Difference between revisions of "DASA programming cable"

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(→‎DASA)
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= Wiring Versions ==
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= Wiring Versions =
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As of January 2010, there are 3 recognized wirings.   
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As of January 2010, there are 3 recognized wirings, named DASA, DASA2, and DASA3.  None of the DASA cable configurations provide power to the microcontroller, so power must be provided externally.
 +
 
 
== DASA ==
 
== DASA ==
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* microcontroller RESET = serial cable RTS  
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When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa ".  This is the configuration used for most Fab Lab serial programming cables.
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* microcontroller SCK = serial cable DTR  
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* microcontroller RESET <--> serial port RTS  
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* microcontroller MOSI = serial cable TXD  
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* microcontroller SCK <--> serial port DTR  
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* microcontroller MISO = serial cable CTS
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* microcontroller MOSI <--> serial port TXD  
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* microcontroller GND = serial cable GND
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* microcontroller MISO <--> serial port CTS
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* microcontroller GND <--> serial port GND
  
 
== DASA2 ==
 
== DASA2 ==
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(RESET=!TXD SCK=RTS MOSI=DTR MISO=CTS)
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When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa2 "
 +
* microcontroller RESET <--> serial port !TXD   (the ! means that the signal must be inverted)
 +
* microcontroller SCK <--> serial port RTS  
 +
* microcontroller MOSI <--> serial port DTR  
 +
* microcontroller MISO <--> serial port CTS
 +
* microcontroller GND <--> serial port GND
  
 
== DASA3 ==
 
== DASA3 ==
−
(RESET=!DTR SCK=RTS MOSI=TXD MISO=CTS)
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When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa3 "
 +
* microcontroller RESET <--> serial port !DTR   (the ! means that the signal must be inverted)
 +
* microcontroller SCK <--> serial port RTS  
 +
* microcontroller MOSI <--> serial port TXD  
 +
* microcontroller MISO <--> serial port CTS
 +
* microcontroller GND <--> serial port GND

Revision as of 03:56, 21 January 2010

Wiring Versions

As of January 2010, there are 3 recognized wirings, named DASA, DASA2, and DASA3. None of the DASA cable configurations provide power to the microcontroller, so power must be provided externally.

DASA

When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa ". This is the configuration used for most Fab Lab serial programming cables.

  • microcontroller RESET <--> serial port RTS
  • microcontroller SCK <--> serial port DTR
  • microcontroller MOSI <--> serial port TXD
  • microcontroller MISO <--> serial port CTS
  • microcontroller GND <--> serial port GND

DASA2

When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa2 "

  • microcontroller RESET <--> serial port !TXD (the ! means that the signal must be inverted)
  • microcontroller SCK <--> serial port RTS
  • microcontroller MOSI <--> serial port DTR
  • microcontroller MISO <--> serial port CTS
  • microcontroller GND <--> serial port GND

DASA3

When using [uisp|UISP] or [avrdude], specify this cable with the flag " -dprog dasa3 "

  • microcontroller RESET <--> serial port !DTR (the ! means that the signal must be inverted)
  • microcontroller SCK <--> serial port RTS
  • microcontroller MOSI <--> serial port TXD
  • microcontroller MISO <--> serial port CTS
  • microcontroller GND <--> serial port GND
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