Overview
The MK22FN512CAP12R is a microcontroller from NXP USA Inc., part of the Kinetis K22 family. These microcontrollers are optimized for cost-sensitive applications that require low power, USB connectivity, and high processing efficiency. They are based on the Arm Cortex-M4 core and feature a floating-point unit (FPU) for enhanced performance.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 120 MHz Arm Cortex-M4 with FPU and DSP instructions |
| Flash Memory | 512 KB |
| RAM | 128 KB |
| USB | USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator |
| Voltage Range | 1.71 to 3.6 V |
| Temperature Range | -40 to 105°C |
| ADCs | Two 16-bit SAR ADCs (1.2 MS/s in 12-bit mode) |
| DACs | Two 12-bit DACs |
| Timers | Two 8-ch general purpose/PWM timers, two 2-ch general purpose timers with quadrature decoder functionality, periodic interrupt timers, 16-bit low-power timer |
| Communication Interfaces | USB full/low-speed On-the-Go controller, two SPI modules, I2S module, three UART modules, two I2C modules |
| GPIO | Up to 81 general-purpose I/O (GPIO) |
Key Features
- Low power consumption: Run power down to 156 µA/MHz, static power down to 3.8 µA, and lowest static mode down to 140 nA.
- High processing efficiency: 120 MHz Arm Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz.
- USB connectivity: USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator and USB FS device crystal-less functionality.
- Analog modules: Two 16-bit SAR ADCs, two 12-bit DACs, and two analog comparators.
- Security and integrity modules: Hardware CRC module, 128-bit unique identification (ID) number per chip, hardware random-number generator, and flash access control.
- Flexible low-power modes and multiple wake-up sources.
- 16-channel DMA controller and independent external and software watchdog monitor.
Applications
The MK22FN512CAP12R is suitable for a variety of cost-sensitive applications requiring low power and high processing efficiency. These include:
- Industrial automation and control systems.
- Consumer electronics such as smart home devices and appliances.
- Medical devices that require precise analog and digital processing.
- Automotive systems, particularly those needing low power and high reliability.
- IoT devices that require efficient power management and robust connectivity options.
Q & A
- What is the core frequency of the MK22FN512CAP12R?
The core frequency is 120 MHz. - How much flash and RAM does the MK22FN512CAP12R have?
It has 512 KB of flash memory and 128 KB of RAM. - What type of USB connectivity does the MK22FN512CAP12R support?
It supports USB LS/FS OTG 2.0 with embedded 3.3 V, 120 mA LDO voltage regulator. - What is the voltage range for the MK22FN512CAP12R?
The voltage range is from 1.71 to 3.6 V. - What are the temperature operating ranges for the MK22FN512CAP12R?
The temperature range is from -40 to 105°C. - Does the MK22FN512CAP12R have any analog-to-digital converters (ADCs)?
Yes, it has two 16-bit SAR ADCs. - What security features does the MK22FN512CAP12R include?
It includes a hardware CRC module, 128-bit unique identification (ID) number per chip, hardware random-number generator, and flash access control. - How many GPIO pins does the MK22FN512CAP12R have?
It has up to 81 general-purpose I/O (GPIO) pins. - What communication interfaces are available on the MK22FN512CAP12R?
It includes USB full/low-speed On-the-Go controller, two SPI modules, I2S module, three UART modules, and two I2C modules. - What are the power consumption characteristics of the MK22FN512CAP12R?
The run power consumption is down to 156 µA/MHz, static power consumption is down to 3.8 µA, and the lowest static mode is down to 140 nA.
