[quote user="Neeraj mishra"]But when I am going for other UART it is available at PORT4 on pin 4 and 5. But PORT 4.4 and 4.5 is not available.[/quote] Yes it is. But not on the Boosterpack headers. In addition to 2.2.9 of the User's Guide , you should also read section 2.2.6. You will need to remove the RXD and TXD jumpers between the MSP430F5529 and the ezFET-Lite sections of the launchpad and connect your second device there with jumper wires.
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