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參數(shù)資料
型號： 30770
廠商： Dresden Elektronik
文件頁數(shù)： 28/74頁
文件大小： 2001K
描述： SET DERFNODE FOR AVR HOUSING
標準包裝： 1
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 28 of 56
 
8.2.2. User buttons
The active-low buttons could be used for user defined inputs. The button [SW1] is controlled
by two different pins, which are connected by assembling the 0 ohms resistor [R68] or [R69].
The placement depends on the platform and is the result of the support of different radio
modules. The concerning pin of button 1 is used by the ARM based dresden elektronik radio
module to support the ethernet interface. The pin of button 2 can only be used, if the interrupt
feature of the acceleration sensor BMA150 is disabled.
 
Button 1 [SW1] on deRFnode:
Pin 20
Button 1 [SW1] on deRFgateway:   Pin 14
Button 2 [SW2]:
 
 
Pin 29 by setting jumper [JP1] to pin 1 and 2.
 
 
Figure 17: User buttons
 
 
8.3.    USB interface
Regarding the USB interface, the platforms deRFnode and deRFgateway come in two differ-
ent flavours. The deRFgateway USB interface can only be accessed over native USB of the
ARM based dresden elektronik radio modules. The deRFnode platform is offered in two vari-
ants. One with native USB for deRFarm7 radio module and another variant with an USB se-
rial converter for deRFmega128 radio modules.
 
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