The SAM4S embeds an extensive peripheral set for connectivity such as one Full Speed USB Device, four USART, three SPI, two I2C, and a SD card at up to 25Mbyte/s. Additionally the analog part will integrate a 12 bit ADC, up to 16 channels, with a sampling rate of 1 Msps and a 12 bit DAC, up to 2 channels, with a sampling of 1 Msps.