MK12DX256VLK5

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MK12DX256VLK5 Application Field and Working Principle

The MK12DX256VLK5 microcontroller is manufactured by NXP Semiconductor and is a low-cost 32-bit microcontroller device with a wide range of applications in embedded systems. This microcontroller integrates numerous features, such as multiple interrupt sources, high-speed analog-to-digital conversion, and low-power operation. The MK12DX256VLK5 offers support for programs that require advanced computation within a limited resources budget. Additionally, the device is highly flexible, allowing engineers to customize it according to the requirements of their designs.

Application Field

The MK12DX256VLK5 is rated for operation across a varied temperature range from -40 to +85°C, making it suitable for applications in harsh or extreme environmental conditions. Its high speed and enhanced integration ensure reliable operation. Applications that greatly benefit from the use of the MK12DX256VLK5 microcontroller include embedded systems, medical equipment, home automation, robotics, and telecommunication systems.

Technical Characteristics

The technical characteristics of the MK12DX256VLK5 include a 120 MHz Arm® Cortex®-M4 Core with Floating Point Unit (FPU) and up to 256 kB program flash memory. It also includes a 12-bit analog-to-digital converter (6 x 12-bit) that supports up to 6 channel differential input, a 10-bit digital-to-analog converter (1x 10-bit), a 16-bit Timer, an Interrupt Controller, a Windowed Watchdog Timer, a Multi-Purpose Clock Generator (MCG) with PLL, and an 8-channel Direct Memory Access controller. The device includes a low-power clock generation system that provides a wide range of supported clocks for different applications. It operates on a 3.3 V single supply and has an integrated power-on reset circuit. It is available in a 32-pin TQFP package.

Peripheral Interfaces

The MK12DX256VLK5 has a variety of peripheral interfaces including one External Bus Interface (EBI), an on-chip MEM1 interface, one Controller Area Network (CAN), one Serial Peripheral Interface (SPI), two Inter-Integrated Circuit (I2C) buses, one Universal Serial Bus (USB) 2.0 full-speed device port, three general-purpose timer modules, four multi-function serial communication interfaces, one multi-function timer, one low-power timer, one real-time clock, eight general-purpose input/outputs, three shared analog-to-digital converters, one high-speed communication interface, a high-speed wake-up timer, and a smart card interface.

Working Principle

The MK12DX256VLK5 microcontroller is based on an Arm Cortex-M4 core operating at 120 MHz frequency. The core includes a Floating Point Unit (FPU) and close-loop pipeline architecture. The instruction set includes 35 single-cycle instructions, 9 16-bit multiply instructions, and 9 32-bit multiply instructions. It also includes single-cycle program flow control instructions, including branches and subroutines. The memory space of the MK12DX256VLK5 includes up to 256 kB program flash and 16 kB RAM. It contains up to 512 kB of non-volatile memory and up to 256 kB of on-chip program memory. Additionally, various on-chip peripherals allow the device to be interfaced with real-world sensors and other external devices such as LCDs, motors and indicators.

The MK12DX256VLK5 is an ultra-low power device that offers several energy-saving modes to reduce its energy consumption. It can be set to Run, Stop or Wait modes to save energy when it is not performing any operations. Additionally, the Sleep-Wakeup mechanism enables the microcontroller to enter a low-power mode when not performing any tasks. The MK12DX256VLK5 also has several features to improve the signal integrity such as program-memory protection, ROM checksums, and debugging features such as a hardware breakpoint and trace port.

Conclusion

The MK12DX256VLK5 is a low-cost, high-performance microcontroller device with a wide range of embedded applications. Its advanced features and integration ensures that it can be used reliably in any environment. It is suitable for applications such as medical equipment, automation, robotics, and telecommunication systems that require advanced computation with limited resources. The device has multiple peripheral interfaces and an interrupt controller that allow it to interface with external devices. The device also has energy-saving modes for reduction of power consumption, as well as signal integrity features for debugging and program development. As such, the MK12DX256VLK5 is an excellent option for designing embedded systems with limited resources budgets.

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