FRDM-KV31F

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The FRDM-KV31F is an evaluation board for the Kinetis KV31F microcontroller. This board is designed to evaluate the Kinetis KV31F and features the Arduino-compatible layout as well as software and hardware compatibility with other Freescale Freedom development boards. The target applications for the FRDM-KV31F include energy efficient consumer electronics, automotive, medical and industrial applications, which require low power but good performance.

Let’s take a closer look at the FRDM-KV31F evaluation board and its working principles. The board has an 80-pin package and features a 48 MHz ARM Cortex-M4 core. The FRDM-KV31F also incorporates many integrated peripherals, such as a quad-SPI memory interface, six FlexIO ports, four DMA channels, sixteen analog channels, four digital LED drivers, and two I2C buses. The board also features KryoM’s OpenSPI flash memory adapter, which comes preloaded with the Kinetis SDK 2.0. with board support packages for Keil MDK, IAR Embedded Workbench and P&E  Open-Source. 

The FRDM-KV31F is designed to operate from a 5V power supply. The board has two power management options: external DC power supply through the VUSB connector or USB power supplied through the USB micro-B connector. The board has two built-in low-dropout regulators (LDOs) for powering the Kinetis KV31F and external peripherals. The board also has a 3.3V switchable regulator that can be used to power digital peripherals. The board also includes a J-Link Lite debugger, which is preloaded with the Kinetis SDK 2.0. with board support packages for Keil MDK, IAR Embedded Workbench and P&E Open-Source. The FRDM-KV31F also has an onboard user button, reset button, and two user LEDs to support debugging and application development.

The FRDM-KV31F also features an onboard cryotron module for low power, low noise analog signal processing. The cryotron is designed to sense very small changes in temperature and thus can detect small changes in resistance. The module is able to detect a wide range of loads, including currents in the low mA range. The cryotron module can be used to measure power consumption, and can also be used for condition monitoring and fault detection. The module can also be used to detect pressure, temperature and other physical quantities.

The FRDM-KV31F includes onboard hardware and firmware to support example applications. The board includes one onboard microcontroller core, the Kinetis KV31F, and a series of on-board peripherals that are optimized to support the features of the Kinetis KV31F and the application use case. The board also supports several external communication protocols, including CAN, FlexCAN, Ethernet and USB, as well as multiple serial communication protocols, such as UART, I2C, SPI, I2S and SDIO.

The Kinetis SDK 2.0 also includes an example application library, which contains a variety of examples for using the Kinetis KV31F in your application. The example applications cover a range of topics, from LED control and GPIO to audio and data communication. This library makes it easy for developers to quickly get started with the Kinetis KV31F. Furthermore, various third-party development tools are available for the Kinetis KV31F, such as Freescale’s CodeWarrior, Keil MDK and IAR Embedded Workbench.

In summary, the FRDM-KV31F evaluation board is designed to evaluate the Kinetis KV31F microcontroller and provides the flexibility and features needed for the development of many embedded applications. The board is compatible with the Kinetis SDK 2.0 and several third-party development tools, making it easy for developers to get started with the Kinetis KV31F. Furthermore, the board is compatible with the Arduino-compatible layout and various communication protocols, making it suitable for a wide range of low-power, high-performance applications.

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