SAMD21 Documentation

Introduction

This documentation has been automatically generated, and documents the source code found in the Microchip Advanced Software Framework (ASF).

API

	AC - Analog Comparator (Polled APIs)
	ADC - Analog-to-Digital Converter (Callback APIs)
	AT30TSE75X Temperature Sensor
	AVR2025 - IEEE 802.15.4 MAC Stack v3.1.1
	AVR2025 - TAL
	AVR2025 - TFA
	AVR2025-MAC Serial Interface Module
	AVR2130 - LW MESH v1.2.1
	BLE-Event Manager
	BOD - Brown Out Detector
	CRC-32 calculation
	CRC32 - 32-bit cyclic redundancy check
	DAC - Digital-to-Analog Converter (Callback APIs)
	Debug Print (FreeRTOS)
	Delay routines
	DMAC - Direct Memory Access Controller
	EEPROM Emulator Service
	Ethernet Physical Transceiver (ksz8851snl)
	EVSYS - Event System
	EXTINT - External Interrupt (Callback APIs)
	FatFS file system
	Generic board support
	GFX Monochrome - Menu System
	GFX Monochrome - Monochrome Graphic Library
	GFX Monochrome - Spinner/Spin control widget
	GFX Monochrome - System Font
	I2S - Inter-IC Sound Controller (Callback APIs)
	Interrupt management - SAM implementation
	IOPORT - General purpose I/O service
	Memory Control Access Interface
	NVM - Non-Volatile Memory
	PAC - Peripheral Access Controller
	Performance Analyzer Application
	PORT - GPIO Pin Control
	QTouch Library for SAMD20/D21
	Read While Write EEPROM Emulator Service
	RTC - Real Time Counter in Calendar Mode (Callback APIs)
	RTC - Real Time Counter in Count Mode (Callback APIs)
	SAM D20/D21 implementation of AT25DFx SerialFlash with vectored master SPI
	SD/MMC stack on SPI interface
	SERCOM I2C - Master Mode I2C (Callback APIs)
	SERCOM SPI - Serial Peripheral Interface (Master Mode, Vectored I/O)
	SERCOM SPI - Serial Peripheral Interface (Polled APIs)
	SERCOM USART - Serial Communications (Polled APIs)
	Serial I/O - Host using UART
	Serial I/O - NCP Using UART
	Sleep manager - SAMD implementation
	Smart Card
	SSD1306 OLED controller
	Standard serial I/O (stdio)
	SYSTEM - Clock Management for SAMD21/R21/DA/HA
	SYSTEM - I/O Pin Multiplexer
	TC - Timer Counter (Callback APIs)
	TCC - Timer Counter for Control Applications (Polled APIs)
	Unit test framework - SAM0 implementation
	USART - Serial interface- SAM implementation for devices with only USART
	USB Composite Device
	USB Device CDC
	USB Device CDC Standard I/O (stdio)
	USB Device HID generic
	USB Device HID keyboard
	USB Device HID mouse
	USB Device HID multi-touch
	USB Device Mass Storage Class
	USB Device PHDC
	USB Device Vendor Class
	USB Host Android Accessory Class
	USB Host Communication Device Class
	USB Host HID mouse
	USB Host Mass Storage Class
	USB Host Multiple classes
	USB Host Vendor
	Virtual Memory in RAM
	WDT - Watchdog Timer (Callback APIs)
	WINC1500 (Wi-Fi) Host Driver v19.7.3 - SAMD21/SAMW25 implementation
	WINC3400 (Wi-Fi) Host Driver v1.2.0 - SAMD21 implementation

License

Unless otherwise noted, the applicable license is found here.

Contact Information

For further information, visit Microchip Support.