| Parameter |
Value |
| Max I/O Pins |
109 |
| Operating Voltage (Vcc) |
3.0-3.6 or (1.65-1.95+3.0-3.6) |
| PWM Channels |
13 |
| picoPower |
No |
| SSC |
1 |
| I/O Supply Class |
3.0-3.6 or (1.65-1.95+3.0-3.6) |
| NAND Interface |
No |
| Temp. Sensor |
No |
| FPU |
No |
| UART |
4 |
| Crypto Engine |
No |
| CPU |
32-bit AVR |
| Pin Count |
144 |
| Temp. Range (deg C) |
-40 to 85 |
| Timers |
10 |
| 32kHz RTC |
Yes |
| Max. Operating Frequency |
66 MHz |
| Video Decoder |
No |
| ADC channels |
8 |
| DRAM Memory |
sdram |
| DAC Channels |
2 |
| Calibrated RC Oscillator |
Yes |
| Output Compare channels |
16 |
| Hardware QTouch Acquisition |
No |
| Camera Interface |
No |
| Graphic LCD |
No |
| EEPROM (Bytes) |
0 |
| Flash (Kbytes) |
256 Kbytes |
| TWI (I2C) |
1 |
| MPU / MMU |
Yes / No |
| External Bus Interface |
1 |
| Input Capture Channels |
6 |
| Resistive Touch Screen |
No |
| DAC Resolution (bits) |
16 |
| SPI |
6 |
| Ext Interrupts |
109 |
| Self Program Memory |
YES |
| USB Speed |
Full Speed |
| ADC Resolution (bits) |
10 |
| # of Touch Channels |
32 |
| USB Interface |
Device + OTG |
| SRAM (Kbytes) |
64 |
| ADC Speed (ksps) |
384 |
| Ethernet |
1 |
| USB Transceiver |
1 |
The high-performance, low-power 32-bit AVR RISC-based microcontroller combines 256KB flash, 64KB SRAM, 10/100 ethernet MAC, full-speed (12 Mbps) USB 2.0 with embedded host capability, I2S, and a built-in audio D/A converter.
This device features SRAM/SDRAM external bus interface and achieves 91 Dhrystone MIPS (DMIPS) at 66MHz while consuming only 40mA at 3.3V.
The Peripheral Direct Memory Access (PDCA) controller transfers data between peripherals and memories without processor involvement, drastically reducing processing with continuous large data streams within the MCU.
The AT32UC3A0256AU is the Audio version of the AT32UC3A0256. It allows the execution of Atmel licensed Audio firmware IPs.
One version is available:
BuildingAutomation: 舒适性与控制
HomeEntertainment: 音频
MobileElectronics: 便携式音频播放器, 移动电话和移动互联网设备
PCPeripherals: 音频 I/O 设备
