 FLASHCALW - FLASH Controller Double-Word | See Quickstart guide for SAM FLASHCALW driver |
| Serial Peripheral Interface (SPI) | See Quickstart guide for SAM SPI driver |
| Universal Synchronous Asynchronous | Receiver Transmitter (USART) |
 Standard I/O (stdio) | Common standard I/O driver that implements the stdio read and write functions on AVR and SAM devices |
  Standard serial I/O (stdio) | Common standard serial I/O management driver that implements a stdio serial interface on AVR and SAM devices |
| NVM service | See Quick Start quide for common NVM driver |
| Compiler abstraction layer and code utilities | Compiler abstraction layer and code utilities for AT91SAM |
| Preprocessor - Macro Repeat | |
| Preprocessor - Stringize | |
| Preprocessor - Token Paste | |
| Global interrupt management | This is a driver for global enabling and disabling of interrupts |
| Deprecated interrupt definitions | |
| Atmel part identification macros | This collection of macros identify which series and families that the various Atmel parts belong to |
| AVR UC3 parts | |
| AVR XMEGA parts | |
| megaAVR parts | |
| SAM parts | |
| RF4Control v2.0.1 | The RF4Control stack is a ZigBeeRF4CE Certified Platform implementing the ZigBee RF4CE standard |
| MAC User Build Configurations | All Build configuration Macros are defined in this module |
| NWK layer configurations | All nwk layer configuration Macros are defined in this module |
| NWK Modules | This module defines all Nwk layer core apis |
| NWK APIs | This module defines all Nwk layer core apis |
| NWK Generic APIs | This module defines all generic apis used by nwk layer |
| NWK Constants | This module defines all Nwk layer constants |
 ZRC Modules | This module defines all ZRC layer core apis |
 Push button pairing APIs. | This module defines all the Push button pairing APIs |
| ZRC APIs | This module defines all the ZRC core APIs |
| NWK Generic APIs | This module defines all generic apis used by nwk layer |
| ZRC Constants | This module defines all the Constatnts used by zrc layer |
| Common WL Definitions | All General Definitions used by the Wireless Stack applications are defined in this module |
| IEEE Constants | Includes IEEE Constant Definitions |
| Return Values | All return Value Enumerations are defined in this module |
| Common Stack Definitions | Includes Stack Definitions |
| PAL | This module acts as a wrapper layer between the Wireless stack and the ASF drivers All hardwar level acess to the ASF drivers from the stack happens through this module |
| Common SW Timer | Implements the software Algorithm for Timer Handling in the Stack |
| Group_pal_common_hw_timer | Implements a common api interface for accessing timer drivers of all architectures |
| SAM3/4S/4L/4E/4N/4CM/4C/G Timer Counter (TC) Driver | This driver for Atmel® | SMART ARM®-based microcontrollers provides an interface for the configuration and management of the device's Timer Counter functionality |
| Clock Management | |
| DFLL Management | A Digital Frequency Locked Loop can be used to generate a highly accurate frequency from a slower-running reference clock, in much the same way as a PLL |
| Generic Clock Management | Generic clocks are configurable clocks which run outside the system clock domain |
| Oscillator Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip oscillators |
| PLL Management | This group contains functions and definitions related to configuring and enabling/disabling on-chip PLLs |
| System Clock Management | See Quick Start Guide for the System Clock Management service (SAM4L) |
| System Clock internals | |
| BPM - Backup Power Manager | Driver for the BPM (Backup Power Manager) |
| Group_trx_access | This module includes api's and defenitions required for Devices with externally plugged transceivers(Non Soc's) |
| Busy-Wait Delay Routines | This module provides simple loop-based delay routines for those applications requiring a brief wait during execution |
| Serial Peripheral Interface (SPI) | This is the common API for SPI interface |
| Common IOPORT API | See Quick start guide for the common IOPORT service |
| SAM4L General-Purpose Input/Output (GPIO) Driver | This driver for Atmel® | SMART ARM®-based microcontrollers provides an interface for the configuration and management of the on-chip General-Purpose Input/Output (GPIO) controller with both interrupt and event support |
| Transceiver Abstraction Layer | The Transceiver Abstraction Layer (TAL) implements the transceiver specific functionalities and provides interfaces to the upper layers (like IEEE 802.15.4 MAC )and uses the services of PAL |
| AT86RF212B Transceiver Abstraction Layer | The AT86RF212B is a low-power ,low voltage 700/800/900 MHz radio transceiver designed for industrial and consumer ZigBee/IEEE 802.15.4, 6LoWPAN, RF4CE and high data rate sub 1GHz ISM band applications |
| TAL State Machine | The different operating states of the Transceiver are controlled by the TAL state machine |
| TAL Initialization and reset | Performs initialization and reset functionalities of the transceiver |
| TAL Energy Detection | Performs the ED scan functionalities |
| Transceiver Interrupt Handling | Handles Transceiver related Interrupts |
| TAL PIB Storage | The PIB(Pan Information Base) attributes related to the TAL are Stored and handled by the TAL PIB storage |
| TAL Frame Transmission Unit | The Frame Transmission Unit generates and transmits the frames using PAL |
| TAL Frame Reception Unit | The Frame Reception Unit reads/uploads the incoming frames |
| Resource Management | The Resource Management provides access to resources to the stack or the application |
| Buffer Management | Buffer Management (large and small buffers): provides services for dynamically allocating and freeing memory buffers |
| Queue Management | Queue Management: provides services for creating and maintaining the queues |
| IEEE 802.15.4 MAC v3.1.1 | The IEEE standard 802.15.4 MAC Layer defines the protocol and compatible interconnection for data communication devices using low data rate, low power and low complexity, short-range radio frequency (RF) transmissions in a wireless personal area network (WPAN) |
| MAC Core Layer(MCL) | The MAC Core Layer (MCL) abstracts and implements IEEE 802.15.4-2006 compliant behavior for non-beacon enabled and beacon-enabled network support |
| MAC Build Configurations | Defines MAC Build Configuration Used |
| MAC Data Structures | This module defines all the MAC Data Structures |
| MAC Core Layer(MCL) | The MAC Core Layer (MCL) abstracts and implements IEEE 802.15.4-2006 compliant behavior for non-beacon enabled and beacon-enabled network support |
| MAC Definitions | All Definitions used by the MAC Layer is described here |
 MAC Data Structures | This module defines all the MAC Data Structures |
| MAC Definitions | All Definitions used by the MAC Layer is described here |
| MAC Data Structures | This module defines all the MAC Data Structures |
| MAC Core Layer(MCL) | The MAC Core Layer (MCL) abstracts and implements IEEE 802.15.4-2006 compliant behavior for non-beacon enabled and beacon-enabled network support |
| MAC Definitions | All Definitions used by the MAC Layer is described here |
| MAC Prototypes | All MAC Prototypes are described in this module |
| MCL API's | This module describes all Mac Core Layer(MCL) API's |
| MCL Request API's | This module describes all MCL Request API's |
| MCL General API's | This module describes all MCL General API's |
| MCL Confirmation API's | This module describes all MCL Confirmation API's |
| MCL Indication API's | This module describes all MCL Indication API's |
| MCL Response API's | This module describes all MCL Response API's |
| MAC Callback's | This module describes all MAC Callback's |
| MAC Confirmation Callback's | This module describes all MAC Confirmation Callback's |
| MAC Indication Callback' | This module describes all MAC Indication Callback's |
| Security toolbox | The STB (Security Toolbox) is a high level security abstraction layer providing an easy- to-use crypto API for direct application access.It is placed on top of the SAL and abstracts and implements transceiver or MCU dependent functionality that encrypts or decrypts frames usimg CCM according to 802.15.4/Zigbee |
| Group_sal | SAL Security abstraction layer The SAL (Security Abstraction Layer) provides an API that allows access to low level AES engine functions abstraction to encrypt and decrypt frames |
| SIO2HOST - UART | This module performs serial input/output functionalities via UART |
| Serial Interface (Serial) | See Quick start guide for Serial Interface service |
| Universal Synchronous Asynchronous Receiver | Transmitter (USART) |
| Transceiver Feature Access | The Atmel transceivers provide a variety of additional hardware features features that are not reflected in the IEEE 802.15.4 standard |
| WDT_SAM4L - SAM4L Watchdog Timer | Driver for the WDT (Watchdog Timer) |
| Generic board support | The generic board support module includes board-specific definitions and function prototypes, such as the board initialization function |
| SAM4L Xplained Pro board | |
| Configuration | Symbols to use for configuring the board and its initialization |
| Features | Symbols that describe features and capabilities of the board |
| Group_tal_pib | |
| Group_rf4control_ds | |
| Group_tal_tx_212b | |
| TAL CSMA/CA Module | Performs channel access mechanism for frame transmission For Detailed information refer CSMA-CA algorithm section of IEEE Std 802.15.4-2006 |
1.8.5