Sat

http://www.atmel.com/Images/Atmel-42348-SAM-D21L_Datasheet.pdf
ATSAMD21G18A-AU (-40 to 85)
http://www.mattairtech.com/images/MT-D21E/MT-D21E.png


(master module, 1)
-Bootloader-
i2c, slave  - master bootloader channel
reset       - system reset
-Runtime-
reset       - system reset
uart        - code channel
4 pins      - i2c address
i2c, master - data channel
i2c, master - status channel
i2c, master - bootloader channel
4 pins      - reset select (module select)
1 pin       - reset (slave or comm module system reset)
1 pin       - led


(comm module, 1)
-Bootloader-
i2c, slave  - bootloader channel
reset       - system reset
-Runtime-
reset       - system reset
uart        - code channel
uart        - up/down link
4 pins      - i2c address
i2c, slave  - data channel
i2c, slave  - status channel
i2c, master - master bootloader channel
1 pin       - master reset
1 pin       - led


(slave modules, 15)
-Bootloader-
i2c, slave  - bootloader channel
reset       - system reset
-Runtime-
reset       - system reset
4 pins      - i2c address
i2c, master - data channel
i2c, master - sensor channel
i2c, slave  - status channel
1 pin       - led


(i2c sensors)
14 temp (2 on each side, 2 internal)
2 3-axis gyroscope
2 3-axis accelerometer
2 magnetic field
2 3-axis hall effect
6 optical 4000K
6 optical ir
6 optical uv
2 gps
2 geiger counters