Manufacturer: Microchip    
Product category: 32-bit microcontrollers - MCUs    
Series: AT32UC3A3    
Installation style: SMD/SMT    
Package: LQFP-144    
Core: AVR    
Program memory size: 256 kB    
Data RAM size: 128 kB    
Data bus width: 32 bit    
ADC resolution: 10 bit    
Maximum clock frequency: 84 MHz    
Number of inputs/outputs: 110 I/O    
Supply voltage - min.: 3 V    
Supply voltage - max: 3.6 V    
Minimum operating temperature: -40 C    
Maximum operating temperature: + 85 C    
Analog supply voltage: 3.6 V        
DAC resolution: 16 bit    
Data Ram Type: SRAM    
Height: 1.6 mm    
I/O voltage: 3.6 V    
Interface types: 2-Wire, I2S, JTAG, SPI, USART    
Length: 20.1 mm    
Humidity Sensitivity: Yes    
Number of ADC Channels: 8 Channels    
Number of Timers/Counters: 6 Timer    
Processor Family: AT32UC3A3    
Products: MCUs    
Product Type: 32-bit Microcontrollers - MCU    
Program memory type: Flash