0
In Production
Part Family |
AVR A3/A4 Series |
CPU Type |
32-bit AVR MCU |
MaxSpeed (MHz) |
84 |
Program Memory Size (KB) |
256 |
SRAM (KB) |
128 |
Temp. Range Min. |
-40 |
Temp. Range Max. |
85 |
Operation Voltage Min.(V) |
3 |
Operation Voltage Max.(V) |
3.6 |
SPI |
6 |
I2C |
2 |
UART |
4 |
QSPI |
0 |
Crypto Engine |
No |
Internal Oscillator |
115Khz |
Pin Count |
100 |
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 AT32UC3A4256S offers outstanding data throughput.
The device also features a Built-in Hi-Fi stereo Audio DAC, and a full duplex multi-channel I2S audio interface.
The AT32UC3A4256S features an AES crypto module, capable of 128 to 256-bit AES encryption at speeds of up to 22.8 MBytes/s. Note that export restrictions apply to this variant.
128KB version: AT32UC3A4128S
64KB version: AT32UC3A464S
144-pin version: AT32UC3A4356S
Non Crypto version: AT32UC3A4256
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