SAM D21 MCU Peripherals

The Microchip SAM D21 device has the following peripherals:

• Analog-to-Digital Converter (ADC): This peripheral allows the device to convert analog signals into digital signals for processing.
• Digital-to-Analog Converter (DAC): This peripheral allows the device to convert digital signals into analog signals for output.
• Serial Communication Interfaces (SERCOM): This peripheral allows the device to communicate with other devices using various serial communication protocols such as I2C, SPI, and UART.
• Universal Serial Bus (USB): This peripheral allows the device to communicate with a computer or other USB-enabled device.
• Timer/Counters (TC): This peripheral allows the device to measure time intervals and generate periodic signals.
• Pulse Width Modulation (PWM): This peripheral allows the device to generate analog signals by varying the duty cycle of a digital signal.
• Event System: This peripheral allows the device to trigger actions based on events occurring in other parts of the system.
• Direct Memory Access (DMA): This peripheral allows the device to transfer data between memory and peripherals without using the CPU.
• Peripheral Touch Controller (PTC): This peripheral allows the device to detect touch inputs on capacitive touch sensors.
• Real-Time Counter (RTC): This peripheral allows the device to keep track of time even when the device is in a low-power state.
• External Interrupt Controller (EIC): This peripheral allows the device to respond to external events by interrupting the CPU.
• Watchdog Timer (WDT): This peripheral allows the device to reset itself if it becomes unresponsive or enters an unexpected state.
• System Control and Reset (SYSCTRL): This peripheral allows the device to control various system-level functions such as power management and clock configuration.
• Clock Control (GCLK): This peripheral allows the device to generate and control various clock signals used by other peripherals.

In summary, the Microchip SAM D21 device has a wide array of peripherals that enable it to perform a variety of functions. These peripherals include analog and digital signal processing, communication interfaces, timers and counters, touch sensing, power management, and more. The device is highly configurable and can be customized to meet the specific needs of a wide range of applications. Overall, the peripherals on the Microchip SAM D21 device make it a versatile and powerful microcontroller for a variety of embedded systems.

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