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Difference between revisions of "LeapFrog Pollux Platform: Hardwire Serial Connection"

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Line 15: Line 15:
  
 
[[File:didj-uart.jpg]]
 
[[File:didj-uart.jpg]]
 +
* Green UART-TX
 +
* Grey UART-RX
 +
* Black GROUND
 +
* Red +3.3V
 +
 +
The +3.3V isn't needed for all Uart connections, however some of the USB->RS-232 breakout boards may require a +3.3V reference voltage.

Revision as of 21:29, 9 February 2010

The serial console (115200 8N1) comes out to the cartridge connector.

  • Counting from the right
    • tx comes out on pin 12
    • rx on pin 11.

The UART is using +3.3V TTL level which means you will need a RS232_Level_Shifter or use one of the following usb->rs232 breakout boards:

Picture from Claude Schwarz’s BLOG
Didj-cart-pinout.jpg


Didj-uart.jpg

  • Green UART-TX
  • Grey UART-RX
  • Black GROUND
  • Red +3.3V

The +3.3V isn't needed for all Uart connections, however some of the USB->RS-232 breakout boards may require a +3.3V reference voltage.