Datasheets

Atmel AVR 32-bit Architecture Manual

Atmel AVR 32-bit Architecture Manual Complete
( file size: 5108318 , 377 pages , revision D , updated: 04/2011 )

AVR32UC Technical Reference

AVR32UC Technical Reference
( file size: 1129853 , 159 pages , revision F , updated: 03/2010 )

AVR32 UC3 USB DFU Bootloader

AVR32 UC3 USB DFU Bootloader Complete
( file size: 536724 , 31 pages , revision C , updated: 05/2009 )

AT32UC3A3/A4 Series

AT32UC3A3/A4 Series Complete
( file size: 15.2MB , 1021 pages , revision H , updated: 10/2012 )

AT32UC3A3/A4 Series

AT32UC3A3/A4 Series Summary
( file size: 1.6MB , 94 pages , revision H , updated: 10/2012 )

More Documents...

32-bit AVR microcontroller designed for exceptionally high data throughput with Hi-Speed USB OTG, SD/SDIO card and Multi-Level-Cell (MLC) NAND flash with ECC interfaces. Designed with the multi-layered 32-bit AVR databus, 128 KB on-chip SRAM with triple high speed interfaces,and multi-channel Peripheral and memory to memory DMA controller, the AT32UC3A4256 offers outstanding data throughput.

The device also features a Built-in Hi-Fi stereo Audio DAC, and a fullduplex multi-channel I2S audio interface.

128KB version: AT32UC3A4128
64KB version: AT32UC3A464

144-pin version: AT32UC3A3256
Crypto version: AT32UC3A4256S

Key Parameters

Parameter
Value

Flash (Kbytes):

256 Kbytes

Pin Count:

100

Max. Operating Freq. (MHz):

84 MHz

CPU:

32-bit AVR

Hardware QTouch Acquisition:

No

USB Transceiver:

1

USB Speed:

Hi-Speed

USB Interface:

Device + OTG

SPI:

6

TWI (I2C):

2