doc8331_ XMEGA_AU_Manual.pdf

doc8331_ XMEGA_AU_Manual.pdf - 8-bit Atmel XMEGA AU...

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8331F–AVR–04/2013 This document contains complete and detailed description of all modules included in the Atmel ® AVR ® XMEGA ® AU microcontroller family. The Atmel AVR XMEGA AU is a family of low-power, high-performance, and peripheral-rich CMOS 8/16-bit microcontrollers based on the AVR enhanced RISC architecture. The available Atmel AVR XMEGA AU modules described in this manual are: Atmel AVR CPU Memories DMAC - Direct memory access controller Event system System clock and clock options Power management and sleep modes System control and reset Battery backup system WDT - Watchdog timer Interrupts and programmable multilevel interrupt controller PORT - I/O ports TC - 16-bit timer/counters AWeX - Advanced waveform extension Hi-Res - High resolution extension RTC - Real-time counter RTC32 - 32-bit real-time counter USB - Universal serial bus interface TWI - Two-wire serial interface SPI - Serial peripheral interface USART - Universal synchronous and asynchronous serial receiver and transmitter IRCOM - Infrared communication module AES and DES cryptographic engine CRC - Cyclic redundancy check EBI - External bus interface ADC - Analog-to-digital converter DAC - Digital-to-analog converter AC - Analog comparator IEEE 1149.1 JTAG interface PDI - Program and debug interface Memory programming Peripheral address map Register summary Interrupt vector summary Instruction set summary 8-bit Atmel XMEGA AU Microcontroller XMEGA AU MANUAL
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2 XMEGA AU [MANUAL] 8331F–AVR–04/2013 1. About the Manual This document contains in-depth documentation of all peripherals and modules available for the Atmel AVR XMEGA AU microcontroller family. All features are documented on a functional level and described in a general sense. All peripherals and modules described in this manual may not be present in all Atmel AVR XMEGA AU devices. For all device-specific information such as characterization data, memory sizes, modules, peripherals available and their absolute memory addresses, refer to the device datasheets. When several instances of a peripheral exists in one device, each instance will have a unique name. For example each port module (PORT) have unique name, such as PORTA, PORTB, etc. Register and bit names are unique within one module instance. For more details on applied use and code examples for peripherals and modules, refer to the Atmel AVR XMEGA specific application notes available from . 1.1 Reading the Manual The main sections describe the various modules and peripherals. Each section contains a short feature list and overview describing the module. The remaining section describes the features and functions in more detail.
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