| Parameter |
Value |
| Output Compare channels |
6 |
| Hardware QTouch Acquisition |
No |
| 32kHz RTC |
Yes |
| USB Speed |
Hi-Speed |
| EEPROM (Bytes) |
0 |
| MPU / MMU |
Yes / No |
| Calibrated RC Oscillator |
Yes |
| Resistive Touch Screen |
No |
| DAC Resolution (bits) |
0 |
| SPI |
6 |
| Timers |
6 |
| ADC Resolution (bits) |
10 |
| DRAM Memory |
No |
| USB Interface |
Device + OTG |
| SRAM (Kbytes) |
128 |
| USB Transceiver |
1 |
| Input Capture Channels |
6 |
| Self Program Memory |
YES |
| Operating Voltage (Vcc) |
3.0 to 3.6 |
| SD / eMMC |
2 |
| picoPower |
No |
| I/O Supply Class |
3.0 to 3.6 |
| Video Decoder |
No |
| NAND Interface |
Yes |
| Temp. Sensor |
No |
| FPU |
No |
| UART |
4 |
| Crypto Engine |
No |
| CPU |
32-bit AVR |
| Pin Count |
100 |
| Temp. Range (deg C) |
-40 to 85 |
| PWM Channels |
0 |
| Camera Interface |
No |
| Graphic LCD |
No |
| Max. Operating Frequency |
66 MHz |
| ADC channels |
8 |
| Flash (Kbytes) |
128 Kbytes |
| TWI (I2C) |
2 |
| DAC Channels |
0 |
| External Bus Interface |
0 |
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, 128KB on-chip SRAM with triple high speed interfaces,and multi-channel Peripheral and memory to memory DMA controller, the AT32UC3A4128 offers outstanding data throughput.
The device also features a Built-in Hi-Fi stereo Audio DAC, and a fullduplex multi-channel I2S audio interface.
256KB version: AT32UC4A4256
64KB version: AT32UC3A464
144-pin version: AT32UC3A3128
Crypto version: AT32UC3A4128S
BuildingAutomation: 消防与安全
HomeAppliances: 烹饪, 清洗, 制冷
IndustrialAutomation: 工业通信
