dynamic power management with on-chip core voltage regulation, allowing operation down to 0.8V to extend battery life in portable applications.
- What advanced compute units are included in the ADSP-BF531?
The ADSP-BF531 includes two 40-bit ALUs, four video ALUs, and a 40-bit shifter, supporting 8-bit, 16-bit, or 32-bit data operations.
- Does the ADSP-BF531 support advanced debug and monitoring features?
Yes, the ADSP-BF531 includes advanced debug, trace, and performance monitoring capabilities.
