MK22FN256VLL12R

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The MK22FN256VLL12R is a high performance, low-power 32-bit ARM ® Cortex ®-M4 microcontroller. It provides the user with an extensive range of versatile on-chip peripherals, including innovative peripherals such as a tamper-proof NVM and an ultra-rapid 12-bit ADC, as well as a security segment for crypto accelerators. This microcontroller is part of the A to D family of microcontrollers from ARM ®. Specifically, it belongs to the Cortex ®-M4 series.

Due to its remarkable features, the MK22FN256VLL12R finds a wide range of applications in the embedded space. It is suitable for automotive and industrial control, consumer, human machine interface (HMI) and IoT (Internet of Things) applications. It is also used in industrial plant automation and wireless network connectivity. The MK22FN256VLL12R microcontroller provides a scalable low-power solution with advanced peripherals and improved debug capabilities.

The working principle of the MK22FN256VLL12R microcontroller revolves around the ARM ® Cortex ®-M4 processor core. The ARM Cortex-M4 processor core is a high performance, low-power, 32-bit RISC CPU. It is equipped with a digital signal controller (DSC) that is optimized for digital signal processing tasks. In addition, the ARM Cortex-M4 DFU (Device Firmware Update) is a feature that facilitates over-the-air programming, meaning that a device can be updated remotely with new code over a wireless connection. Furthermore, the ARM Cortex-M4 micro-controller runs an RTOS (real-time operating system), which provides efficient scheduling and task management for embedded applications.

The MK22FN256VLL12R microcontroller also has a programmable input/output controller (PI/O port) that allows reduces the amount of logic needed to interface with peripheral devices and other microcontrollers, making it easier to configure and program. It also has up to 2D graphics engine, a dual-pulse width modulation controller (DPWM) and a 2-channel CAN 2.0B controller, providing additional control and communication options. The MK22FN256VLL12R microcontroller also boasts of a Fast USB 2.0 controller, making it ideal for low-cost USB applications such as data acquisition or human machine interfaces.

In addition, the MK22FN256VLL12R also features an DMA controller and a power sequence controller, allowing for more efficient data transfers and power sequencing operations. It also has multiple flash memory banks and an instruction cache, enabling fast and efficient program execution. The on-chip peripherals include a tamper-proof NVM and an ultra-rapid 12-bit ADC, allowing for secure operations and fast data acquisition, respectively.

The MK22FN256VLL12R supports up to 512KB of flash memory and 64KB of SRAM. It is also equipped with a Security Segment to enable secure communication, authentication of firmware images and secure boot sequences, as well as a crypto accelerator to improve the encryption performance of hosting applications. The processor also supports multiple low-power states, allowing the system to enter a low-power state while conserving the activity of the peripherals.

The MK22FN256VLL12R microcontroller is a versatile and powerful device that provides an extensive range of features and configurability. It is suitable for a wide range of embedded and industrial applications. Thanks to its advanced peripherals and low-power features, it is a great choice for automotive, industrial and consumer applications. Furthermore, due to its cryptographic features, it can be used for secure IoT applications.

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