AN-000323
Document Number: AN-000323
Page 10 of 13
Revision: 1.2
4.3.
JUMPER SETTINGS
JUMPER
DESCRIPTION
J1
J1 is used for board power source selection. Only one jumper is allowed to be closed
1.
Pin 1/2: Closed – board power from external battery (CN7)
2.
Pin 3/4: Closed – board power from EDBG USB connector (J500)
3.
Pin 5/6: Closed – board power from FTDI USB connector (CN6)
4.
Pin 7/8: Closed – board power from SAM G55 USB connector (J301)
J2
J2 is used to assign SAM G55 master I
2
C to slave devices
1.
1/2 and 3/4: Closed – SAM G55 I
2
C master for onboard IMU Sensor
2.
5/6 and 7/8: Closed – SAM G55 I
2
C master for other sensors daughter boards connected via CN2
and CN3 (e.g., Magnetic sensor, etc.)
J3
J3 is used to choose UART0 for FTDI or the extension 1 headers (J200)
1.
Close all 4 jumpers (1/2, 3/4, 5/6 and 7/8) (Default) – SAM G55 UART0 for FTDI
2.
Open all 4 jumpers – SAM G55 UART0 for extension 1 header (J200)
J7
J7 is used for I
2
C or SPI selection for DB/EVB communication
1.
Short: SPI
2.
Open: I
2
C
Table 4. Jumper Settings
