3 analog to digital input at 12-bit resolution 1 digital to analog output at 12-bit resolution 15 general purpose digital inputs/outputs 1 I2C FM+ (1 Mbit/s) (used as the BrainStem bus) 1 I2C FM (400 kbit/s) User, link, power and heartbeat LEDs 1 TCP/IP Ethernet port (100 Mbit/s) uSD slot for additional storage Bridge from Ethernet to I2C bus transactions Realtime clock Bulk capture mode for analog inputs 6V to 12V DC input power 3.3V input/output voltage All input/outputs protected upto 12V input 0 to 70˚C ambient operating temperature