Atmel Corporation SAM3N4B # Of Touch Channels: 32 32khz Rtc: Yes Adc Channels: 10 Adc Resolution (bits): 10 Adc Speed (ksps): 384 Calibrated Rc Oscillator: Yes Camera Interface: No Cpu: Cortex-M3 Crypto Engine: No Dac Channels: 1 Dac Resolution (bits): 10 Dram Memory: No Ext Interrupts: 79 Flash (kbytes): 256 Kbytes Fpu: No Graphic Lcd: No Hardware Qtouch Acquisition: No I/o Supply Class: 1.8/3.3 Input Capture Channels: 3 Max I/o Pins: 79 Max. Operating Frequency: 48 MHz Mpu / Mmu: no / no Nand Interface: No Operating Voltage (vcc): 1.62 to 3.6 Output Compare Channels: 6 Picopower: No Pin Count: 64 Pwm Channels: 4 Quadrature Decoder Channels: 2 Resistive Touch Screen: No Self Program Memory: YES Spi: 3 Sram (kbytes): 24 Ssc: 1 Temp. Range (deg C): -40 to 85 Temp. Sensor: No Timers: 6 Twi (i2c): 2 Uart: 4 Usb Interface: No Usb Speed: No Video Decoder: No