3.17 UART Header (J14 and J15)

The on-board UART can be selected using the UART headers:

  • UART RX Header: J14

  • UART TX Header: J15

Table 3-10. UART Header Pin Configuration
ApplicationHeader Pins
Bluetooth® Low EnergyPin 1 and Pin 2
Wi-Fi®Pin 2 and Pin 3
Note:
  • The default UART header configuration is set for Bluetooth® Low Energy (jumpers on pin 1 and pin 2).
  • Bluetooth® Low Energy Baud Rate: 115200
  • Wi-Fi® Baud Rate: 230400
Figure 3-10. UART RX Header (J14)
Figure 3-11. UART TX Header (J15)