ADSP-BF538F EZ-KIT Lite Hardware Reference

Push Button Enable Switch (SW5)

The push button enable switch (SW5) disconnects the associated signal and the push button circuit drivers from the GPIO pins of the processor. When the SW5 switch is in the OFF position, the GPIO signal

(see Table 2-5) can be used on the expansion interface.

Table 2-5. Push Button Enable Switch (SW5)

Push Button

SW5 Switch Position (Default)

Processor Signal

 

 

 

 

 

 

 

 

PB1 (SW13)

1

(ON)

PF0

 

 

 

 

PB2 (SW12)

2

(ON)

PF1

 

 

 

 

PB3 (SW11)

3

(ON)

PF2

 

 

 

 

PB4 (SW10)

4

(ON)

PF3

 

 

 

 

Flash Enable Switch (SW6)

The flash enable switch (SW6) disconnects the ~AMS signals from the exter- nal flash memory, allowing other devices to utilize the signals via the expansion interface. For each switch listed in Table 2-6that is turned OFF, the size of available flash memory is reduced by 1 MB.

Table 2-6. Flash Enable Switch (SW6)

Processor Signal

SW6 Switch Position (Default)

 

 

 

 

 

 

~AMS0

1

(ON)

 

 

 

~AMS1

2

(ON)

 

 

 

~AMS2

3

(ON)

 

 

 

~AMS3

4

(ON)

 

 

 

ADSP-BF538F EZ-KIT Lite Evaluation System Manual

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Image 47
Analog Devices ADSP-BF538F system manual Push Button Enable Switch SW5, Flash Enable Switch SW6

ADSP-BF538F specifications

The Analog Devices ADSP-BF538F is a high-performance Blackfin processor that stands out in the realm of digital signal processing. This processor is designed specifically for applications that require intensive signal processing, such as audio and video encoding/decoding, industrial automation, and medical imaging. Its combination of processing power, low power consumption, and rich feature set makes it an ideal choice for embedded systems.

One of the main features of the ADSP-BF538F is its dual-core architecture, which allows for simultaneous execution of multiple threads. This architecture leverages the strengths of both RISC and SIMD (Single Instruction, Multiple Data) processing, enabling it to handle complex algorithms effectively. Additionally, the processor operates at clock speeds of up to 600 MHz, delivering impressive performance while maintaining energy efficiency.

Technologically, the ADSP-BF538F incorporates a diverse range of peripherals that enhance its versatility. It features integrated multimedia capabilities, including a video port for interfacing with cameras and displays, and a direct memory access (DMA) controller that facilitates rapid data transfer between memory and peripherals. This efficient data handling is critical in applications where real-time performance is essential.

The processor is equipped with rich memory resources, including up to 1 MB of on-chip SRAM and an external memory interface that supports various memory types, such as SDRAM and Flash. This ample memory capacity is crucial for application scenarios that require high-speed data processing and storage.

Power management is another key characteristic of the ADSP-BF538F. It features multiple power-saving modes that allow developers to optimize for energy efficiency without sacrificing performance. This makes it suitable for battery-operated devices where power consumption is a crucial consideration.

Furthermore, the ADSP-BF538F is designed with a development-friendly ecosystem, supporting various development tools and software. The processor is compatible with the VisualDSP++ development environment, which provides a comprehensive suite of application development tools, making it accessible for engineers to implement their projects efficiently.

In summary, the Analog Devices ADSP-BF538F is a cutting-edge signal processing solution that combines high-performance capabilities with energy efficiency. Its dual-core architecture, extensive peripherals, rich memory resources, and robust development support make it a powerful choice for a wide range of embedded applications. Whether in industrial, automotive, or consumer electronics, the ADSP-BF538F is poised to deliver outstanding performance and reliability.