Overview
The ADSP-BF531SBBC400, part of the Blackfin processor family from Analog Devices Inc., is a low-cost, high-performance digital signal processor (DSP). This processor is designed to offer an optimal balance between performance, peripheral integration, and price, making it well-suited for cost-sensitive applications. It features a RISC-like register and instruction model, advanced debug, trace, and performance monitoring capabilities, and enhanced dynamic power management to extend battery life in portable applications.
Key Specifications
| Specification | Details |
|---|---|
| Processor Speed | 400 MHz |
| Performance | Up to 800 MMACs |
| On-Chip Memory | 52 Kbytes (16 Kbytes instruction SRAM/Cache, 16 Kbytes data SRAM/Cache, 4 Kbytes scratchpad SRAM) |
| 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 |
| Package Options | 160-ball Mini-BGA, 169-ball Pb-Free Sparse PBGA, 176-Lead LQFP |
| Temperature Range | Industrial temperature range |
| Peripheral Interfaces | Parallel Peripheral Interface (PPI), two dual-channel synchronous serial ports, SPI-compatible port, UART with IrDA support |
| DMA Channels | 12 DMA channels supporting one and two-dimensional data transfers |
| Memory Controller | Glueless connection to SDRAM, SRAM, Flash, or ROM |
Key Features
- Enhanced Dynamic Power Management with on-chip core voltage regulation to extend battery life in portable applications.
- Application-tuned peripherals providing glueless connectivity to general-purpose converters in data acquisition applications.
- Multiple low-cost, pin- and code-compatible derivatives enabling software differentiation in cost-sensitive consumer applications.
- Advanced debug, trace, and performance monitoring capabilities.
- Parallel Peripheral Interface (PPI) supporting ITU-R 656 video data formats.
- Two dual-channel, full-duplex synchronous serial ports supporting eight stereo I2S channels.
- SPI-compatible port and UART with IrDA support.
- Real-time clock, watchdog timer, and event handler.
Applications
- Portable test equipment
- Embedded modems
- Biometrics
- Consumer audio
- Multimedia applications including multi-channel audio and CIF video processing
- Data acquisition applications
Q & A
- What is the maximum performance of the ADSP-BF531?
The ADSP-BF531 operates at up to 400 MHz and delivers up to 800 MMACs (million multiply-accumulate operations per second). - What types of memory does the ADSP-BF531 have?
The ADSP-BF531 features 52 Kbytes of on-chip memory, including 16 Kbytes of instruction SRAM/Cache, 16 Kbytes of data SRAM/Cache, and 4 Kbytes of scratchpad SRAM. - What are the package options for the ADSP-BF531?
The ADSP-BF531 is available in 160-ball Mini-BGA, 169-ball Pb-Free Sparse PBGA, and 176-Lead LQFP packages. - 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 peripheral interfaces does the ADSP-BF531 support?
The ADSP-BF531 supports a Parallel Peripheral Interface (PPI), two dual-channel synchronous serial ports, an SPI-compatible port, and a UART with IrDA support. - What is the temperature range for the ADSP-BF531?
The ADSP-BF531 operates within the industrial temperature range. - How many DMA channels does the ADSP-BF531 have?
The ADSP-BF531 has 12 DMA channels supporting one and two-dimensional data transfers. - What types of external memory does the ADSP-BF531 support?
The ADSP-BF531 supports glueless connections to SDRAM, SRAM, Flash, or ROM. - What are some typical applications for the ADSP-BF531?
Typical applications include portable test equipment, embedded modems, biometrics, consumer audio, and multimedia applications). - Is the ADSP-BF531 pin-compatible with other Blackfin processors?
Yes, the ADSP-BF531 is pin-compatible with the ADSP-BF532 and ADSP-BF533, differing only in performance and on-chip memory).
