Support for the ATxmega-A3BU Xplained board. More...

Detailed Description

Support for the ATxmega-A3BU Xplained board.

The ATxmega-A3BU Xplained is a reference to develop with XMEGA's.

MCU	ATxmega256A3BU
Family	AVR/ATxmega
Vendor	Microchip (previously Atmel)
Flash	256KiB
RAM	16KiB
EEPROM	4KiB
Frequency	up to 32MHz
Timers	7 16bit (32 bit combining 2 x 16 bit)
ACs	4 Analog Comparators
ADCs	2 - 16 channels - 12 bit - 2msps
ADCs	1 - 2 channels - 12 bit - 1msps
UARTs	6 (can be used in SPI mode) with 1 IrDA
SPIs	2
I2Cs	2 (called TWI)
USB	1 port
DMA	4 Channels
Event System	8 Channels
Ext. INT	All GPIOs
Crypto	AES/DES, CRC-16, CRC-32
Vcc	1.6V - 3.6V
Datasheet	Datasheet
Xmega Manual	Manual
Guide	AVR1923 PDF
Schematic	AVR1923 ZIP

Flashing the Device

The ATxmega-A3BU Xplained needs an external programmer like atmelice.

In order to flash the ATxmega256A3BU, simple run:

make BOARD=atxmega-a3bu-xplained flash

This board needs a serial converter. The default STDIO is at J1 pins 2/3.

make BOARD=atxmega-a3bu-xplained term

Files
file	board.h
	Board specific definitions for the ATxmegaA3BU Xplained board.

file	gpio_params.h
	Configuration of SAUL mapped GPIO pins.

file	periph_conf.h
	Peripheral MCU configuration for the ATxmegaA3BU Xplained board.