Beagleboard:BeagleBone Black Serial

Serial Port Settings
The default serial port settings for the board are:

Baud   115,200 Bits      8 Parity    N Stop Bits 1 Handshake None

Standard FTDI Cable
The debug cable is a standard FTDI to TTL cable. Make sure you get the 3.3V version. You can purchase this from several different sources including but not limited to:


 * DigiKey
 * |pcrid|19038771501|plid| Newark
 * Sparkfun
 * FTDI
 * Adafruit
 * Logic Supply



Pin 1 on the cable is the black wire and connects to pin 1 on the board, the pin with the white dot next to it.

Adafruit 4 Pin Cable (PL2303)
One is from *Adafruit. This is a Prolific chipset based cable. Some people have reported issues with the cable causing some issues with data corruption. You experience may vary. You will need to install the Prolific drivers. Those can be downloaded from Adafruit.



Board      Wire    Function Pin 1.....Black.....Ground Pin 4.....Green.....Receive Pin 5.....White....Transmit

'''NOTE: The naming of the signals reflect those of the cable. The swapping of TX and RX takes place on the board.'''

You will also find an extra RED wire on this cable. Just leave it unconnected.

FTDI 3 Pin Cable
You can purchase the another version direct from *FTDI This cable only has three wires for connection. You can find the datasheet and a picture at *Cable

Board    Wire       Function Pin 1.....Black......Ground Pin 4.....Yellow.....Receive Pin 5.....Orange.....Transmit

'''NOTE: The naming of the signals reflect those of the cable. The swapping of TX and RX takes place on the board.'''

Olimex 3 Pin Cable (PL2303)
A third version is sold by *Olimex

Board    Wire       Function Pin 1.....Blue......Ground Pin 4.....Green.....Transmit Pin 5.....Red.......Receive

Friction-fit, low-profile open hardware design

 * Tindie order page
 * Source