Difference between revisions of "JuiceBox Serial"

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* Vcc from any spot
 
* Vcc from any spot
 
* you will need a [[RS232 Level Shifter|level shifter]]] circuit with something like the MAX233A or [http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&productId=119873 MAX233] to convert to to rs232 signal levels.
 
* you will need a [[RS232 Level Shifter|level shifter]]] circuit with something like the MAX233A or [http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&productId=119873 MAX233] to convert to to rs232 signal levels.
* the serial console only appears to work when a [[JuiceBoxMMC]] cartridge has been inserted.
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* the serial console only appears to work when a [[JuiceBox MMC]] cartridge has been inserted.
 
[[Image:jbclose.jpg]]
 
[[Image:jbclose.jpg]]
  
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[[Category JuiceBox]]
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[[Category:JuiceBox]]

Latest revision as of 12:51, 24 September 2007

Hardware

This was taken from the Discussion Forum posted by greghol:

  • TXD0 on CPU pin-99
  • RXD0 on CPU pin-100
  • Ground from any spot
  • Vcc from any spot
  • you will need a level shifter] circuit with something like the MAX233A or MAX233 to convert to to rs232 signal levels.
  • the serial console only appears to work when a JuiceBox MMC cartridge has been inserted.

Jbclose.jpg


Close-up photos and alternate pads by octel:

Via locations near CPU: Media:jb_serial_02.png Pads on opposite side: Media:jb_serial_01.png

Software

Terminal Setup

Configure minicom/hyperterminal/other to use the following settings:

  • 115kbaud
  • 8 data bits
  • No parity
  • 1 stop bit
  • No hardware or software control