4.2.4 UART Header

I/O1 Xplained Pro features a 2-pin header with access to the UART pins of the 20-pin extension connector. This two pin header comes with a jumper mounted to enable the UART to work in loopback mode. Both UART lines are terminated with 39Ω series resistors.

Table 4-5. UART Header
Pin on EXT connectorSilk screen marking
14TX
13RX