User Manual
Version 1.1
2011-07-15
deRFnode and deRFgateway
dresden elektronik
ingenieurtechnik gmbh
Enno-Heidebroek-Str. 12
12 7 Dr
n
rm  n
Tel.: +49 351 31 85 00
Fax: +49 351 3 18 50 10
wireless@dresden-elektronik.de
www. r
n- l k r nik.
Page 2 of 56
Table of contents
1.   Overview ......................................................................................................................... 6
2.   Application ....................................................................................................................... 6
3.   Features .......................................................................................................................... 6
3.1. Block diagram ......................................................................................................... 7
3.2. Hardware selection table ........................................................................................ 7
3.3. Feature list ............................................................................................................. 8
4.   Hardware selection examples ........................................................................................ 10
4.1. Battery powered nodes in a small wireless sensor network .................................. 10
4.2. 6LoWPAN tree-network application ...................................................................... 10
4.3. Point-to-Point connection for simple applications .................................................. 10
5.   Technical data ............................................................................................................... 11
5.1. Mechanical ........................................................................................................... 11
5.2. Operation conditions ............................................................................................. 11
5.3. Electrical ............................................................................................................... 11
5.3.1. Operational ranges.................................................................................... 11
5.3.2. Current consumption ................................................................................. 12
6.   Overview of platforms .................................................................................................... 14
7.   Pin assignment .............................................................................................................. 17
7.1. Radio module interface ......................................................................................... 17
7.2. Debug interface .................................................................................................... 20
7.3. JTAG for ARM ...................................................................................................... 21
7.4. JTAG for AVR ....................................................................................................... 22
7.5. User Interface ....................................................................................................... 22
7.6. Jumper configuration ............................................................................................ 24
8.   Board features ............................................................................................................... 25
8.1. Onboard sensors .................................................................................................. 26
8.1.1. Temperature sensor .................................................................................. 26
8.1.2. Ambient light sensor .................................................................................. 26
8.1.3. Acceleration sensor ................................................................................... 27
8.2. LEDs and buttons ................................................................................................. 27
8.2.1. User LEDs ................................................................................................ 27
8.2.2. User buttons.............................................................................................. 28
8.3. USB interface ....................................................................................................... 28
8.3.1. Native USB only for ARM based radio modules ........................................ 29
8.3.2. USB serial for AVR based radio modules .................................................. 29
8.4. Ethernet ................................................................................................................ 31
8.5. Power supply ........................................................................................................ 32
8.6. Supervisor ............................................................................................................ 34
8.7. Current measurement ........................................................................................... 36
8.8. USB supply voltage monitoring ............................................................................. 36
8.9. Battery supply voltage monitoring ......................................................................... 37