nRF9160 DK v1.1.0

Virtual COM port

The interface MCU also features three Universal Asynchronous Receiver/Transmitter (UART) interfaces through three virtual COM ports.

The virtual COM ports are the following:

For details on routing VCOM0 and VCOM2, see nRF9160 DK board control.

The virtual COM ports have the following features:

The following table shows an overview of the General-Purpose Input/Output (GPIO)s used for the UART connections on nRF9160 and nRF52840:

Table 1. GPIOs used for virtual COM ports on nRF9160 and nRF52840
  nRF91 APP1 nRF91 APP2 nRF52840
TXD P0.29 P0.01 P0.03
RXD P0.28 P0.00 P0.05
CTS P0.26 P0.15 P0.07
RTS P0.27 P0.14 P1.08