2.1.3 UART Signals
The CC35xxE includes two independent UART peripherals, UART0 and UART1. The LP-EM-CC35X1 allows
you to interface to these UART signals via the LaunchPad header pins.
UART1 interface is by default connected to the 20-pin LP-XDS110 header (J7) for serial terminal interface (COM
port) to a PC via the LP-XDS110. For more information on this header, see Section 2.1.1.
The routing selection of the UART1 TX and RX signals to header J7 or to the LaunchPad header pins is
performed using onboard jumpers, J4 and J6, as seen in the figures below.
Figure 2-6. UART1 Routed to LP-XDS110
Figure 2-7. UART1 Routed To The LaunchPad Headers
Note
To allow the UART1 signals to route to the designated LaunchPad header pins, 0 ohm resistors can
be placed. See Section 2.1.10.
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8 CC35xxE LaunchPad™ Development Kit for SimpleLink™ Wi-Fi 6 and
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