Difference between revisions of "LeapFrog Pollux Platform: Hardwire Serial Connection"
From eLinux.org
| 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
- 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.
