TWR-PXN20 Application Field and Working Principle

The TWR-PXN20 is an evaluation board designed to provide capabilities for a wide range of embedded applications. The board features a variety of components and circuitry designed for test and development purposes. The board also includes an embedded core connected to a variety of peripherals and interfaces.

Application Fields

The TWR-PXN20 board can be used for a variety of purposes. It is suitable for embedded development and testing, as it contains several components that can be used for prototyping and debugging. It is also suitable for educational purposes, as the board is provided with comprehensive documentation and a set of examples that can be used to demonstrate and teach the basics of embedded development. The board is primarily geared towards microcontrollers (MCUs), digital signal processors (DSPs) and other embedded devices.

Hardware Overview

The board contains several components for connecting to the target system, including an ARM Cortex-M0+ MCU from NXP, two digital signal processors from Freescale, two I2C Bus masters, and an RS 485 bus. Other components include a 10 MHz oscillator, two external memory chips, a real-time clock, and a power supply. The board can be powered by a USB connection, an external battery, or an AC adapter.

Software Development

The board comes with a complete toolchain for embedded development. It includes the CodeWarrior development studio, which provides a graphical user interface for creating, compiling, and debugging embedded programs. The CodeWarrior also includes example programs to ease the development process. The board also comes with an IAR Embedded Workbench, which is an integrated development environment for programming the target device. The IAR Embedded Workbench provides a powerful yet easy to use debugging environment. It includes integrated tools for targeting and debugging a wide range of embedded systems.

Programming

The board includes several components which can be programmed and used to control the board. The board includes two MCUs which can be programmed using the CodeWarrior development studio. The DSPs can be programmed using an IAR Embedded Workbench. Other components such as the external memory chips, the real-time clock, and the I2C Bus must be programmed using special software.

Working Principle

The TWR-PXN20 board relies on the components it contains to control the board\'s behavior. The board is powered by a USB connection or an external battery. When the board is connected to a power source, the components begin to operate. The MCUs, DSPs, and other components can be programmed to perform a variety of tasks. When a program is loaded into the board, it will begin to execute. The board will communicate with other systems and devices through its various interfaces, such as the RS 485 bus, the I2C Bus, and the external memory chips.

Conclusion

The TWR-PXN20 is an excellent evaluation board for embedded development. It contains components and circuitry necessary for testing and development, and it is suitable for a variety of applications. The board comes with comprehensive documentation and a complete toolchain for programming and debugging. The board also contains an embedded core and a variety of peripherals and interfaces, which allow it to communicate with other systems and devices. By using the TWR-PXN20 board, developers and engineers can quickly develop and test new embedded applications.